Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11370009 | Metal plate and method of producing tubular body | Takahiro Kobayashi, Yoshiharu Irei, Shoji Sasaki, Makoto Nishino | 2022-06-28 |
| 10775733 | Holding mechanism and image forming apparatus | Takahiro Kobayashi, Tomoo Akaba, Yoshiharu Irei, Shoji Sasaki, Makoto Nishino | 2020-09-15 |
| 9063498 | Image forming apparatus | — | 2015-06-23 |
| 8532541 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2013-09-10 |
| 8139987 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2012-03-20 |
| 7894752 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2011-02-22 |
| 7877044 | Image forming apparatus with an image bearing member that rotates with the same speed as an intermediate transfer member | — | 2011-01-25 |
| 7751758 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2010-07-06 |
| 7742710 | Image forming apparatus including two toner accomodation portions | Yukihiro Miura, Takayuki Suzuki | 2010-06-22 |
| 7729643 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2010-06-01 |
| 7657208 | Image forming apparatus having an auxiliary driving means which transmits a restricted driving force to an image bearing member | — | 2010-02-02 |
| 7620350 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2009-11-17 |
| 7593673 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2009-09-22 |
| 7496321 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2009-02-24 |
| 7439671 | Organic electroluminescent panel | Isamu Ohshita, Hiroyuki Kura, Masatoshi Yamaki, Hiroshi Itoh | 2008-10-21 |
| 7409181 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2008-08-05 |
| 7400847 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2008-07-15 |
| 7401301 | Circuit design support method, device thereof, and circuit design support program | Hiroo Sekiya, Yuichi Tanji, Jianming Lu | 2008-07-15 |
| 7349639 | Image forming apparatus and management system | Ryuichi Kojima | 2008-03-25 |
| 7264843 | Organic electroluminescent panel and producing method of the same | Isamu Ohshita, Hiroyuki Kura, Masatoshi Yamaki, Hiroshi Itoh | 2007-09-04 |
| 7254348 | Image forming apparatus with replenishment developer device | — | 2007-08-07 |
| 7242878 | Image forming apparatus and management system | Ryuichi Kojima | 2007-07-10 |
| 7095970 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2006-08-22 |
| 7010250 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus | — | 2006-03-07 |
| 6839534 | Image forming apparatus and developer supply container removably mountable in image forming apparatus | Kenji Matsuda, Hisayoshi Kojima, Hironobu Isobe | 2005-01-04 |