KR20100028683A - System for analyzing patent trend using technology classification according to keyword - Google Patents

Abstract

PURPOSE: A patent trend analysis system using keyword technology classification is provided to combine patent searching, technology classification, and patent trend analysis in order to produce efficient patent trend analysis result. CONSTITUTION: A project management unit(110) offers a patent trend analysis project list and a new patent trend analysis project start menu. A technology classification unit(120) offers a technology classification tree to a user terminal. The technology classification unit receives a keyword according to detailed technology classification. A search unit(130) performs search through a patent database. A trend analysis unit(140) performs patent trend analysis.

Description

System for analyzing patent trend using technology classification according to keyword}

The present invention relates to a patent trend analysis system using keyword technology classification, and more specifically, it is possible to calculate an efficient patent trend analysis result by combining organically a patent search and technology classification and patent trend analysis, and to easily perform the result correction. The present invention relates to a patent trend analysis system using a keyword technology classification that can provide an interface for conveniently and accurately performing a patent technology classification work by a user.

In the conventional patent trend analysis system, a patent trend analysis method that does not focus on technical classification by a user is used. That is, a method of performing patent trend analysis by automatically classifying a technology by IPC classification or the like without using a technical classification of patent data by a user is used. When a user's selection is involved in the technology classification, several main words are selected in advance. Use

The technology classification method of the conventional patent trend analysis system has a problem in relation to patent search and accuracy of the technology classification itself, and in particular, there is a disadvantage in that it cannot accommodate the diversity of technology classification according to the analysis purpose.

The patent trend analysis system that supports some automatic technical classification simply extracts keywords from the entire patent document by text mining technique and uses technical classification according to the frequency of the keywords. There is a problem falling.

The method that allows the user to select the main word after the technical classification is to classify the patent literature according to the frequency of the main word, and the accuracy of the technical classification is low and the conceptual word is derived from the technical common sense of the analyst. It cannot be ignored that a difference with a term used in a patent document occurs. In particular, even though the synonym database is used to supplement this, a large technical term database must be inevitably provided. In this case, there is a problem that the response to the new technical term is delayed.

The present invention devised to solve the problems of the prior art as described above provides a patent trend analysis system using a keyword technology classification that can effectively perform the technical classification of patent documents by performing a reliable technology classification method of the present invention. There is a purpose.

The above object of the present invention, in the system for analyzing patent trends through the search of patent documents, to provide a list of patent trend analysis project performed by user and a new patent trend analysis project start menu to the user terminal, technology classification unit, A project management unit for controlling a search unit and a trend analysis unit, and storing the output values of the technology classification unit, the search unit, the trend analysis unit, and the input values from the user terminal at each execution stage of the patent trend analysis project; A technical classification database for storing a common search expression for each technical classification and keywords derived from patent documents by the common search expression, and providing a technical classification tree stored in the technical classification database to the user terminal, and from the user terminal. A technical classification unit for receiving a keyword or individual search input according to the technical subdivision; A search unit for performing a search through a patent database using the common search expression and the individual search expression; And a trend analysis unit for receiving the technical classification from the technical classification unit and receiving the search result data from the search unit to perform patent trend analysis based on the received data. Is achieved by

In addition, another object of the present invention is a method for analyzing a patent trend through the search of a patent document, the patent trend analysis system for receiving a selection of a new patent trend analysis project start menu of the project start mode provided to the user terminal Stage 1; A second step of providing an interface for technology classification to the user terminal; Upon receiving the technical classification selection of the target technology of the patent trend analysis from the user terminal, the common search expression corresponding to the technical classification selection result and the keywords derived from the patent documents by the common search expression are selected and provided to the user terminal. Receiving a keyword input corresponding to each technical subcategory item from a user terminal; A fourth step of preparing an individual search expression for each technical sub-classification using the keyword received from the user terminal; And it is achieved by the patent trend analysis method using the keyword technology classification comprising a fifth step of searching for patent documents using the created search formula, and analyzing patent trends based on the retrieved patent document data.

Accordingly, the patent trend analysis system using the keyword technology classification of the present invention has an effect of effectively performing the technology classification of the patent document by performing a reliable technology classification method.

