Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659424 | Projecting lens and image display device | Atsuo Osawa, Shigeru Mori, Naoyuki Ogura | 1997-08-19 |
| 5613748 | Rear projection type image display apparatus and transmission type screen used therein | Takahiko Yoshida, Koji Hirata, Atsuo Ohsawa, Kiyoshi Wada | 1997-03-25 |
| 5590943 | Rear projection type image display apparatus and transmission type screen used therein | Takahiko Yoshida, Koji Hirata, Atsuo Osawa, Kiyoshi Wada | 1997-01-07 |