Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156953 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2021-10-26 |
| 11119442 | Photosensitive member unit and development unit | Kenji Matsuda, Ken Kikuchi | 2021-09-14 |