Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Masahiko Yatsu, Yuki Matsumiya, Shuji Kato | 2019-01-22 |