Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11003120 | Fixing method for regulating blade | Arata Tojo, Masafumi Takahashi, Tomohiro Shiomi, Shunichi Koga | 2021-05-11 |
| 10908535 | Method for fixing regulating blade, developing device, developer bearing member, and magnet | Masafumi Takahashi, Tomohiro Shiomi, Shunichi Koga, Osamu Ariizumi, Hideaki Suzuki | 2021-02-02 |