Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11573524 | Process cartridge and image forming apparatus | Masaaki Sato | 2023-02-07 |
| 11392082 | Cartridge with a mechanism for transmitting a force to a developing roller of the cartridge | Shinichi Nishida, Yuichi Fukui, Tetsushi Uneme, Yasuyuki Egami, Yohei Anzai +3 more | 2022-07-19 |
| 11175624 | Process cartridge and image forming apparatus | Masaaki Sato | 2021-11-16 |
| 10824110 | Process cartridge and image forming apparatus | Masaaki Sato | 2020-11-03 |
| 10705481 | Process cartridge | Kenji Hasegawa, Masanari Morioka, Yasuyuki Egami, Tetsushi Uneme, Naoki Hayashi | 2020-07-07 |
| 10534313 | Process cartridge and image forming apparatus | Masaaki Sato | 2020-01-14 |