Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11383413 | Manufacturing method of polygonal mirror, polygonal mirror, deflector, optical scanning apparatus and image forming apparatus | Fumihiko Yamaya, Hiroki Katayama, Yoshihiko Tanaka, Takatoshi Tanaka, Mitsuhiro Ohta +1 more | 2022-07-12 |
| 11366310 | Polygonal mirror, deflector, optical scanning apparatus and image forming apparatus | Naoki Matsushita, Yoshihiko Tanaka, Takatoshi Tanaka, Fumihiko Yamaya, Mitsuhiro Ohta +1 more | 2022-06-21 |