Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11385457 | Optical scanning device having rotating polygon mirror, and image forming apparatus including the same | Yoshihiko Tanaka, Naoki Matsushita, Takatoshi Tanaka, Mitsuhiro Ohta, Hiroki Katayama | 2022-07-12 |
| 11353805 | Image forming apparatus to address vibration rigidity of a scanner unit | Shoji Yamamoto, Akira Yoshimura, Shogo Nagamine, Naoki Matsushita, Yoshihiko Tanaka +4 more | 2022-06-07 |
| 11249303 | Rotary polygon mirror, light deflecting unit, and optical scanning apparatus including light deflecting unit | Yoshihiko Tanaka, Naoki Matsushita, Takatoshi Tanaka, Mitsuhiro Ohta, Hiroki Katayama | 2022-02-15 |