Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10379451 | Polyarylate resin and electrophotographic photosensitive member | Jun Azuma, Kensuke Okawa, Kenji KITAGUCHI, Tomofumi SHIMIZU | 2019-08-13 |
| 10031431 | Electrophotographic photosensitive member | Jun Azuma, Takahiro Oki, Kensuke Okawa | 2018-07-24 |
| 9939744 | Multi-layer electrophotographic photosensitive member | Jun Azuma, Kensuke Okawa, Junichiro Otsubo | 2018-04-10 |
| 9933712 | Multi-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus | Hideki Okada, Jun Azuma, Kensuke Okawa | 2018-04-03 |
| 9575423 | Electrophotographic photosensitive member | Jun Azuma, Kensuke Okawa, Takahiro Oki | 2017-02-21 |
| 9448496 | Electrophotographic photosensitive member | Jun Azuma, Keiji Maruo, Kensuke Okawa | 2016-09-20 |
| 9436104 | Electrophotographic photosensitive member and image forming apparatus | Jun Azuma, Keiji Maruo, Kensuke Okawa | 2016-09-06 |