RI

Ryosaku Igarashi

FI Fujifilm Business Innovation: 31 patents #155 of 5,238Top 3%
Xerox: 1 patents #5,237 of 8,622Top 65%
Overall (All Time): #113,850 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5495049 Triarylamine compounds useful in electrophotographic photoreceptors Katsumi Nukada, Akira Imai 1996-02-27
5456997 Electrophotographic photoreceptor Hiroaki Moriyama, Kohichi Yamamoto, Shigetoshi Nakamura, Tomoo Kobayashi 1995-10-10
5456998 Photoconductive imaging members containing alkoxy-bridged metallophthalocyanine dimers Richard A. Burt, Barkev Keoshkerian, George Liebermann, Cheng-Kuo Hsiao, Sandra J. Gardner +3 more 1995-10-10
5424159 Electrophotographic photoreceptor Kiyokazu Mashimo, Fumio Ojima, Toru Ishii, Tomoo Kobayashi, Taketoshi Hoshizaki +1 more 1995-06-13
5403688 Method for determining termination time of the step of dispersing a coating composition for photosensitive layer of electrophotographic photoreceptor and electrophotographic photoreceptor prepared using the dispersion Seiji Ashiya, Taketoshi Hoshizaki, Koji Bando, Masanori Murase, Takahiro Suzuki +2 more 1995-04-04
5393629 Electrophotographic photoreceptor Katsumi Nukada, Katsumi Daimon, Yasuo Sakaguchi, Kazuo Yamasaki, Masakazu Iijima +7 more 1995-02-28
5104758 Electrophotographic photoreceptor comprising a squarylium compound and selenium or a selenium alloy Kiyokazu Mashimo, Ichiro Takegawa, Yasuo Sakaguchi, Shigetoshi Nakamura, Kohichi Yamamoto 1992-04-14