Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798580 | Projection type image display apparatus | Tetsu Ohishi, Hiroki Yoshikawa, Taro Imahase, Tomohiro Miyoshi | 2004-09-28 |
| 6765705 | Optical unit and image display device using thereof | — | 2004-07-20 |
| 6704444 | Color image processing apparatus and color image processing method | Takahiro Yagishita | 2004-03-09 |