Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11835878 | Electrophotographic roller, process cartridge and electrophotographic image forming apparatus | Katsuya Kodama, Toshiro Suzuki, Atsushi Uematsu | 2023-12-05 |
| 11644761 | Electrophotographic roller, process cartridge and electrophotographic image forming apparatus | Katsuya Kodama, Toshiro Suzuki, Atsushi Uematsu | 2023-05-09 |
| 10146149 | Charging member, electrophotographic process cartridge, and electrophotographic image forming apparatus | Hiroaki Watanabe, Takumi Furukawa, Yuya Tomomizu, Kenya Terada, Toshiro Suzuki +1 more | 2018-12-04 |
| 9910379 | Charging member with concave portions containing insulating particles and electrophotographic apparatus | Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Yuya Tomomizu, Toshiro Suzuki +1 more | 2018-03-06 |
| 9904199 | Charging member having outer surface with concave portions bearing exposed elastic particles, and electrophotographic apparatus | Kenya Terada, Takumi Furukawa, Hiroaki Watanabe, Yuya Tomomizu, Toshiro Suzuki +1 more | 2018-02-27 |