Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11169464 | Electrophotographic member, process cartridge, and electrophotographic image-forming apparatus | Hiroaki Komatsu, Masaki Yamada | 2021-11-09 |
| 11112718 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Masashi Uno, Fumihiko Utsuno, Hiroaki Komatsu, Masaki Yamada | 2021-09-07 |
| 11022904 | Electrophotographic member, process cartridge and electrophotographic image forming apparatus | Masaki Yamada, Hiroaki Komatsu | 2021-06-01 |
| 10969709 | Member for electrophotography, process cartridge and electrophotographic apparatus | Hiroaki Komatsu, Masaki Yamada | 2021-04-06 |
| 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 |
| 10884352 | Electrophotographic member, process cartridge and electrophotographic apparatus | Masaki Yamada, Hiroaki Komatsu | 2021-01-05 |
| 10379460 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Shohei Urushihara, Masaki Yamada | 2019-08-13 |
| 10331054 | Electrophotographic member, process cartridge and electrophotographic image forming apparatus | Shohei Urushihara, Masaki Yamada, Takashi Koyanagi | 2019-06-25 |
| 10108129 | Member for electrophotography and method of producing the member, process cartridge, and electrophotographic apparatus | Sosuke Yamaguchi, Masaki Yamada, Kazuhiro Yamauchi, Satoru Nishioka | 2018-10-23 |
| 10067430 | Member for electrophotography, process cartridge, and electrophotographic apparatus | Shohei Urushihara, Masaki Yamada | 2018-09-04 |
| 10018934 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Masaki Yamada, Sosuke Yamaguchi, Kazuhiro Yamauchi, Satoru Nishioka | 2018-07-10 |
| 9977359 | Electrophotographic member, method of producing the same, process cartridge, and electrophotographic apparatus | Takashi Koyanagi, Masaki Yamada, Shohei Urushihara | 2018-05-22 |
| 9964914 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Masaki Yamada, Sosuke Yamaguchi, Kazuhiro Yamauchi, Satoru Nishioka | 2018-05-08 |
| 9939746 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Shohei Urushihara | 2018-04-10 |
| 9811009 | Electrophotographic member, process cartridge and electrophotographic apparatus | Masaki Yamada, Sosuke Yamaguchi, Kazuhiro Yamauchi, Satoru Nishioka | 2017-11-07 |
| 9665028 | Electrophotographic member, process cartridge and electrophotographic apparatus | Masaki Yamada, Kazuhiro Yamauchi, Satoru Nishioka | 2017-05-30 |
| 9639009 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Sosuke Yamaguchi, Masaki Yamada, Kazuhiro Yamauchi, Satoru Nishioka | 2017-05-02 |
| 9599913 | Electrophotographic member, process cartridge and electrophotographic apparatus | Satoru Nishioka, Kazuhiro Yamauchi, Masahiro Watanabe, Masaki Yamada | 2017-03-21 |