Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6203962 | Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge and electrophotographic photoreceptor used therein | Akihiko Itami, Takeo Oshiba, Yohko Kitahara, Masahiko Kurachi, Kazuhisa Shida | 2001-03-20 |
| 6143452 | Electrophotographic photoreceptor | Akihiko Itami, Kazumasa Watanabe, Shingo Fujimoto, Toyoko Shibata, Tomoko Sakimura | 2000-11-07 |
| 6099998 | Electrophotographic photoreceptor and a production method of the same | Toyoko Shibata, Akira Kinoshita | 2000-08-08 |
| 5891599 | Electrophotographic photoreceptor | Shingo Fujimoto, Akihiko Itami | 1999-04-06 |
| 5589309 | Electrophotographic photoreceptor containing perylenes | Tomoko Suzuki, Akira Kinoshita, Hirofumi Hayata | 1996-12-31 |
| 5589314 | Image forming method using an imidazole-perylene electrophotographic photoreceptor | Yoshihiko Etoh, Takeo Oshiba, Asao Matsushima, Hirofumi Hayata, Tomoko Suzuki +1 more | 1996-12-31 |
| 5549997 | Electrophotographic photoreceptor | Asao Matsushima, Takeo Ooshiba, Yoshihiko Etoh, Akira Kinoshita, Tomoko Suzuki | 1996-08-27 |