Issued Patents 2020
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871723 | Electrophotographic photosensitive member and image forming apparatus | Kensuke Okawa, Seiki Hasunuma | 2020-12-22 |
| 10795273 | Bis-butadiene derivative and electrophotographic photosensitive member | Kensuke Kojima | 2020-10-06 |
| 10761440 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Hiroki Tsurumi, Eiichi Miyamoto | 2020-09-01 |
| 10761439 | Polyarylate resin and electrophotographic photosensitive member | Kensuke Okawa, Seiki Hasunuma, Tomofumi SHIMIZU | 2020-09-01 |
| 10761441 | Production method for electrophotographic photosensitive member | Tomofumi SHIMIZU, Kenji KITAGUCHI, Kiichiro OJI | 2020-09-01 |
| 10730819 | Naphthalenedicarboxylic acid dichloride production method | — | 2020-08-04 |
| 10732526 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Tomofumi SHIMIZU, Keiji Maruo | 2020-08-04 |
| 10649351 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Tomofumi SHIMIZU, Keiji Maruo | 2020-05-12 |