The terms or words used in this specification and claims are not to be construed as being limited to their ordinary or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best describe their invention. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a patent trend analysis system using the keyword technology classification according to the present invention.

Patent trend analysis system 100 using the keyword technology classification according to the present invention is composed of a project management unit 110, technology classification unit 120, search unit 130 and trend analysis unit 140. The technology classification unit 120, the search unit 130, and the trend analysis unit 140 are operated by the control of the project management unit 110. Each component may be a separate device, but may be configured to perform the functions of two or more components by the integrated server.

In addition, the patent trend analysis system 100 using the keyword technology classification according to the present invention further comprises a user authentication unit (not shown), the user uses the user terminal 200, the keyword technology classification via the Internet or intranet, etc. In the case of accessing the patent trend analysis system 100 using the user, it is preferable to connect through authentication of the user authentication unit.

The project management unit 110 supports a project initiation mode for providing the user terminal 200 with a list of patent trend analysis projects performed by the user and a new patent trend analysis project start menu, and the user selects a new patent trend analysis project menu. When the technical classification unit 120 to support the technical classification. At this time, if it includes a plurality of different technology classification method at the same time outputs the selection screen of the technology classification method, when the user selects the technology classification unit 120 according to the present invention, the technical classification unit 120 in the project management unit 110 Let's get started.

 The project management unit 110 controls each component and at the same time outputs such as patent lists, detailed analysis result values, and graphs output by each component, and values input by the user through the user terminal 200 (search expressions, keywords, various types). Save selections, comments, etc.) in stages of the project.

The technical classification unit 120 according to the present invention includes its own technical classification database, and provides a technical classification up to a certain depth, and does not provide a detailed technical classification itself. Preferably, technical classifications up to large, medium, and small (Depth 3) are provided. Instead, each subclass includes a corresponding common search expression and keywords of existing patent documents derived by the common search expression. In addition, the keyword is separately stored in the patent document extracted from a specific range, such as the purpose, configuration, effect, summary, claims, detailed description, and the like. In addition, the keyword does not include keywords that are commonly included in the literature of less than 5% ~ 10%, 50% ~ 70% of the patent literature in the technical classification, and in the case of a simple description words that are not technical terms used in the technical classification Exclude as.

These keywords are stored in the technical classification database of the technical classification unit 120, and if the user selects the technical classification, the keyword is preferably configured to be updated. On the other hand, it may be configured to extract and select keywords according to the above-described rules when selecting the corresponding technical classification without storing the keywords separately.

The technical classification unit 120 outputs the technical classification tree of the technical classification database to the user terminal 200, and outputs the stored keywords to a part of the screen when the user selects the small classification. In this case, it is preferable that the keyword is output separately from the extracted range (purpose, claims).

In addition, the technology classification unit 120 may provide a detailed classification generation screen to the user terminal 200 to allow a user to directly generate a tree structure of the detailed classification items. The user may rearrange or select the keywords output in the keyword field and directly select and arrange keywords to be included in the sub-category of the sub-category generation screen. Accordingly, since the user can freely use the keywords of the target keyword, the detailed description keyword, and the claims keyword field according to the purpose of patent analysis, the technology classification method used in the present invention provides accuracy and convenience with the degree of freedom of technical classification. You can increase it at the same time. In addition, when multiple keywords are placed in one sub-classification, it is preferable to show correlations (OR, AND, etc.) of each keyword.

The title of the subcategory item can be entered by the user. By default, the user first selects the keyword selected in the subcategory as the title. In addition, the technology classification unit 120 may include a synonym module having a thesaurus database, thereby providing a synonym menu next to a keyword selection box. If the user selects a thesaurus menu after selecting a keyword in the keyword field, the relevant thesaurus dictionary window is output to the user terminal 200 separately, and the user can select the related thesaurus and add it to the keyword field of the detailed classification through the thesaurus dictionary window. Can be.

When the technical classification is completed and the user selects the next step transition menu, the technical classification unit 120 creates an individual search expression according to the technical sub-classification and keywords of each sub-classification, and sets the created individual search expressions in common to the pre-stored sub-classification. Transfer to the project management unit 110 with the search expression. The project manager 110 stores the received technical classification and search expressions and transmits the same to the searcher 130.

