Issued Patents 2019
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520855 | Developing cartridge having coupling and developing roller | Naoya Kamimura | 2019-12-31 |
| 10496011 | Developing cartridge having coupling and developing roller | Naoya Kamimura | 2019-12-03 |
| 10459398 | Developing cartridge having electric contact surface | Hideshi Nishiyama | 2019-10-29 |
| 10444667 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2019-10-15 |
| 10401784 | Image forming apparatus having rotatably mounted drum cartridge | — | 2019-09-03 |
| 10401789 | 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 | 2019-09-03 |
| 10386780 | Image forming apparatus | — | 2019-08-20 |
| 10372064 | Configuration for stopping movement of a status specifying element for a developing cartridge including gear and rotating portion | Shota Shinoya | 2019-08-06 |
| 10310413 | Developing cartridge including developing roller having developing roller shaft | Hideshi Nishiyama, Yasuo Fukamachi | 2019-06-04 |
| 10310414 | Developing cartridge including housing and gear | — | 2019-06-04 |
| 10303088 | Developing cartridge including developing roller and gear | — | 2019-05-28 |
| 10303112 | Developing cartridge provided with cover | Naoya Kamimura, Ryuya Yamazaki, Hideshi Nishiyama | 2019-05-28 |
| 10254708 | Image forming apparatus having a developing cartridge with a storage medium and an electrical contact surface | — | 2019-04-09 |
| 10254681 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2019-04-09 |
| 10248075 | Image forming apparatus including developing cartridge having electrical contact surface | — | 2019-04-02 |
| 10234818 | Developing cartridge having arrangement of chip holder and coupling to provide compact cartridge | — | 2019-03-19 |
| 10203651 | Developing Cartridge | Junichi Yokoi | 2019-02-12 |
| 10191408 | Image forming apparatus and cartridge including detection gear | Tadao Kyotani | 2019-01-29 |
| 10175637 | Developing cartridge having contact surface | Hideshi Nishiyama | 2019-01-08 |