Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690282 | Light-source lamp unit, light-source device and projection-type display apparatus | Kiyoshi Miyashita, Kazuto Shinohara, Akitaka Yajima, Tomiyoshi Ushiyama | 2004-02-10 |