Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833953 | Polarizer and optical device using the polarizer | Atsushi Miyazawa | 2004-12-21 |
| 6811262 | Projector comprising an optical component having a rock crystal member | Takeshi Takezawa, Hisamaro Kato | 2004-11-02 |
| 6805444 | Projector comprising an optical component having a rock crystal member | Takeshi Takezawa, Hisamaro Kato | 2004-10-19 |
| 6778341 | Method for manufacturing light-selective prism | Yuji Takado, Takeshi Takezawa | 2004-08-17 |
| 6702443 | