Issued Patents 2019
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520853 | Developer cartridge | Yuwen Wang, Kazuaki Ooka, Junichi Hashimoto | 2019-12-31 |
| 10488813 | Drum unit | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2019-11-26 |
| 10459399 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2019-10-29 |
| 10401789 | Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same | Nao Itabashi, Yohei Hashimoto, Kouji Watanabe, Makoto Souda | 2019-09-03 |
| 10401782 | Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same | — | 2019-09-03 |
| 10216139 | Image forming apparatus and tandem type photosensitive unit | Yasushi Okabe, Junichi Hashimoto | 2019-02-26 |
| 10175639 | Developer cartridge | Junichi Hashimoto, Yasushi Okabe | 2019-01-08 |