The search unit 130 may include its own patent database or may be connected to an external patent database server. The search unit 130 first calculates a list of patent documents searched by a common search formula, and classifies patent documents by subdivision by an individual search formula in the patent document list.

If there is a patent document belonging to two or more subdivisions by an individual search expression, it is necessary to remove the duplication. In order to remove such duplicate patents, the search unit 130 of the present invention provides a filtering screen to a user or automatically processes them to belong to one category according to the frequency (similarity) of each search word. When the duplicated patent is removed from the filtering screen, the user may select a range of patent documents, that is, a claim, a purpose, an effect, a summary, etc., to count the priority of each category or keyword, or the frequency of the keyword or keyword.

The search unit 130 sequentially searches the patent database according to the received search expressions, and transmits the result value to the project management unit 110. The project management unit 110 displays the technology classification and search result screens by technology classification. It transmits to the user terminal 200. The search result screen includes the total number of searches and the number of searches by category, and the patent list by category can be output together.

Before and after the search result screen, the filtering screen by the search unit 130 may be provided to the user terminal 200. The filtering screen is provided with input fields such as IPC restriction or exclusion, exclusion keyword or non-exclusion keyword, selection of registered documents and public documents, for the entire search result or for each technical classification. This filtering screen may be repeated until the user desires.

By classification keyword search, patents included in two or more of the subclasses may be generated. In order to remove such duplicate patents, the search unit 130 processes them to belong to only one category according to the filtering screen or automatically the frequency (similarity) of each search word. When the duplicate patent is removed from the filtering screen, the user may select a range of patent documents, that is, a claim, a purpose, an effect, a summary, and the like, to count the priority of each category or keyword and the frequency of the keyword or keyword.

When the search and filtering is completed in the search unit 130 and the user selects a trend analysis start menu on the terminal screen, the project management unit 110 transmits the technology classification and search results to the trend analysis unit 140, and the trend analysis unit ( 140) sequentially analyzes trends by applicant, country, year, technology classification and major patents according to the received data. Graphs and results can be provided sequentially by analysis type or at a time. However, in order to fine-tune the graph and input the analysis result comment, it is desirable to output the results sequentially for the detailed analysis.

On the other hand, the patent trend analysis system 100 using the keyword technology classification according to the present invention further includes a report creation module, it is possible to automatically create a report by the analysis results stored in the project management unit 110 and the description entered by the user. have.

During the patent trend analysis, the project management unit 110 provides an analysis flowchart to a portion of the screen of the user terminal 200 so that the user can select any one of the previous screens. Therefore, the patent trend analysis system 100 according to the present invention may select an intermediate step of an analysis flowchart for a project in which an analysis is completed or a project in which an analysis is in progress. 110 outputs a corresponding result value, a graph, and the like, and outputs a stored user input value if the step selected by the user is a user input step. If the user input value is modified in the corresponding output screen and the menu for proceeding to the next step is selected, the result of the classification, search or analysis is reflected on the result value based on the input value modified by the user.

2 is a flowchart illustrating a patent trend analysis method using keyword technology classification according to the present invention.

Referring to FIG. 2, when a new patent trend analysis project start menu is selected among the project start modes provided to the user terminal 200 from the patent trend analysis system according to the present invention (S210), an interface for technology classification is provided to the user terminal 200. The technical classification is performed by providing (S220). For a detailed process of performing the technical classification, refer to the contents of the technical classification unit of the detailed description according to FIG. 1.

When the user classifies the target technology of patent trend analysis into large, medium, and small categories using the technology classification interface, a common search expression corresponding to the classified subclass and a keyword derived from existing patent documents are selected by the common search expression ( S230). The keywords derived by the common search formula corresponding to the sub-classification are provided to the user terminal, and the user can select and arrange keywords corresponding to each sub-category item on the sub-category generation screen of the technical classification interface with reference to the selected keyword. have. In this case, when multiple keywords are placed in one sub-category, it is desirable to make the association of each keyword appear.

According to an embodiment of the present invention, by providing a synonym menu on a technology classification interface, a keyword input of a detailed classification may be performed by referring to a related synonym through selecting a synonym menu after selecting a keyword of a user.

When the keyword selection of each sub-category item is completed as described above, an individual search expression is prepared according to the corresponding keyword (S240).

