KS

Kei Sakamoto

ZE Zeon: 43 patents #1 of 734Top 1%
KT Kabushiki Kaisha Toshiba: 15 patents #1,982 of 21,451Top 10%
AT Autonetworks Technologies: 10 patents #173 of 1,079Top 20%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
SS Sumitomo Wiring Systems: 10 patents #381 of 2,615Top 15%
NC Nippon Zeon Co.: 5 patents #73 of 609Top 15%
Toshiba Memory: 4 patents #468 of 1,971Top 25%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
SS Societe Des Produits Nestle S.A.: 1 patents #653 of 1,324Top 50%
TS Toshiba Digital Solutions: 1 patents #75 of 245Top 35%
MC Microwave Chemical Co.: 1 patents #12 of 18Top 70%
📍 Osaka, JP: #51 of 258 inventorsTop 20%
Overall (All Time): #22,531 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 76–80 of 80 patents

Patent #TitleCo-InventorsDate
6403289 Developer for photosensitive polyimide resin composition Akira Tanaka, Yasuhiro Yoneda, Kishio Yokouchi 2002-06-11
6270900 Composite film Yasuhiro Wakizaka 2001-08-07
6160081 Photosensitive polyimide resin composition Akira Tanaka, Kenichi Ito, Yasuhiro Yoneda, Kishio Yokouchi, Yasuo Naganuma 2000-12-12
5886136 Pattern forming process Akira Tanaka, Masami Koshiyama, Yasuhiro Yoneda, Kishio Yokouchi, Daisuke Mizutani +1 more 1999-03-23
5777068 Photosensitive polyimide resin composition Akira Tanaka, Satoshi Tazaki, Yasuhiro Yoneda, Kishio Yokouchi, Daisuke Mizutani +1 more 1998-07-07