Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983114 | Process cartridge whose drum-shutter supporting portions are outside the optical path of light exposing a photosensitive drum, and electrophotographic image forming apparatus detachably attaching such a process cartridge | — | 2006-01-03 |
| 6968142 | Process cartridge and image forming apparatus | Tachio Kawai, Hideki Maeshima | 2005-11-22 |
| 6947686 | Process cartridge and spacer for same | Tachio Kawai, Hideki Maeshima | 2005-09-20 |
| 6947685 | Process cartridge and electrophotographic image forming apparatus | Jun Miyamoto, Kouji Miura, Hideki Maeshima | 2005-09-20 |
| 6934489 | Process cartridge and electrophotographic image forming apparatus | Kanji Yokomori | 2005-08-23 |
| D508074 | Image forming apparatus | Yoshiyuki Batori, Masanari Morioka, Naoki Matsumaru, Ken Kikuchi, Hiroaki Sasaki | 2005-08-02 |
| 6922536 | Process cartridge and electrophotographic image forming apparatus | Hideki Maeshima | 2005-07-26 |
| 6898399 | Electrophotographic photosensitive drum process cartridge and electrophotographic image forming apparatus | Masanari Morioka, Minoru Sato | 2005-05-24 |
| 6859629 | Image forming apparatus having developer container with light transmitting window used for remaining developer amount detection | Koji Miura, Jun Miyamoto, Kojiro Yasui | 2005-02-22 |
| D489753 | Image forming apparatus | Yoshiyuki Batori, Hiroaki Sasaki, Masanari Morioka, Ken Kikuchi | 2004-05-11 |
| 6684041 | Process cartridge, electrophotographic photosensitive drum, electrophotographic image forming apparatus and color electrophotographic image forming apparatus | Kanji Yokomori | 2004-01-27 |
| 6622001 | Cleaning unit with conveying device | Susumu Nittani | 2003-09-16 |
| D479263 | Image forming apparatus | Yoshiyuki Batori, Masanari Morioka, Hiroaki Sasaki | 2003-09-02 |
| D474497 | Image forming apparatus | Tachio Kawai, Kanji Yokomori, Jun Miyamoto, Tadashi Horikawa, Koji Hashimoto +1 more | 2003-05-13 |
| D474232 | Image forming apparatus | Tachio Kawai, Kanji Yokomori, Jun Miyamoto, Tadashi Horikawa, Koji Hashimoto +1 more | 2003-05-06 |
| 6535709 | Developing apparatus featuring an end of a regulating member coupled to a supporting member of the apparatus, regulating member, and method for assembling the same | Kanji Yokomori, Susumu Nittani | 2003-03-18 |
| 6463234 | Process cartridge and electrophotographic image forming apparatus | Kanji Yokomori, Susumu Nittani | 2002-10-08 |
| 6459869 | Process cartridge and image forming apparatus | Susumu Nittani, Kanji Yokomori | 2002-10-01 |
| 6351620 | Process cartridge having guide projections and image forming apparatus using same | Shigeo Miyabe, Kouji Miura | 2002-02-26 |
| 6336017 | Mounting member for mounting a flange to an end of a cylindrical member of an electrophotographic photosensitive drum of a process cartridge, such a flange, such a drum, and such a process cartridge | Jun Miyamoto, Shigeo Miyabe | 2002-01-01 |
| 6282390 | Process cartridge and electrophotographic image forming apparatus | Shigeo Miyabe, Jun Miyamoto | 2001-08-28 |
| 6061538 | Process cartridge, electrophotographic image forming apparatus and electrophotographic image forming apparatus transmissions method | Jun Miyamoto, Kouji Miura | 2000-05-09 |
| 6055406 | Cleaning frame, cleaning device, process cartridge and electrophotographic image forming apparatus with segregated waste toner container | Tachio Kawai, Jun Miyamoto, Kanji Yokomori, Kouji Miura | 2000-04-25 |
| 6002896 | Process cartridge and electrophotographic image forming apparatus | Jun Miyamoto, Kouji Miura | 1999-12-14 |
| 5946531 | Process cartridge and electrophotographic image forming apparatus | Kouji Miura, Jun Miyamoto, Shigeo Miyabe | 1999-08-31 |