Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D916958 | Image drum cartridge | Masashi Fujii, Tatsuhiko Shimomura, Junichi Ushikubo | 2021-04-20 |
| D910742 | Image drum cartridge | Masashi Fujii, Tatsuhiko Shimomura, Junichi Ushikubo | 2021-02-16 |
| D910743 | Image drum cartridge | Masashi Fujii, Tatsuhiko Shimomura, Junichi Ushikubo | 2021-02-16 |
| D898820 | Toner cartridge | Junichi Ushikubo, Tatsuhiko Shimomura, Masashi Fujii | 2020-10-13 |
| D898114 | Toner cartridge | Junichi Ushikubo, Tatsuhiko Shimomura, Masashi Fujii | 2020-10-06 |
| D892921 | Toner cartridge | Junichi Ushikubo, Tatsuhiko Shimomura, Masashi Fujii | 2020-08-11 |
| 10606208 | Developer container, image formation unit, and image formation apparatus | Hisatoshi Saito, Tetsu Koyama, Masashi Fujii | 2020-03-31 |
| 10295934 | Toner container, image forming unit, and image forming apparatus | — | 2019-05-21 |
| 9772580 | Development device, image forming unit and image forming apparatus | — | 2017-09-26 |
| 9217952 | Image forming unit and image forming apparatus | Tetsu Koyama | 2015-12-22 |
| 9069283 | Image formation unit and image formation apparatus | — | 2015-06-30 |