Issued Patents 2020
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10845755 | Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same | Isao Kishi, Yohei Hashimoto, Kouji Watanabe, Makoto Souda | 2020-11-24 |
| 10845731 | Developer cartridge mountable to a drum cartridge | — | 2020-11-24 |
| 10782644 | Developing cartridge | Junichi Yokoi | 2020-09-22 |
| 10768550 | Developing cartridge including developing roller and coupling | Hideshi Nishiyama, Yasuo Fukamachi | 2020-09-08 |
| 10670994 | Developing cartridge including housing and gear | — | 2020-06-02 |
| 10649369 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2020-05-12 |
| 10620580 | Developing cartridge provided with cover | Naoya Kamimura, Ryuya Yamazaki, Hideshi Nishiyama | 2020-04-14 |
| 10585373 | Image forming apparatus capable of applying appropriate voltage to developing roller irrespective of deviation in pressing force of pressing member | Toshiyuki Sano | 2020-03-10 |
| 10571828 | Developing cartridge including developing roller and coupling | Hideshi Nishiyama, Yasuo Fukamachi | 2020-02-25 |
| 10564599 | Image forming apparatus capable of determining whether toner cartridge is attached to appropriate slot provided in main casing | Takashi Suzuki, Tomoyasu Yabuki, Tadao Kyotani | 2020-02-18 |
| 10564596 | Image forming apparatus having a drawer including an exposure head | Masamitsu Ukai, Masato Makino | 2020-02-18 |
| 10545429 | Developing cartridge | — | 2020-01-28 |