Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399447 | Image forming apparatus | Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Kunihiro Niwa, Yoji Misao +4 more | 2025-08-26 |
| 12360478 | Image forming apparatus | Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Kunihiro Niwa, Yoji Misao +4 more | 2025-07-15 |
| 12275614 | Sheet conveyance apparatus, sheet processing apparatus, and image forming apparatus | — | 2025-04-15 |
| 12222672 | Image forming apparatus with a transfer device | Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Kunihiro Niwa, Yoji Misao +4 more | 2025-02-11 |
| 12216428 | Image forming apparatus | Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Kunihiro Niwa, Yoji Misao +4 more | 2025-02-04 |
| 11772926 | Sheet discharging apparatus, sheet processing apparatus, and image forming system | Hiroyuki Yamano | 2023-10-03 |
| 11254536 | Image forming apparatus | Kenichirou Isobe, Kenji Ninomiya | 2022-02-22 |
| 10648886 | In-vehicle electronic control unit | Tomofumi Yoshida, Yoshiyasu Futamura | 2020-05-12 |
| 9359159 | Sheet feeding apparatus and image forming apparatus | Takashi Yano | 2016-06-07 |
| 8511671 | Sheet feeding apparatus and image forming apparatus | Masatoshi Takiguchi | 2013-08-20 |
| 8342509 | Sheet feeding apparatus and image forming apparatus | Masatoshi Takiguchi, Shinji Kubo | 2013-01-01 |
| 7920806 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Kazushi Watanabe, Akira Higeta | 2011-04-05 |
| 7660545 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Kazushi Watanabe, Akira Higeta | 2010-02-09 |
| 7630661 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Kazushi Watanabe, Akira Higeta | 2009-12-08 |
| 7489885 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Kazushi Watanabe, Akira Higeta | 2009-02-10 |
| 7231161 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Kazushi Watanabe, Akira Higeta | 2007-06-12 |
| 7177566 | Main frame construction for an image forming apparatus | Takeshi Niimura, Ken Murooka, Takaaki Kawade, Hideki Miyazaki, Yasuzumi Taba +2 more | 2007-02-13 |
| 7092655 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Kazushi Watanabe, Akira Higeta | 2006-08-15 |
| 7082276 | Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus | Toshiyuki Karakama, Tatsuya Shiratori, Shinji Goto, Hironobu Isobe, Fumito Nonaka +1 more | 2006-07-25 |
| 7006776 | Electrophotographic image forming apparatus having opening and closing member for opening and closing an opening through which a process cartridge is mounted | Kenji Matsuzaka | 2006-02-28 |
| 6999696 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Kazushi Watanabe, Akira Higeta | 2006-02-14 |
| 6917774 | PROCESS CARTRIDGE MOUNTING AND DEMOUNTING MECHANISM INCLUDING A GUIDE TO BE POSITIONED, A PROCESS CARTRIDGE DETACHABLY MOUNTABLE TO ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INCLUDING A GUIDE TO BE POSITIONED OR A CARTRIDGE POSITIONING PORTION, AND THE ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS | Ichiro Terada | 2005-07-12 |
| 6909494 | Image forming apparatus | Takaaki Kawade, Ken Murooka, Takeshi Niimura, Tatsuo Hamada, Yasuzumi Taba +1 more | 2005-06-21 |
| 6895199 | PROCESS CARTRIDGE INCLUDING A PROTRUDING MEMBER ENGAGING A REGULATING GUIDE OF AN ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS TO WHICH THE PROCESS CARTRIDGE IS ATTACHABLE AND FROM WHICH THE CARTRIDGE IS DETACHABLE AND SUCH AN ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS | Minoru Sato, Kiyoshi Amano | 2005-05-17 |
| 6876826 | Electrophotographic image forming apparatus having detachable process cartridge | Kenji Matsusaka | 2005-04-05 |