Issued Patents All Time
Showing 26–50 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209773 | Cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tadayuki Tsuda, Tetsuya Numata +1 more | 2021-12-28 |
| 11150591 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi | 2021-10-19 |
| 11131959 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2021-09-28 |
| 11067942 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi, Masato Tanabe, Daisuke Abe, Tadayuki Tsuda, Hideshi Kawaguchi | 2021-07-20 |
| 11029640 | Process cartridge | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Naoki Maeda, Satoru Harada | 2021-06-08 |
| 10996620 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tadayuki Tsuda | 2021-05-04 |
| 10948872 | Process cartridge and image forming apparatus having an electrical contact portion mounted on a projection and electrically connected to a storing portion | Tsuyoshi Ogawa, Daisuke Abe, Noriyuki Komatsu, Hideshi Kawaguchi, Tadayuki Tsuda | 2021-03-16 |
| 10831017 | Displacement increasing mechanism and shutter device | Mario Kiuchi, Ryohei UCHINO | 2020-11-10 |
| 10824106 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi | 2020-11-03 |
| 10795309 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2020-10-06 |
| 10671013 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi, Masato Tanabe, Daisuke Abe, Tadayuki Tsuda, Hideshi Kawaguchi | 2020-06-02 |
| 10613465 | Drum cylinder unit, method for attaching coupling member, and drum unit | Shigemi Kamoshida, Ken Kikuchi, Jun Miyamoto, Daisuke Abe | 2020-04-07 |
| 10613476 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2020-04-07 |
| 10539915 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi | 2020-01-21 |
| 10401783 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2019-09-03 |
| 9983542 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2018-05-29 |
| 9766587 | Image forming apparatus and cartridge used therein | Daisuke Hiramatsu, Ken Kikuchi | 2017-09-19 |
| 9581958 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2017-02-28 |
| 9455293 | X-Y address type solid state image pickup device and method of producing the same | Ryoji Suzuki, Keiji Mabuchi | 2016-09-27 |
| 9443897 | X-Y address type solid state image pickup device and method of producing the same | Ryoji Suzuki, Keiji Mabuchi | 2016-09-13 |
| 9195211 | Process cartridge having a link member, electrophotographic image forming apparatus having a link member, and assembly method of process cartridge having a link member | — | 2015-11-24 |
| 9164476 | Toner cartridge having structure for minimizing deformation when gripped | Kazuo Chadani, Shuichi Gofuku | 2015-10-20 |
| 9134688 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2015-09-15 |
| 9134679 | Drum supporting mechanism, process cartridge, and electrophotographic image forming apparatus | — | 2015-09-15 |
| 9110401 | Interval guarantee member, developing apparatus, process cartridge | Hiroki Ogino | 2015-08-18 |