Issued Patents All Time
Showing 26–50 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859942 | Developer cartridge | Yuwen Wang, Kazuaki Ooka, Junichi Hashimoto | 2020-12-08 |
| 10852685 | Drum cartridge and image forming apparatus | Yuwen Wang | 2020-12-01 |
| 10845755 | 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 | 2020-11-24 |
| 10761459 | Drum cartridge and image forming apparatus | — | 2020-09-01 |
| 10754289 | Drawer including photosensitive drum and frame, and image forming apparatus provided with the same | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2020-08-25 |
| 10725427 | Drum unit | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2020-07-28 |
| 10649397 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2020-05-12 |
| 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 |
| 9904243 | Developer cartridge | Junichi Hashimoto, Yasushi Okabe | 2018-02-27 |
| 9864330 | Developer cartridge | Junichi Hashimoto, Yasushi Okabe | 2018-01-09 |
| 9841723 | Image forming apparatus and tandem type photosensitive unit | Yasushi Okabe, Junichi Hashimoto | 2017-12-12 |
| 9753428 | Cartridge provided with coil-shaped electrode member | Junichi Hashimoto, Shota Shinoya, Koji Abe, Yasushi Okabe | 2017-09-05 |
| 9581960 | Cartridge provided with coil-shaped electrode member | Junichi Hashimoto, Shota Shinoya, Koji Abe, Yasushi Okabe | 2017-02-28 |
| 9423768 | Image forming apparatus and tandem type photosensitive unit | Yasushi Okabe, Junichi Hashimoto | 2016-08-23 |
| 9201390 | Developer cartridge | Junichi Hashimoto, Yasushi Okabe | 2015-12-01 |
| 9182735 | Developer cartridge | Junichi Hashimoto, Yasushi Okabe | 2015-11-10 |
| 9182734 | Developer cartridge | Junichi Hashimoto, Yasushi Okabe | 2015-11-10 |
| 9134691 | Image forming apparatus and tandem type photosensitive unit | Yasushi Okabe, Junichi Hashimoto | 2015-09-15 |
| 9052684 | Developer cartridge | Junichi Hashimoto, Yasushi Okabe | 2015-06-09 |