Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10126667 | Quinone derivative and electrophotographic photosensitive member | Fumio Sugai, Kensuke Kojima | 2018-11-13 |
| 10078277 | Electrophotographic photosensitive member | — | 2018-09-18 |
| 9964869 | Triarylamine derivative, electrophotographic photosensitive member, and method for producing electrophotographic photosensitive member | Kensuke Okawa, Jun Azuma, Fumio Sugai, Kensuke Kojima | 2018-05-08 |
| 9952521 | Naphthalenedicarboximide derivative and electrophotographic photosensitive member | — | 2018-04-24 |
| 9933712 | Multi-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus | Akihiko Ogata, Jun Azuma, Kensuke Okawa | 2018-04-03 |