Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11640122 | Electroconductive member, process cartridge, and image forming apparatus | Yuichi Kikuchi, Satoru Nishioka, Kenji Takashima, Kazuhiro Yamauchi, Masahiro Kurachi +4 more | 2023-05-02 |
| 11397388 | Process for producing an electrophotographic electroconductive member | Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kazuhiro Yamauchi +5 more | 2022-07-26 |
| 11385559 | Electroconductive member, process cartridge, and image forming apparatus | Yuichi Kikuchi, Satoru Nishioka, Kenji Takashima, Kazuhiro Yamauchi, Masahiro Kurachi +4 more | 2022-07-12 |
| 11307509 | Electro-conductive member, method for producing same, process cartridge and electrophotographic image forming apparatus | Tetsuo Hino, Yasuhiro Fushimoto, Norifumi Muranaka, Masafumi Kyogaku, Masaki Yamada +5 more | 2022-04-19 |
| 11175602 | Electroconductive member, process cartridge, and electrophotographic image forming apparatus | Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kazuhiro Yamauchi +5 more | 2021-11-16 |
| 11112748 | Developing member, process cartridge and electrophotographic apparatus | Masaki Yamada, Yuichi Kikuchi, Tetsuo Hino, Kazuhiro Yamauchi, Takumi Furukawa +3 more | 2021-09-07 |
| 10558136 | Charging member, manufacturing method of charging member, electrophotographic apparatus, and process cartridge | Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Yuya Tomomizu | 2020-02-11 |
| 10139747 | Electrophotographic roller and charging apparatus | Satoru Yamada, Toshiro Suzuki, Yuya Tomomizu | 2018-11-27 |
| 6703094 | Charging member, process cartridge and electrophotographic apparatus | Hitoshi Kakii, Kan Ikeda, Takeshi Suzuki, Daisuke Yamada, Mie Takahashi +1 more | 2004-03-09 |