Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209722 | Projection optical system and image projection device | — | 2021-12-28 |
| 10928611 | Lens module and projector | Susumu Ichikawa, Takashi Kobayashi, Fumihiko Hanzawa, Masami Sato | 2021-02-23 |