Issued Patents All Time
Showing 126–150 of 150 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215969 | Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus | Yoshiya Nomura, Kanji Yokomori | 2001-04-10 |
| 6173140 | Coupling member, process cartridge and assembling method of process cartridge | Akira Suzuki, Hiroomi Matsuzaki, Kazuo Chadani | 2001-01-09 |
| 6169865 | Developing device frame process cartridge and electrophotographic image forming apparatus | Yoshiya Nomura, Kanji Yokomori | 2001-01-02 |
| 6167219 | Grounding member, flange, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Jun Miyamoto, Kouji Miura | 2000-12-26 |
| 6154623 | Process cartridge and image forming apparatus | Akira Suzuki, Tadayuki Tsuda | 2000-11-28 |
| 6128452 | Process cartridge and image forming apparatus having particular arrangement of electrical contacts | Atsushi Kubota | 2000-10-03 |
| 6072968 | Process cartridge, assembling method for process cartridge and electrophotographic image forming apparatus | Yoshiya Nomura, Yoshikazu Sasago | 2000-06-06 |
| 6064843 | Process cartridge and image forming apparatus | Hironobu Isobe, Atsushi Kubota, Yoshiya Nomura, Kanji Yokomori | 2000-05-16 |
| 6029031 | Process cartridge and remanufacturing method | Kanji Yokomori, Yoshiya Nomura | 2000-02-22 |
| 5966567 | Process cartridge and electrophotographic image forming apparatus | Hiroomi Matsuzaki, Akira Suzuki, Kazuo Chadani | 1999-10-12 |
| 5950047 | Process cartridge, electrophotographic image forming apparatus, and electrical connection therebetween | Kouji Miura | 1999-09-07 |
| 5946531 | Process cartridge and electrophotographic image forming apparatus | Kouji Miura, Jun Miyamoto, Takeshi Arimitsu | 1999-08-31 |
| 5943529 | Process cartridge and electrophotographic image forming apparatus | Hiroomi Matsuzaki, Kazuo Chadani | 1999-08-24 |
| 5926666 | Process cartridge, electrophotographic image forming apparatus and connection method of connecting contacts | Kouji Miura, Kazuhiko Kanno | 1999-07-20 |
| 5878310 | Process cartridge, assembling method for process cartridge and electrophotographic image forming apparatus | Shinya Noda, Yoshikazu Sasago, Haruhisa Oshida, Toshiyuki Karakama | 1999-03-02 |
| 5878309 | Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus | Yoshiya Nomura, Kanji Yokomori | 1999-03-02 |
| 5873012 | Image forming apparatus having process cartridge with specific arrangement of electrical contacts | Atsushi Kubota | 1999-02-16 |
| 5839028 | Process cartridge and refilling method therefor | Yoshiya Nomura, Kanji Yokomori | 1998-11-17 |
| 5815782 | Developing apparatus | Kanji Yokomori | 1998-09-29 |
| 5640650 | Process cartridge including a spaced rolling members support feature and image forming apparatus using the same | Kazushi Watanabe, Shinichi Sasaki, Isao Ikemoto, Shinya Noda | 1997-06-17 |
| 5585889 | Process cartridge and image forming apparatus | Kazuo Shishido, Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Minoru Sato +1 more | 1996-12-17 |
| 5579085 | Image forming apparatus and detachable process cartridge having press-fitted flange to cylinder | Hiroo Kobayashi, Kazuo Shishido, Koji Miura | 1996-11-26 |
| 5463446 | Rotary member a process cartridge and an assembling method for rolling members | Kazushi Watanabe, Shinichi Sasaki, Isao Ikemoto, Shinya Noda | 1995-10-31 |
| 5452056 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Yoshiya Nomura, Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Kazuo Shishido +2 more | 1995-09-19 |
| 5331373 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Yoshiya Nomura, Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Kazuo Shishido +2 more | 1994-07-19 |