Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11853001 | Development device and image formation apparatus | Yuuki Kobayashi | 2023-12-26 |
| 11112746 | Image forming apparatus and detachable part | — | 2021-09-07 |
| D916958 | Image drum cartridge | Masashi Fujii, Tatsuhiko Shimomura, Shun Hatanaka | 2021-04-20 |
| D910742 | Image drum cartridge | Masashi Fujii, Tatsuhiko Shimomura, Shun Hatanaka | 2021-02-16 |
| D910743 | Image drum cartridge | Masashi Fujii, Tatsuhiko Shimomura, Shun Hatanaka | 2021-02-16 |
| 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 |
| 10386750 | Image forming unit and developer container | — | 2019-08-20 |
| 10168638 | Developer container holder, developer container, and image forming apparatus | — | 2019-01-01 |
| 10061262 | Developer container attached detachably to attachment unit of image forming unit, image forming unit, and image forming apparatus | — | 2018-08-28 |
| 9188938 | Developer collection container and image formation apparatus | — | 2015-11-17 |
| 9069320 | Cleaning device, image forming unit and image forming apparatus | — | 2015-06-30 |
| 8655236 | Developer storage body, image forming unit and image forming apparatus | — | 2014-02-18 |
| D674005 | Toner cartridge | Osamu Teramura, Tatsuhiko Shimomura | 2013-01-08 |
| D674007 | Image drum cartridge | Tatsuhiko Shimomura, Osamu Teramura | 2013-01-08 |
| D674004 | Toner cartridge | Tatsuhiko Shimomura, Osamu Teramura | 2013-01-08 |
| 8131200 | Cleaning device and image forming device | — | 2012-03-06 |
| 8032038 | Developing device and image forming apparatus | — | 2011-10-04 |
| 7668482 | Sticking substance removing apparatus and image forming apparatus | — | 2010-02-23 |