Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11042013 | Projection optical system and image projection device | Takashi Kubota | 2021-06-22 |
| 11042082 | Projection optical system including movable lens groups, a non-movable lens group, and a curved mirror | Yohei Takano, Nobuyuki Arai, Hirotoshi Nakayama | 2021-06-22 |
| 10962750 | Projection optical system, projection apparatus, and projection system | Yohei Takano, Yasuyuki Shibayama | 2021-03-30 |