Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520853 | Developer cartridge | Kazuaki Ooka, Isao Kishi, Junichi Hashimoto | 2019-12-31 |
| 10488813 | Drum unit | Junichi Hashimoto, Isao Kishi, Kazuaki Ooka | 2019-11-26 |
| 10459399 | Developing cartridge including shaft and cam having cam surface | Junichi Hashimoto, Isao Kishi, Kazuaki Ooka | 2019-10-29 |
| 10448480 | LED driver with comprehensive fault protections | Enzhu Liang, Ming Gu | 2019-10-15 |