Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12032331 | Electroconductive member, process cartridge, and electrophotographic image forming apparatus | Yuichi Kikuchi, Masatsugu Hongo, Mototeru Goto, Masaki Tsunoda, NAO HIGUCHI | 2024-07-09 |
| 11835878 | Electrophotographic roller, process cartridge and electrophotographic image forming apparatus | Katsuya Kodama, Toshiro Suzuki, Kenichi Yazawa | 2023-12-05 |
| 11644761 | Electrophotographic roller, process cartridge and electrophotographic image forming apparatus | Katsuya Kodama, Toshiro Suzuki, Kenichi Yazawa | 2023-05-09 |
| 11619890 | Electro-conductive member, manufacturing method thereof, process cartridge, and electrophotographic image forming apparatus | Takumi Furukawa, Takashi Hiramatsu | 2023-04-04 |
| 10248042 | Electrophotographic roller, process cartridge and electrophotographic apparatus | Mototeru Goto, Masataka Kodama | 2019-04-02 |
| 10025216 | Charging member with electro-conductive elastic layer having exposed bowl-shaped resin particles, process cartridge and electrophotographic apparatus | Tomohito Taniguchi, Masahiro Watanabe, Noboru Miyagawa, Taichi Sato, Takehiko Aoyama | 2018-07-17 |
| 9678452 | Roller for electrophotography, process cartridge, and image-forming apparatus | Masahiro Watanabe, Tomohito Taniguchi, Noboru Miyagawa, Taichi Sato, Takehiko Aoyama +1 more | 2017-06-13 |
| 9599914 | Electrophotographic member having bow-shaped resin particles defining concavity and protrusion at surface thereof | Tomohito Taniguchi, Masahiro Watanabe, Noboru Miyagawa, Taichi Sato, Takehiko Aoyama +1 more | 2017-03-21 |
| 9448502 | Charging member, process cartridge and electrophotographic apparatus | Tomohito Taniguchi, Taichi Sato | 2016-09-20 |
| 9411307 | Process cartridge and electrophotographic apparatus | Hidekazu Matsuda, Daisuke Tanaka | 2016-08-09 |
| 9335650 | Image forming apparatus and process cartridge utilizing a porous charging member | Takehiko Aoyama, Tomohito Taniguchi, Noboru Miyagawa, Taichi Sato, Masahiro Watanabe +1 more | 2016-05-10 |
| 9304429 | Charging member, process cartridge, and electrophotographic apparatus | Noboru Miyagawa, Tomohito Taniguchi, Masahiro Watanabe, Taichi Sato, Takehiko Aoyama | 2016-04-05 |
| 9291936 | Image-forming apparatus with electro-conductive resin layer having resin particles and process cartridge | Tomohito Taniguchi, Takehiko Aoyama, Taichi Sato, Noboru Miyagawa, Masahiro Watanabe +1 more | 2016-03-22 |
| 9274442 | Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusion | Taichi Sato, Tomohito Taniguchi, Noboru Miyagawa, Takehiko Aoyama, Masahiro Watanabe +6 more | 2016-03-01 |
| 9098006 | Roller member for electrophotography, process cartridge and electrophotographic apparatus | Noboru Miyagawa, Taichi Sato | 2015-08-04 |
| 9075333 | Charging member, process cartridge, and electrophotographic apparatus | Tomohito Taniguchi, Taichi Sato | 2015-07-07 |
| 8446650 | Document conveying device and document reading apparatus the same | Toru Uchida, Yasukazu Nagura | 2013-05-21 |