Issued Patents All Time
Showing 1–25 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11940756 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2024-03-26 |
| 11543769 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2023-01-03 |
| 11172121 | Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention | Masato Tanabe, Yasunori Toriyama, Sadaaki Tani, Yuuki Nakamura | 2021-11-09 |
| 11131959 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2021-09-28 |
| 10880469 | Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention | Masato Tanabe, Yasunori Toriyama, Sadaaki Tani, Yuuki Nakamura | 2020-12-29 |
| 10795309 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2020-10-06 |
| 10613476 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2020-04-07 |
| 10582114 | Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention | Masato Tanabe, Yasunori Toriyama, Sadaaki Tani, Yuuki Nakamura | 2020-03-03 |
| 10401783 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2019-09-03 |
| 10156827 | Cartridge and image forming apparatus | Tetsuya Numata, Takuya Kawakami | 2018-12-18 |
| 9983542 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2018-05-29 |
| 9836016 | Image forming apparatus and cartridge | Takuya Kawakami, Go Torii | 2017-12-05 |
| 9720373 | Image forming apparatus, cartridge and image forming apparatus system | Masato Tanabe, Yasunori Toriyama, Sadaaki Tani, Yuuki Nakamura | 2017-08-01 |
| 9581958 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2017-02-28 |
| 9360825 | Cleaning device, process cartridge, and electrophotographic image forming apparatus | Hideki Kakuta, Keisuke Nomura | 2016-06-07 |
| 9164476 | Toner cartridge having structure for minimizing deformation when gripped | Tomonori Mori, Shuichi Gofuku | 2015-10-20 |
| 9134688 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2015-09-15 |
| 9116503 | Developing unit, process cartridge and electrophotographic image forming apparatus | Yu Fukasawa, Kuniaki Hirukawa | 2015-08-25 |
| 9058018 | Process cartridge and image forming apparatus | Osamu Koyama, Shuichi Gofuku | 2015-06-16 |
| 8909092 | Process cartridge and electrophotographic image forming apparatus to charge a photosensitive drum | Osamu Koyama, Yasunori Toriyama | 2014-12-09 |
| 8886109 | Cleaning unit, process cartridge, and electrophotographic image forming apparatus | Akihiro Fujiwara, Susumu Nittani, Masato Tanabe, Hideki Kakuta, Keisuke Nomura | 2014-11-11 |
| 8682200 | Process cartridge and image forming apparatus | Osamu Koyama, Shuichi Gofuku | 2014-03-25 |
| 8639160 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2014-01-28 |
| 8588647 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2013-11-19 |
| 8583007 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2013-11-12 |