Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9952425 | Optical device and image display apparatus | Yasushi Mizoguchi, Shinichi Wakabayashi | 2018-04-24 |
| 9891431 | Optical device, optical device manufacturing method, and image display apparatus | Yasushi Mizoguchi, Makiko Hino | 2018-02-13 |