| 10976683 |
Electrophotographic member, electrophotographic process cartridge, and electrophotographic image forming apparatus |
Kazutoshi Ishida, Yuji Sakurai, Minoru Nakamura, Toru Ishii, Kenta Matsunaga |
2021-04-13 |
| 10942471 |
Electrophotographic member having a surface layer with a cross-linked urethane resin-containing matrix, process cartridge, and apparatus |
Yoshinobu Ogawa, Kazuaki Nagaoka, Kenta Matsunaga, Toru Ishii, Hideya Arimura +4 more |
2021-03-09 |
| 10935903 |
Developing roller, process cartridge and image forming apparatus |
Yuji Sakurai, Kazutoshi Ishida |
2021-03-02 |
| 10895823 |
Developing roller, process cartridge and electrophotographic image forming apparatus |
Masashi Uno, Kenta Matsunaga, Kazuaki Nagaoka |
2021-01-19 |
| 10895824 |
Developing roller, process cartridge and electrophotographic image forming apparatus |
Yoshinobu Ogawa, Masashi Uno, Tomoya Uesugi, Kenta Matsunaga, Wataru Moriai |
2021-01-19 |
