Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148584 | Vehicular lighting apparatus | Koji Hirata, Masahiko Yatsu, Hiroyuki Nakamura | 2021-10-19 |
| 10942353 | Information display device | Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko | 2021-03-09 |