How should electromagnetic waves below 30MHz be handled?

…, T Kagoshima, S Ito, K Ohizumi - Proceedings of 2014 …, 2014 - ieeexplore.ieee.org
In high-speed products, the physical and mechanical design can affect both Electromagnetic
Compatibility (EMC) and Signal Integrity (SI). With board-level clock frequencies in the …

Changes that modularization makes in antenna design

A Maeda, K Ohizumi - Seventh International Conference on …, 2012 - ieeexplore.ieee.org
In the earliest days of the cell phone industry, one of the most awkward process of a cell
phone project was integration. Modules that worked individually were put together and the …

A proposal for engineering education through restructuring product design

A Maeda, K Ohizumi - Proceedings of IEEE International …, 2012 - ieeexplore.ieee.org
In order to contemplate the best form of engineering education, this paper provides studies
on engineering education using Design Structure Matrix, and fractal analysis to deal with …

A study into the effect of smartphone development on antenna design

A Maeda, K Ohizumi - 2013 IEEE Symposium on Product …, 2013 - ieeexplore.ieee.org
Modularization has been supposed to accelerate smart phone products to market because
of black box theory. In order to expose many problems areas especially an invisible conflict …

Investigation on effective development patterns in the design process of digital camera products

A Maeda, K Ohizumi - Proceedings of 15th International …, 2012 - ieeexplore.ieee.org
This paper provides a unique solution for offering numerous suggestions to design complexity
in digital camera products through the position of electromagnetic compatibility. In general…

A new proposal for EMC technique using DSM

K Ohizumi, A Maeda - 2011 IEEE Symposium on Product …, 2011 - ieeexplore.ieee.org
A new proposal is introduced for a designing process of digital single-lens reflex camera. This
paper describes that Design Structure Matrix is one of the effective method for engineering …

[HTML][HTML] Long-term assessment of nitrogen deposition at remote EANET sites in Japan

S Ban, K Matsuda, K Sato, T Ohizumi - Atmospheric Environment, 2016 - Elsevier
Atmospheric emissions of reactive nitrogen have increased significantly on a global scale due
to increases of the use of artificial fertilizer and the burning of fossil fuels. The Asian region …

Accurate and precise quantification of atmospheric nitrate in streams draining land of various uses by using triple oxygen isotopes as tracers

…, F Nakagawa, Y Obata, K Sato, T Ohizumi - …, 2016 - bg.copernicus.org
Land use in a catchment area has significant impacts on nitrate eluted from the catchment,
including atmospheric nitrate deposited onto the catchment area and remineralised nitrate …

Transboundary transport of anthropogenic sulfur in PM2. 5 at a coastal site in the Sea of Japan as studied by sulfur isotopic ratio measurement

Y Inomata, T Ohizumi, N Take, K Sato… - Science of the Total …, 2016 - Elsevier
Sulfur isotopic ratios (δ 34 S) in size separated aerosol particles (PM2.5 and coarse particles)
were measured at Niigata-Maki facing the Sea of Japan. Non-sea salt δ 34 S (δ 34 S nss ) …

Emission and atmospheric transport of particulate PAHs in Northeast Asia

…, H Ueda, N Tang, K Hayakawa, T Ohizumi… - … science & technology, 2012 - ACS Publications
The emission, concentration levels, and transboundary transport of particulate polycyclic
aromatic hydrocarbons (PAHs) in Northeast Asia were investigated using particulate PAH …