MK

Masaki Koyama

HI Hitachi: 1 patents #1,745 of 4,225Top 45%
PA Panasonic: 1 patents #61 of 393Top 20%
Overall (2003): #53,594 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6637550 Displacement type fluid machine Isamu Tsubono, Isao Hayase, Yuugo Mukai, Koichi Sekiguchi, Kenichi Oshima 2003-10-28
6525670 In-home health care system Kenji Doi, Mitsuhide Maeda, Hitoshi Sakakibara, Masaru Hashimoto, Keiichi Yoshida +3 more 2003-02-25