Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10241308 | Projection optical system including movable lens groups and image display apparatus | Hibiki Tatsuno, Nobuyuki Arai, Hirotoshi Nakayama | 2019-03-26 |
| 10228546 | Projection optical system, projection apparatus, and projection system | Hibiki Tatsuno, Yasuyuki Shibayama | 2019-03-12 |