Issued Patents 2025
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416896 | Developing cartridge provided with cover | Nao Itabashi, Ryuya Yamazaki, Hideshi Nishiyama | 2025-09-16 |
| 12379680 | Developing cartridge having coupling and developing roller | Nao Itabashi | 2025-08-05 |
| 12366821 | Drum cartridge including electrical contact surface movable relative to drum frame | Nao Itabashi | 2025-07-22 |
| 12321110 | Developing cartridge having coupling and developing roller | Nao Itabashi | 2025-06-03 |
| 12314002 | Drum cartridge including electrical contact surface positioned at outer surface of drum frame | Koji Abe | 2025-05-27 |
| 12282270 | Developer cartridge provided with gear having engagement portions | Keita Shimizu, Takashi Shimizu, Hideshi Nishiyama, Tomonori Watanabe | 2025-04-22 |
| 12210300 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Tomitake Aratachi, Yasuo Fukamachi, Junichi Hashimoto, Saya Minoshima, Nao Itabashi +4 more | 2025-01-28 |
| 12204274 | Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade | Atsushi Fukaya, Tomoya Ichikawa, Koji Abe | 2025-01-21 |