Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10852539 | Projection optical system, head-up display device, and vehicle | Masahiko Yatsu, Koji Hirata | 2020-12-01 |
| 10814723 | Projection optical system, and head-up display device | Masahiko Yatsu, Koji Hirata | 2020-10-27 |
| 10788665 | Projection optical system and head-up display device | Masahiko Yatsu, Kazuomi Kaneko | 2020-09-29 |