Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8909096 | Developing device, process cartridge and drum unit | Yuichi Fukui, Fumito Nonaka, Shunsuke Uratani | 2014-12-09 |
| 8879954 | Cartridge with member for fixing a member-to-be-energized | Fumito Nonaka, Yuichi Fukui, Shunsuke Uratani | 2014-11-04 |
| 8755713 | Manufacturing method of developing device, remanufacturing method of process cartridge, developing device, and process cartridge | Shunsuke Uratani | 2014-06-17 |
| 8515306 | Cartridge and image forming apparatus | Tadashi Horikawa, Hiroshi Takarada, Takashi Nakanishi | 2013-08-20 |
| 8494409 | Process cartridge and image forming apparatus | Osamu Anan, Yasunori Toriyama | 2013-07-23 |
| 8249485 | Process cartridge with portions to be supported and regulated during insertion of the cartridge into an electrophotographic image forming apparatus | Tadashi Horikawa, Hiroshi Takarada, Takashi Nakanishi | 2012-08-21 |
| 8238785 | Process cartridge and image forming apparatus | — | 2012-08-07 |
| 8180262 | Process cartridge, developer supply cartridge and electrophotographic image forming apparatus | — | 2012-05-15 |
| 8045899 | Process cartridge, developer supply cartridge and electrophotographic image forming apparatus | — | 2011-10-25 |
| D639846 | Process cartridge | Kazuhiko Kanno, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-06-14 |
| D639335 | Process cartridge | Kazuhiko Kanno, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-06-07 |
| D638056 | Process cartridge | Kazuhiko Kanno, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-05-17 |
| D638057 | Process cartridge | Kazuhiko Kanno, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-05-17 |
| 7848684 | Process cartridge, developer supply cartridge and electrophotographic image forming apparatus | — | 2010-12-07 |
| D599846 | Process cartridge | Kojiro Yasui, Koji Yamaguchi, Tadashi Horikawa, Yasufumi Yoshino, Akinobu Hirayama +2 more | 2009-09-08 |
| D599847 | Toner cartridge | Kojiro Yasui, Koji Yamaguchi, Tadashi Horikawa, Yasufumi Yoshino, Akinobu Hirayama +2 more | 2009-09-08 |
| 7555249 | Process cartridge, developer supply cartridge and electrophotographic image forming apparatus | — | 2009-06-30 |
| 7457569 | Process cartridge, developer supply cartridge and electrophotographic image forming apparatus | — | 2008-11-25 |
| 7346298 | Developing device, process cartridge, and electrophotographic image-forming apparatus | Seiji Yamaguchi, Syuhei Kawasaki, Issei Imamura | 2008-03-18 |
| 7310489 | Process cartridge including first and second portions to be positioned and first and second portions to be supported and image forming apparatus detachably mounting such process cartridge | — | 2007-12-18 |
| 7257353 | Developing apparatus | Seiji Yamaguchi, Syuhei Kawasaki | 2007-08-14 |
| 7233752 | Process cartridge and electrophotographic image forming apparatus | Kinya Harada, Kouji Hashimoto | 2007-06-19 |
| 7085516 | Process cartridge and electrophotographic image forming apparatus | Kojiro Yasui, Kinya Harada | 2006-08-01 |
| 7046942 | Process cartridge and image forming apparatus | Takeshi Arimitsu, Hideki Maeshima | 2006-05-16 |
| 7027754 | Process cartridge and electrophotographic image forming apparatus | Kinya Harada, Kouji Hashimoto | 2006-04-11 |