Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112718 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Masashi Uno, Hideya Arimura, Hiroaki Komatsu, Masaki Yamada | 2021-09-07 |
| 10942471 | Electrophotographic member having a surface layer with a cross-linked urethane resin-containing matrix, process cartridge, and apparatus | Yoshinobu Ogawa, Ryo Sugiyama, Kazuaki Nagaoka, Kenta Matsunaga, Toru Ishii +4 more | 2021-03-09 |
| 10831126 | Developing roller having crown-shaped electro-conductive layer with outer surface providing electrically insulating first regions adjacent to second regions having higher conductivity | Kenta Matsunaga, Minoru Nakamura, Kazuaki Nagaoka, Ryo Sugiyama, Masashi Uno | 2020-11-10 |
| 10831127 | Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatus | Minoru Nakamura, Kazuaki Nagaoka, Ryo Sugiyama | 2020-11-10 |
| 10303079 | Electrophotographic member, process cartridge and electrophotographic apparatus | Masaki Yamada, Hiroaki Komatsu | 2019-05-28 |