Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11086248 | Image forming apparatus with fan configured for dust-resistant cooling of optical scanning unit | Mitsuhiro Ohta, Hisanori Kobayashi, Takatoshi Tanaka, Naoki Matsushita, Hiroki Katayama | 2021-08-10 |
| 11022908 | Image forming apparatus | Shoji Yamamoto, Akira Yoshimura, Shogo Nagamine, Naoki Matsushita, Hisanori Kobayashi +4 more | 2021-06-01 |
| 10976541 | Scanning optical device and image forming apparatus | Naoki Matsushita, Fumihiko Yamaya | 2021-04-13 |