Issued Patents 2022
Showing 1–6 of 6 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, Mitsuhiro Ohta, Atsushi Takata +1 more | 2022-07-12 |
| 11385457 | Optical scanning device having rotating polygon mirror, and image forming apparatus including the same | Yoshihiko Tanaka, Hisanori Kobayashi, Naoki Matsushita, Mitsuhiro Ohta, Hiroki Katayama | 2022-07-12 |
| 11366310 | Polygonal mirror, deflector, optical scanning apparatus and image forming apparatus | Naoki Matsushita, Atsushi Takata, Yoshihiko Tanaka, Fumihiko Yamaya, Mitsuhiro Ohta +1 more | 2022-06-21 |
| 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 |
| 11330137 | Image forming apparatus | Rikuo Kawakami | 2022-05-10 |
| 11249303 | Rotary polygon mirror, light deflecting unit, and optical scanning apparatus including light deflecting unit | Hisanori Kobayashi, Yoshihiko Tanaka, Naoki Matsushita, Mitsuhiro Ohta, Hiroki Katayama | 2022-02-15 |