OS

Osamu Sasaki

KC Konishiroku Photo Industry Co.: 12 patents #49 of 894Top 6%
Sharp Kabushiki Kaisha: 11 patents #1,520 of 10,731Top 15%
TK Toda Kogyo: 10 patents #44 of 328Top 15%
KO Konica: 7 patents #359 of 1,958Top 20%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
FC Fuji Electric Co.: 6 patents #393 of 2,643Top 15%
Canon: 5 patents #9,253 of 19,416Top 50%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
MC Matsui Shikiso Chemical Co.: 3 patents #6 of 24Top 25%
ST Sharp Display Technology: 3 patents #66 of 250Top 30%
SI Seiko Instruments: 2 patents #605 of 1,437Top 45%
SV Sovereign Peak Ventures: 1 patents #13 of 26Top 50%
BM Basf Toda Battery Materials: 1 patents #7 of 20Top 35%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
DI Dai Nippon Insatsu: 1 patents #197 of 371Top 55%
Overall (All Time): #22,115 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 76–81 of 81 patents

Patent #TitleCo-InventorsDate
4426432 Electrophotosensitive receptor with trisazo compound Kiyoshi Sawada, Satoshi Goto, Jiro Takahashi, Tawara Komamura 1984-01-17
4415640 Electrophotographic element with fluorenylidene hydrazone compounds Satoshi Goto, Kiyoshi Sawada, Akira Kinoshita, Yoshiaki Takei, Yoshihide Fujimaki 1983-11-15
4368257 Method for forming a cyan dye image Yasushi Usagawa, Wataru Fujimatsu, Katsumi Matsuura 1983-01-11
4362810 Method for forming a cyan dye image Yasushi Usagawa, Wataru Fujimatsu, Katsumi Matsuura 1982-12-07
4304844 Method for forming a cyan dye image Wataru Fujimatsu, Yasushi Usagawa, Katsumi Matsuura 1981-12-08
4299914 Method for forming a cyan dye image Wataru Fujimatsu, Yasushi Usagawa, Katsumi Matsuura 1981-11-10