Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156954 | Image forming apparatus including a movable engageable member and process cartridge including a force receiving portion | Akira Yoshimura, Tomio Noguchi, Yukio Kubo, Masaaki Sato, Yosuke Kashiide | 2021-10-26 |
| 11112751 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Masatoshi Yamashita | 2021-09-07 |
| 10996623 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Masatoshi Yamashita, Kazuhiko Kanno | 2021-05-04 |
| 10901365 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Masatoshi Yamashita | 2021-01-26 |