Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379690 | Drum cartridge including first memory having first electrical contact surface and second memory having second electrical contact surface and process cartridge including developing cartridge and the drum cartridge | Yasuo Fukamachi | 2025-08-05 |
| 12282290 | Process cartridge including drum cartridge having first holder, developing cartridge having second holder, and plate for connecting first holder and second holder to each other | Yasuo Fukamachi, Junya Sumida, Kazutoshi Nakamura, Hideshi Nishiyama | 2025-04-22 |
| 12259675 | Process cartridge including developing cartridge having developing holder, and drum cartridge having elastic member that can be connected to developing holder | Yasuo Fukamachi, Kazutoshi Nakamura, Junya Sumida, Hideshi Nishiyama | 2025-03-25 |
| 12242213 | Cartridge including holder that holds electrical contact surface and has hole overlapped with the same | Nao Itabashi, Masaaki Furukawa, Shuhei Hatano, Yasuo Fukamachi | 2025-03-04 |
| 12210300 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Tomitake Aratachi, Yasuo Fukamachi, Junichi Hashimoto, Saya Minoshima +4 more | 2025-01-28 |