Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342929 | Projection image display apparatus | Koji Hirata, Kazunari Nakagawa, Tomoharu Nakiri, Naoyuki Ogura | 2002-01-29 |
| 6115081 | Projection image display apparatus | Koji Hirata, Kazunari Nakagawa, Tomoharu Nakiri, Naoyuki Ogura | 2000-09-05 |