Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 10895824 | Developing roller, process cartridge and electrophotographic image forming apparatus | Ryo Sugiyama, Yoshinobu Ogawa, Masashi Uno, Tomoya Uesugi, Kenta Matsunaga | 2021-01-19 |
| 10732538 | Developing member, process cartridge, and electrophotographic image forming apparatus | Minoru Nakamura, Toru Ishii, Kazutoshi Ishida | 2020-08-04 |
| 10539891 | Electrophotographic member, process cartridge and electrophotographic image forming apparatus | Toru Ishii, Kazutoshi Ishida | 2020-01-21 |
| 10365580 | Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatus | Kunimasa Kawamura, Makoto Souma | 2019-07-30 |