Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778228 | Projection-type display apparatus | Osamu Murakami, Yoshitaka Itoh | 2004-08-17 |
| 6690282 | Light-source lamp unit, light-source device and projection-type display apparatus | Kiyoshi Miyashita, Kazuto Shinohara, Shinji Haba, Tomiyoshi Ushiyama | 2004-02-10 |