Issued Patents 2020
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 10613476 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2020-04-07 |
| 10613465 | Drum cylinder unit, method for attaching coupling member, and drum unit | Shigemi Kamoshida, Ken Kikuchi, Jun Miyamoto, Daisuke Abe | 2020-04-07 |
| 10539915 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi | 2020-01-21 |