Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D898820 | Toner cartridge | Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka | 2020-10-13 |
| D898114 | Toner cartridge | Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka | 2020-10-06 |
| D892921 | Toner cartridge | Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka | 2020-08-11 |
| 10670988 | Developer container, image forming unit, and image forming apparatus | Masashi Fujii | 2020-06-02 |