Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203283 | Headlight apparatus | Toshinori Sugiyama, Koji Hirata | 2021-12-21 |
| 10983342 | Light source apparatus and head up display apparatus | Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu, Kazuomi Kaneko | 2021-04-20 |
| 10933800 | Image projection apparatus | Toshinori Sugiyama, Takuya SHIMIZU | 2021-03-02 |
| 10894508 | Optical device and direction display device | Masahiro Kishigami, Toshinori Sugiyama, Yuji Tsuchiya, Go Shimizu, Masayoshi Takori +1 more | 2021-01-19 |
| 10895744 | Head-up display apparatus and image display apparatus thereof | Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu | 2021-01-19 |