Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112712 | Toner | Tomonori Matsunaga, Hidekazu Fumita, Shohei Tsuda | 2021-09-07 |
| 11061342 | Electrophotographic apparatus, process cartridge and cartridge set | Tsuneyoshi Tominaga, Shohei Tsuda, Shohei Kototani, Masahiro Kurachi, Kazuhiro Yamauchi +1 more | 2021-07-13 |
| 11022933 | Process cartridge, image forming apparatus and cleaning apparatus | Kazunori Hashimoto, Katsuhiro Kojima, Toshiaki Takeuchi, Yasukazu Ikami, Kosuke Ikada +8 more | 2021-06-01 |
| 10976678 | Toner | Kentaro Yamawaki, Shohei Kototani, Tomonori Matsunaga, Shohei Tsuda, Satoshi Otsuji | 2021-04-13 |