Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10444606 | Projection lens assembly method and projection image display apparatus | Koji Hirata, Yuki Matsumiya, Shuji Kato | 2019-10-15 |
| 10309602 | Vehicular lighting apparatus | Koji Hirata, Hiroyuki Kajikawa, Hiroyuki Nakamura | 2019-06-04 |
| 10310257 | Head-up display device | Koji Hirata, Akio MISAWA | 2019-06-04 |
| 10265831 | Method for manufacturing lens, method for manufacturing molding die for lens, method for manufacturing mirror, method for manufacturing molding die for mirror, lens and molding die for lens | Koji Hirata, Shuji Kato, Yuki Matsumiya | 2019-04-23 |
| 10214141 | Headlight device and vehicle device using same | — | 2019-02-26 |
| 10185060 | Free-form surface lens, method of designing free-form surface lens, free-form surface mirror, method of designing free-form surface mirror, and projection type video display apparatus | Koji Hirata, Yuki Matsumiya, Shuji Kato, Kayono Kimura | 2019-01-22 |