Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11269265 | Developing roller | Sotaro Yamashita | 2022-03-08 |
| 10025222 | Roller and image forming apparatus using same | — | 2018-07-17 |
| 9874832 | Roller and image forming apparatus using same | — | 2018-01-23 |
| 9026014 | Developing roller | Akihide Oosaku, Shogo Imai | 2015-05-05 |