Issued Patents 2021
Showing 1–2 of 2 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 | Ryo Sugiyama, Kazuaki Nagaoka, Kenta Matsunaga, Toru Ishii, Hideya Arimura +4 more | 2021-03-09 |
| 10895824 | Developing roller, process cartridge and electrophotographic image forming apparatus | Ryo Sugiyama, Masashi Uno, Tomoya Uesugi, Kenta Matsunaga, Wataru Moriai | 2021-01-19 |