CY

Chikara Yamada

Bridgestone: 5 patents #476 of 2,860Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #758,150 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6814892 Ethylene propylene rubber foam and image formation equipment Toshiyuki Osaki, Tadashi Nakajima, Takahiro Kawagoe 2004-11-09
6579473 Ethylene propylene rubber foam and image formation equipment Toshiyuki Osaki, Tadashi Nakajima, Takahiro Kawagoe 2003-06-17
6009297 Intermediate transfer member and image-forming device Yuko Maeda, Norihiko Kaga, Yoshitomo Masuda, Takahiro Kawagoe 1999-12-28
5978639 Intermediate transfer member and intermediate transfer device Yoshitomo Masuda, Yuko Maeda, Norihiko Kaga, Hideyuki Niwa, Takashi Kitamura +1 more 1999-11-02
5598161 Analog-to-digital converter having reduced circuit area 1997-01-28
5594444 Analog-to-digital converter having reduced circuit area 1997-01-14
4711870 Exhaust gas purifying catalyst Yoji Watabe, Koichi Irako, Yuichi Murakamai 1987-12-08