Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448877 | Projection optical system and head-up display | Masahiko Yatsu, Koji Hirata | 2022-09-20 |
| 11448878 | Head up display | Hidemi Yamada, Toshinori Sugiyama | 2022-09-20 |
| 11221480 | Information display apparatus | Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko | 2022-01-11 |