Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067938 | Cleaning unit, cartridge, image forming apparatus | Kohei Matsuda, Hiraku Sasaki, Kentaro Kawata, Yasushi Katsuta, Shun Sato | 2021-07-20 |
| 11016438 | Cartridge, photosensitive member unit and electrophotographic image forming apparatus | Shigemi Kamoshida, Takuya Kawakami, Kazuhiko Kanno | 2021-05-25 |
| 10928768 | Cleaning unit, cartridge, image forming apparatus | Kohei Matsuda, Hiraku Sasaki, Kentaro Kawata, Shun Sato, Yasushi Katsuta | 2021-02-23 |