Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12282268 | Developing roll and developing device for use in image-forming apparatus using electrophotography | Kosuke Oura, Norimasa HOSONUMA, Atsushi Ikeda, Satoshi Fukuoka, Kenji Sasaki | 2025-04-22 |