Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819464 | Optical modulator, optical device and projector | Yoshiyuki Yanagisawa | 2004-11-16 |
| 6742900 | Projector | — | 2004-06-01 |
| 6702443 | Projector | Takeshi Takezawa, Toshiaki Hashizume | 2004-03-09 |