| 11112718 |
Electrophotographic member, process cartridge, and electrophotographic apparatus |
Fumihiko Utsuno, 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 |
| 10895823 |
Developing roller, process cartridge and electrophotographic image forming apparatus |
Ryo Sugiyama, Kenta Matsunaga, Kazuaki Nagaoka |
2021-01-19 |
| 10895824 |
Developing roller, process cartridge and electrophotographic image forming apparatus |
Ryo Sugiyama, Yoshinobu Ogawa, Tomoya Uesugi, Kenta Matsunaga, Wataru Moriai |
2021-01-19 |
