TK

Takaaki Kumazawa

HI Hitachi: 3 patents #329 of 3,771Top 9%
Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #11,360 of 270,089Top 5%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6780660 System for testing electronic devices Yuichi Hamamura, Hisao Asakura, Aritoshi Sugimoto, Kazuyuki Tsunokuni 2004-08-24
6770496 Method of testing electronic devices Yuichi Hamamura, Hisao Asakura, Aritoshi Sugimoto, Kazuyuki Tsunokuni 2004-08-03
6771077 Method of testing electronic devices indicating short-circuit Yuichi Hamamura, Hisao Asakura, Aritoshi Sugimoto, Kazuyuki Tsunokuni 2004-08-03
6704495 Audio-video device reproducing apparatus Genichi Yamada, Ko Hamano, Tadashi Maeoka, Yoshihiro Fujimoto, Takamichi Nakagawa 2004-03-09