Thereafter, the search is performed through its own or external patent database using the individual search expression of the detailed classification and the pre-stored common search expression (S250). The search result is output including the total number of searches and the number of searches by technology classification, and the filtering is performed on patents corresponding to overlapping patents or negative keywords by the user's selection or automatically.

After the search and filtering is completed, the patent trend analysis by applicant, country, year, technology classification and major patents is performed based on the search result data (S260). Graphs and result values calculated through trend analysis may be provided sequentially by analysis type or at a time.

The patent trend analysis system according to the present invention stores the input values and output values for each step of the patent trend analysis method as described above, the user corrects the input values even during or during a specific project progress step, and the modified input values from the corresponding step. Patent trend analysis can be carried out according to.

3 is a screen showing an embodiment of a patent trend analysis method using keyword technology classification according to the present invention.

The patent trend analysis system using the keyword technology classification of the present invention provides the user terminal with a screen as shown in FIG. 3, which is a project menu according to the start of a new patent trend analysis project.

Referring to FIG. 3, the technology classification tree 310 is provided for the technical classification of the patent trend analysis target technology to allow a user to select a classification of the patent trend analysis target technology. At this time, it is preferable to provide the technical classification up to large classification, medium classification, small classification (Depth3). In addition, the lower portion of the technical classification tree allows the user to intuitively display the category selected by the user (320).

The keyword field 330 displays related keywords according to the extraction range when selecting the lowest classification of the technical classification tree. The technology classification database of the patent trend analysis system according to the present invention stores a common search expression corresponding to each subclass of technology and keywords of existing patent documents derived by the common search expression. In addition, the keyword is stored separately from a specific range such as the purpose, composition, effect, summary, claims, detailed description, etc. of the invention in the patent literature. Therefore, when the technical classification is selected by the user, it is preferable to update the related keyword according to the technical classification to be displayed on the screen of the user terminal.

The subcategory 340 supports a user to directly create a tree structure. The user rearranges or selects a keyword output in the keyword field 330 to select a keyword to be included in the subcategory 340. According to an embodiment of the present invention, when one of the subdivisions is selected, the subcategory is selected. Is activated and selecting a specific keyword output in the keyword field 330 allows the selected keyword to be inserted into the activated keyword field. In this way, the user adds a new subcategory item, directly writes the name of the corresponding item, inserts a keyword, and adds a subcategory item of the subcategory item to create a tree structure.

Although the present invention has been shown and described with reference to the preferred embodiments as described above, it is not limited to the above embodiments and those skilled in the art without departing from the spirit of the present invention. Various changes and modifications will be possible.

1 is a block diagram of a patent trend analysis system using the keyword technology classification according to the present invention,

2 is a flowchart illustrating a patent trend analysis method using keyword technology classification according to the present invention;

Figure 3 is a screen showing an embodiment of a patent trend analysis method using the keyword technology classification according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100: Patent Trend Analysis System 110: Project Management Department

120: technical classification unit 130: search unit

140: trend analysis

Claims (20)

