Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D587304 | Toner cartridge | Kazunari Murayama, Masato Tanabe, Isao Koishi | 2009-02-24 |
| 7466939 | Electrophotographic image forming apparatus to which a plurality of process cartridges are detachably mountable by using a moving guide and an opening and closing member | Yoshiaki Nakashima, Takeshi Setoriyama, Shuji Nishitani, Hidetoshi Yamashita, Kazunari Murayama +2 more | 2008-12-16 |
| 7349649 | Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus | Nobuharu Hoshi, Kazunari Murayama | 2008-03-25 |
| 7340197 | Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus | Kazunari Murayama, Kanji Yokomori, Susumu Nittani | 2008-03-04 |
| 7162181 | Remanufacturing method for process cartridge | Kanji Yokomori, Kazunari Murayama, Susumu Nittani, Nobuharu Hoshi, Tatsuya Suzuki | 2007-01-09 |
| 7158735 | Process cartridge, mounting method of electrophotographic photosensitive drum and replacing method of the photosensitive drum | Kazunari Murayama, Kanji Yokomori | 2007-01-02 |
| 7127194 | Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus | Nobuharu Hoshi, Kazunari Murayama | 2006-10-24 |
| 7092657 | Electrophotographic image forming apparatus, and process cartridge | Yoshiaki Nakashima, Takeshi Setoriyama, Shuji Nishitani, Hidetoshi Yamashita, Kazunari Murayama +2 more | 2006-08-15 |
| 7088939 | Process cartridge and electrophotographic image forming apparatus | Susumu Nittani, Masatomo Tsuzuki | 2006-08-08 |
| 7072603 | Process cartridge and holding member | Masatomo Tsuzuki, Susumu Nittani, Tatsuya Suzuki, Kanji Yokomori | 2006-07-04 |
| 7072594 | Developing apparatus, process cartridge, and image forming apparatus | Nobuharu Hoshi, Tatsuya Suzuki | 2006-07-04 |
| 7046942 | Process cartridge and image forming apparatus | Takeshi Arimitsu, Tachio Kawai | 2006-05-16 |
| D519150 | Image forming apparatus | Hisayoshi Kojima, Kanji Yokomori, Kazunari Murayama, Nobuharu Hoshi, Tatsuya Suzuki +2 more | 2006-04-18 |
| 7024134 | Rigid process cartridge and electrophotographic image forming apparatus incorporating the same | Kanji Yokomori, Shinjiro Toba | 2006-04-04 |
| 6980758 | Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus | Kazunari Murayama, Kanji Yokomori, Susumu Nittani | 2005-12-27 |
| 6968142 | Process cartridge and image forming apparatus | Takeshi Arimitsu, Tachio Kawai | 2005-11-22 |
| 6947685 | Process cartridge and electrophotographic image forming apparatus | Takeshi Arimitsu, Jun Miyamoto, Kouji Miura | 2005-09-20 |
| 6947686 | Process cartridge and spacer for same | Tachio Kawai, Takeshi Arimitsu | 2005-09-20 |
| 6922536 | Process cartridge and electrophotographic image forming apparatus | Takeshi Arimitsu | 2005-07-26 |
| 6839529 | Developing device and process cartridge | Kojiro Yasui, Susumu Nittani | 2005-01-04 |