Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11042082 | Projection optical system including movable lens groups, a non-movable lens group, and a curved mirror | Yohei Takano, Hibiki Tatsuno, Nobuyuki Arai | 2021-06-22 |
| 10890840 | Projection optical system unit, projection optical system, and projection optical apparatus | Yohei Takano | 2021-01-12 |