Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9977368 | Developing apparatus, process cartridge, and image forming apparatus | Hiroki Tanaka, Motonari Ito, Satoshi Sunahara, Toshiki Okamura | 2018-05-22 |
| 9971298 | Image forming apparatus, process cartridge, developing cartridge, and drum cartridge | Toshiki Okamura, Kuniaki Tamagaki, Takanori Watanabe, Hiroyoshi Iwayama, Makoto Tokudome +2 more | 2018-05-15 |
| 9910405 | Developing device, process cartridge, and image forming apparatus | Takanori Watanabe, Kuniaki Tamagaki | 2018-03-06 |
| 9904202 | Image forming apparatus having potential difference control | Kuniaki Tamagaki, Takanori Watanabe | 2018-02-27 |