Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7206539 | Non-magnetic single component developing device | Tadayuki Sawai, Kazuya Korematu, Toru Nishikawa | 2007-04-17 |
| 6472114 | Coating fluid for electric charge generating layer, organic electrophotographic receptor, and method to manufacturing the same | Tatsuhiro Morita, Tomomi Nakamura, Rikiya Matsuo, Koichi Toriyama, Mikio Kakui | 2002-10-29 |
| 6136484 | Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same | Satoshi Katayama, Yoshihide Shimoda, Makoto Kurokawa, Mikio Kakui, Hiroko Ishibashi +5 more | 2000-10-24 |
| 6136485 | Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same | Kazuya Ishida, Satoshi Katayama, Takahiro Teramoto, Kazushige Morita, Tomoko Kanazawa | 2000-10-24 |
| 6090514 | Electrophotographic photoreceptor | Mikio Kakui, Hirofumi Kawaguchi, Kazunari Hamasaki, Yoshio Inagaki, Ayako Yashima | 2000-07-18 |
| 6054237 | Electrophotographic photoreceptor, process for producing the same, and image forming apparatus using same | Kazuya Ishida, Kiyofumi Morimoto, Satoshi Katayama, Takahiro Teramoto, Kazushige Morita | 2000-04-25 |
| 5821021 | Photosenstive material for electrophotography | — | 1998-10-13 |
| 5656407 | Photosensitive material for electrophotography | — | 1997-08-12 |
| 5336576 | Electrophotographic photosensitive member having a photosensitive layer comprising the azo compound | Eiichi Miyamoto, Yasuyuki Hanatani, Hiroaki Iwasaki, Yasufumi Mizuta | 1994-08-09 |
| 5288576 | Electrophotographic member having an azo compound with diphenoquinone | Eiichi Miyamoto, Yasuyuki Hanatani, Hiroaki Iwasaki, Yasufumi Mizuta | 1994-02-22 |
| 5274084 | Bisazo compounds which contain a diphenoquinone tetraazo component and an electrophotographic photosensitive member having a photosensitive layer comprising the bisazo compound | Eiichi Miyamoto, Yasuyuki Hanatani, Hiroaki Iwasaki, Yasufumi Mizuta | 1993-12-28 |
| 5260157 | Electrophotographic photosensitive element comprising a surface protective layer comprising an etherified melamine-formaldehyde resin | Yasufumi Mizuta, Kaname Nakatani, Nariaki Tanaka | 1993-11-09 |