Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10678161 | Electrophotographic member having elastic layer with elastic modulus of 0.5 to 3.0 MPA and coating layer with elastic modulus of 5.0 to 100 MPA | Seiji Tsuru, Ryo Sugiyama, Kazuaki Nagaoka, Minoru Nakamura | 2020-06-09 |
| 10635019 | Developing roller, electrophotographic process cartridge and electrophotographic image forming apparatus | Ryo Sugiyama, Minoru Nakamura, Seiji Tsuru | 2020-04-28 |