Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565211 | Projection type display device | Atsushi Sekine, Tetsuo Hattori | 2003-05-20 |
| 6507326 | Color-projection apparatus operable to project a high-contrast image with minimal change in the state or phase of polarization of light flux | Tetsuo Hattori | 2003-01-14 |