Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7078142 | Image forming method | Akihiko Itami, Tomoo Sakimura, Takeo Oshiba, Masahiko Kurachi, Kazuhisa Shida | 2006-07-18 |
| 6489069 | Electrophotographic image carrier and image forming apparatus, image forming method and processing cartridge using it | Akihiko Itami, Takeo Oshiba, Tomoo Sakimura, Masahiko Kurachi, Kazuhisa Shida | 2002-12-03 |
| 6442367 | Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge | Akihiko Itami, Takeo Oshiba, Tomoo Sakimura, Masahiko Kurachi, Kazuhisa Shida | 2002-08-27 |
| 6399262 | Electrophotographic photoreceptor | Takeo Oshiba, Akihiko Itami, Tomoo Sakimura, Masahiko Kurachi, Kazuhisa Shida | 2002-06-04 |
| 6265122 | Electrophotographic photoreceptor and an image forming apparatus and a process cartridge using the same | Akihiko Itami, Tomoo Sakimura, Takeo Oshiba, Masahiko Kurachi, Kazuhisa Shida | 2001-07-24 |
| 6203962 | Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge and electrophotographic photoreceptor used therein | Akihiko Itami, Takeo Oshiba, Tomoo Sakimura, Masahiko Kurachi, Kazuhisa Shida | 2001-03-20 |
| 5853934 | Electrophotographic photoreceptor | Kazumasa Watanabe, Shingo Fujimoto, Naoto Abe, Hideo Yoshizawa, Tsuyoshi Shimoda | 1998-12-29 |
| 5846679 | Electrophotographic photoreceptor | Eiichi Sakai, Kenichi Yasuda, Hiroaki Minemura, Fumitaka Mochizuki | 1998-12-08 |
| 5800956 | Electrophotographic photoreceptor with specific interlayer | Hiroaki Minemura, Eiichi Sakai, Kenichi Yasuda | 1998-09-01 |
| 5716745 | Electrophotographic photoreceptor | Hiroaki Minemura, Kenichi Yasuda, Eiichi Sakai | 1998-02-10 |