In the system for analyzing patent trends through the search of patent documents, Provides a list of patent trend analysis projects performed by user and a new menu of patent trend analysis projects to the user terminal, controls the technology classification unit, the search unit and the trend analysis unit, and outputs the outputs of the technology classification unit, the search unit, and the trend analysis unit. A project manager for storing the input value from the user terminal for each execution step of the patent trend analysis project; A technical classification database for storing a common search expression for each technical classification and keywords derived from patent documents by the common search expression, and providing a technical classification tree stored in the technical classification database to the user terminal, and from the user terminal. A technical classification unit for receiving a keyword or individual search input according to the technical subdivision; A search unit for performing a search through a patent database using the common search expression and the individual search expression; And Receiving a technical classification from the technical classification unit and a search result data from the search unit, a trend analysis unit for performing a patent trend analysis based on the received data Patent trend analysis system using the keyword technology classification, including. The method of claim 1, Patent trend analysis system using a keyword technology classification further comprises an authentication unit for authenticating the connection of the user terminal. The method of claim 1, The technical classification tree stored in the technical classification database is a patent trend analysis system using the keyword technical classification classified into large classification, medium classification and small classification. The method of claim 1, The keyword is derived from any one or more of the scope, purpose, structure, effect, summary, claims, detailed description of the invention in the patent literature, patent trend analysis system using a keyword technology classification that is stored for each range. The method of claim 1, The above keywords are not used in the case of simple description words other than the technical terms used in the technical classification, except for the keywords commonly included in the literatures of less than 5% to 10% and more than 50% to 70% of the patent documents in the specific technical classification. Patent trend analysis system using the keyword technology classification to exclude as. The method of claim 1, The technical classification unit is configured to include a thesaurus database, the patent trend analysis system using a keyword technology classification to provide a thesaurus to the user terminal. The method of claim 1, The technical classification unit, when receiving a keyword according to the technical sub-classification from the user terminal, patent trend analysis system using a keyword technical classification to create an individual search expression of the technical sub-classification based on the received keyword. The method of claim 1, The search unit calculates a list of patent documents searched by the common search formula, and then uses patent technology classification to search / classify patent documents by technology subclassification according to the individual search formula in the calculated patent document list. Analysis system. The method of claim 1, The search unit automatically processes to belong to one technical subclassification according to the frequency (similarity) of the search word or filters the user terminal when there are patent documents belonging to two or more technical subclassifications. Patent trend analysis system using keyword technology classification that provides an interface. The method of claim 9, The filtering interface may select among IPC limited or excluded, excluded keywords or non-excluded keywords, registered documents and public documents for all search results or search results for each technical classification, or the priority or frequency of search terms or keywords for each technical classification. Patent trend analysis system using the keyword technology classification to select any one or more of the purpose, effects, composition, summary and claims of the invention of the patent document to be counted. The method of claim 1, The trend analysis unit analyzes one or more trends of each applicant, country, year, technology classification, and major patent, and analyzes patent trends using keyword technology classification to output graphs and analysis values for each analysis type. system. The method of claim 1, The project management unit, by providing an analysis flow chart to the user terminal, a patent trend analysis system using a keyword technology classification for providing a step of performing a patent trend analysis project according to the user's selection using the analysis flow chart. In the method for analyzing patent trends through the search of patent documents, A first step of receiving a selection of a new patent trend analysis project start menu from among project start modes provided to a user terminal in a patent trend analysis system; A second step of providing an interface for technology classification to the user terminal; Upon receiving the technical classification selection of the target technology of the patent trend analysis from the user terminal, the common search expression corresponding to the technical classification selection result and the keywords derived from the patent documents by the common search expression are selected and provided to the user terminal. Receiving a keyword input corresponding to each technical subcategory item from a user terminal; A fourth step of preparing an individual search expression for each technical sub-classification using the keyword received from the user terminal; And The fifth step of searching for patent documents using the created search formula and analyzing patent trends based on the retrieved patent document data Patent trend analysis method using a keyword technology classification comprising a. The method of claim 13, wherein in the second step, The interface for the technical classification, the patent trend analysis method using a keyword technical classification comprising a technical classification tree classified into large classification, medium classification and small classification. The method of claim 13, wherein in the second step, The interface for technology classification, patent trend analysis method using a keyword technology classification comprising a synonym menu. The method of claim 13, wherein the fifth step, After searching the patent literature, Performing filtering on patent documents corresponding to duplicate patents and negative keywords automatically by selection input of a user terminal or automatically Patent trend analysis method using a keyword technology classification comprising a. The method of claim 16, The filtering, after searching the patent document, if there is a patent document belonging to two or more technical subclassification automatically processes to belong to one technical subclassification according to the frequency (similarity) of the search word or the filtering interface to the user terminal Patent trend analysis method using the provided keyword technology classification. The method of claim 17, The filtering interface may select among IPC limited or excluded, excluded keywords or non-excluded keywords, registered documents and public documents for all search results or search results for each technical classification, or the priority or frequency of search terms or keywords for each technical classification. Patent trend analysis method using the keyword technical classification to select any one or more of the purpose, effect, composition, summary and claims of the invention of the patent document to be counted. The method of claim 13, wherein The analysis of patent trends, patent trend analysis method using the keyword technology classification to analyze any one or more patent trends of each applicant, country, year, technology classification and major patents. The method of claim 13, The patent trend analysis system, the patent trend analysis method using a keyword technology classification for storing the input value and output value of each step.

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