Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10642189 | Developer container unit, developing apparatus, and process cartridge | Koji Yamaguchi, Fumito Nonaka, Hiroki Ogino, Shunsuke Uratani | 2020-05-05 |
| 10620567 | Developer accommodating unit, process cartridge and electrophotographic image forming apparatus | Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui +1 more | 2020-04-14 |
| 10571857 | Rotatable member, process cartridge and image forming apparatus | Fumito Nonaka, Koji Yamaguchi, Makoto Hayashida | 2020-02-25 |