Issued Patents All Time
Showing 51–75 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8213831 | Process cartridge and electrophotographic image forming apparatus | Akira Yoshimura, Susumu Nittani | 2012-07-03 |
| 7953340 | Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member | Masato Tanabe, Susumu Nittani, Tomio Noguchi | 2011-05-31 |
| 7894733 | Process cartridge and image forming apparatus | Masato Tanabe, Susumu Nittani, Tomio Noguchi | 2011-02-22 |
| D631092 | Process cartridge | Susumu Nittani, Masatomo Tsuzuki, Akira Yoshimura | 2011-01-18 |
| 7860433 | Process cartridge and electrophotographic image forming apparatus | Akira Yoshimura, Susumu Nittani | 2010-12-28 |
| 7715746 | Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member | Masato Tanabe, Susumu Nittani, Tomio Noguchi | 2010-05-11 |
| 7412193 | Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method | Masaaki Sato, Shigeo Miyabe, Hiroomi Matsuzaki | 2008-08-12 |
| 7349657 | Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method | Masaaki Sato, Shigeo Miyabe, Hiroomi Matsuzaki | 2008-03-25 |
| D555718 | Image forming apparatus | Shigeo Miyabe, Takahito Ueno | 2007-11-20 |
| 7248810 | Cartridge, process cartridge, and electrophotographic image forming apparatus | Shigeo Miyabe, Takahito Ueno | 2007-07-24 |
| 7224925 | Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method | Masaaki Sato, Shigeo Miyabe, Hiroomi Matsuzaki | 2007-05-29 |
| 7224926 | Flight developer regulating member, developing apparatus and method of assembling developing apparatus | Masaki Kakitani | 2007-05-29 |
| 7218882 | Developing device, process cartridge, developer layer regulating member, and developer layer regulating member attaching method | Masaaki Sato | 2007-05-15 |
| 7212768 | Process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Shigeo Miyabe | 2007-05-01 |
| 7164875 | Electrophotographic image forming apparatus having a plurality of mounting portions for detachably mounting a plurality process cartridges | Shigeo Miyabe, Takahito Ueno | 2007-01-16 |
| 7158736 | Process cartridge having first and second rotatably coupled frames and electrophotographic image forming apparatus mounting such process cartridge | Masaaki Sato, Atsushi Numagami, Shigeo Miyabe | 2007-01-02 |
| 7149457 | Process cartridge and electrophotographic image forming apparatus | Shigeo Miyabe, Masaaki Sato | 2006-12-12 |
| 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, Hideki Maeshima | 2006-04-04 |
| 6990302 | Process cartridge and electrophotographic image forming apparatus regulating the positions of creases on a flexible member in accordance with pivotal movement of a support member | Kazunari Murayama, Nobuharu Hoshi | 2006-01-24 |
| 6941097 | Image forming apparatus having rotary unit for holding multiple developing devices | Kazuhiko Kanno, Jun Shao, Masahiro Shibata | 2005-09-06 |
| 6937834 | Spacing member, process cartridge, and electrophotographic image forming apparatus | Kazuhiko Kanno | 2005-08-30 |
| 6836629 | Developing blade, process cartridge, and electrophotographic image forming apparatus | Shigeo Miyabe | 2004-12-28 |
| 6708010 | Developing apparatus having magnetic seal | Shigeo Miyabe | 2004-03-16 |
| 6678488 | Image forming apparatus to which a process cartridge is detachably mountable and process cartridge comprising a rotation fulcrum portion | Shigeo Miyabe | 2004-01-13 |