Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11243481 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Kazuaki EZURE, Hayase Yamamoto | 2022-02-08 |
| 11204561 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Kazuaki EZURE, Hayase Yamamoto | 2021-12-21 |
| 11092904 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | — | 2021-08-17 |
| 11067909 | Terphenyl compound, electrophotographic photosensitive member, and method for producing terphenyl compound | Jun Azuma, Kensuke Kojima, Hideki Okada | 2021-07-20 |
| 10996575 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Kazuaki EZURE, Hayase Yamamoto, Jun Azuma | 2021-05-04 |
| 10761441 | Production method for electrophotographic photosensitive member | Jun Azuma, Kenji KITAGUCHI, Kiichiro OJI | 2020-09-01 |
| 10761439 | Polyarylate resin and electrophotographic photosensitive member | Jun Azuma, Kensuke Okawa, Seiki Hasunuma | 2020-09-01 |
| 10732526 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Keiji Maruo, Jun Azuma | 2020-08-04 |
| 10656543 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Hideki Okada | 2020-05-19 |
| 10649351 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Jun Azuma, Keiji Maruo | 2020-05-12 |
| 10635009 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | — | 2020-04-28 |
| 10545418 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Hideki Okada | 2020-01-28 |
| 10509337 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | — | 2019-12-17 |
| 10481511 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Kiichiro OJI | 2019-11-19 |
| 10379451 | Polyarylate resin and electrophotographic photosensitive member | Jun Azuma, Kensuke Okawa, Akihiko Ogata, Kenji KITAGUCHI | 2019-08-13 |
| 10372047 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Kiichiro OJI | 2019-08-06 |
| 10372048 | Electrophotographic photosensitive member | Jun Azuma, Kensuke Kojima | 2019-08-06 |
| 10359713 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Jun Azuma | 2019-07-23 |
| 10295918 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Keiji Maruo, Jun Azuma | 2019-05-21 |
| 10273331 | Polyarylate resin and electrophotographic photosensitive member | Jun Azuma, Kenji KITAGUCHI, Kensuke Okawa, Seiki Hasunuma | 2019-04-30 |
| 10241428 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Keiji Maruo | 2019-03-26 |
| 10191397 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Keiji Maruo, Jun Azuma | 2019-01-29 |
| 10007199 | Single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus | Junichiro Otsubo, Yasuhiro Oishi | 2018-06-26 |
| 10001716 | Positively chargeable single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus | Makoto Shishido | 2018-06-19 |
| 9541849 | Positively chargeable single-layer electrophotographic photosensitive member and image forming apparatus | Hiroki Tsurumi, Yohei Yamamoto, Eiichi Miyamoto | 2017-01-10 |