Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451961 | Focus adjustment system for an image display device | Kiichiro Nishina, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2019-10-22 |
| 10338381 | Image display apparatus and head-up display system | — | 2019-07-02 |
| 10310238 | Magnification optical system | Kiichiro Nishina, Yasuyuki Shibayama, Takanobu Osaka, Makoto Hirakawa | 2019-06-04 |
| 10241308 | Projection optical system including movable lens groups and image display apparatus | Yohei Takano, Nobuyuki Arai, Hirotoshi Nakayama | 2019-03-26 |
| 10228546 | Projection optical system, projection apparatus, and projection system | Yohei Takano, Yasuyuki Shibayama | 2019-03-12 |
| 10175568 | Projective optical system and image projection device including a shielding unit | — | 2019-01-08 |