Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9739985 | Projection lens and projection display apparatus | Tomoyuki Baba, Yukiko Nagatoshi, Masanao Kawana, Masaru Amano | 2017-08-22 |
| 9739989 | Projection zoom lens and projection type display device | — | 2017-08-22 |
| 9664884 | Projection zoom lens and projection type display device | Michio Cho | 2017-05-30 |
| 9557537 | Zoom lens for projection and projection-type display apparatus | — | 2017-01-31 |