Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10712684 | Developing roller, electrophotographic process cartridge and electrophotographic image forming apparatus | Kazuhito Wakabayashi, Kazuaki Nagaoka, Ryo Sugiyama, Minoru Nakamura | 2020-07-14 |