Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271148 | 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 | 2025-04-08 |
| 12197168 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2025-01-14 |