Issued Patents 2021
Showing 1–8 of 8 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 |
| 11209749 | Process cartridge having toner receiving portion | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Masakazu Tatsumi | 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 |