Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814444 | Image projection system and a method of controlling a projected pointer | — | 2004-11-09 |
| 6690282 | Light-source lamp unit, light-source device and projection-type display apparatus | Kazuto Shinohara, Shinji Haba, Akitaka Yajima, Tomiyoshi Ushiyama | 2004-02-10 |