Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9739985 | Projection lens and projection display apparatus | Tomoyuki Baba, Yukiko Nagatoshi, Masaru Amano, Akiko Nagahara | 2017-08-22 |
| 9557538 | Projection zoom lens and projection type display device | Masaru Amano, Yukiko Nagatoshi | 2017-01-31 |
| 9541743 | Projection zoom lens and projection type display device | Masaru Amano, Yukiko Nagatoshi | 2017-01-10 |