Issued Patents All Time
Showing 26–50 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9274499 | Cartridge and image forming apparatus | Masanari Morioka | 2016-03-01 |
| 9213267 | Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit | Nobuharu Hoshi, Akira Suzuki, Makoto Hayashida, Tadashi Horikawa | 2015-12-15 |
| 9025998 | Process cartridge and image forming apparatus | Masanari Morioka | 2015-05-05 |
| 8805237 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2014-08-12 |
| 8682211 | Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit | Nobuharu Hoshi, Akira Suzuki, Makoto Hayashida, Tadashi Horikawa | 2014-03-25 |
| 8577252 | Process cartridge and disassembling method of the process cartridge | Osamu Anan, Koji Yamaguchi | 2013-11-05 |
| 8494410 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2013-07-23 |
| 8437661 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2013-05-07 |
| 8385775 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2013-02-26 |
| 8170445 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2012-05-01 |
| 8170444 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2012-05-01 |
| 8155557 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2012-04-10 |
| 8090292 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2012-01-03 |
| 8059988 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2011-11-15 |
| D639846 | Process cartridge | Tachio Kawai, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-06-14 |
| D639335 | Process cartridge | Tachio Kawai, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-06-07 |
| D638056 | Process cartridge | Tachio Kawai, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-05-17 |
| D638057 | Process cartridge | Tachio Kawai, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-05-17 |
| 7933534 | Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit | Nobuharu Hoshi, Akira Suzuki, Makoto Hayashida, Tadashi Horikawa | 2011-04-26 |
| 7929881 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino | 2011-04-19 |
| 7756441 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2010-07-13 |
| 7463844 | Process cartridge that spaces a developing roller and photosensitive drum from each other and image forming apparatus usable therewith | Koji Hashimoto, Yasuhiko Fuse, Satoshi Murasaki | 2008-12-09 |
| 7184686 | Process cartridge having developing roller and photosensitive drum that can contact and become spaced apart from each other and electrophotographic image forming apparatus mounting such cartridge | Koji Hashimoto, Kinya Harada | 2007-02-27 |
| D528591 | Image forming apparatus | Koji Hashimoto, Kazuo Chadani, Tomonori Mori, Kinya Harada | 2006-09-19 |
| 7058337 | Process cartridge and electrophotographic image forming apparatus | Koji Hashimoto, Kinya Harada | 2006-06-06 |