Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10884346 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Eiichi Miyamoto | 2021-01-05 |
| 10761440 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Eiichi Miyamoto, Jun Azuma | 2020-09-01 |
| 10078276 | Positively chargeable single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus | Eiichi Miyamoto | 2018-09-18 |
| 9785062 | Positively chargeable single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus | Eiichi Miyamoto | 2017-10-10 |
| 9690217 | Triarylamine derivative, electrophotographic photosensitive member, and image forming apparatus | Hideki Okada, Fumio Sugai, Kensuke Kojima, Yohei Yamamoto, Eiichi Miyamoto | 2017-06-27 |
| 9684253 | Triphenylamine derivative, electrophotographic photosensitive member, and image forming apparatus | Hideki Okada, Kensuke Kojima, Fumio Sugai, Yohei Yamamoto, Eiichi Miyamoto | 2017-06-20 |
| 9541849 | Positively chargeable single-layer electrophotographic photosensitive member and image forming apparatus | Tomofumi SHIMIZU, Yohei Yamamoto, Eiichi Miyamoto | 2017-01-10 |
| 8980507 | Positively chargeable monolayer electrophotographic photosensitive member and image forming apparatus | Tomofumi SHIMIZU, Eiichi Miyamoto | 2015-03-17 |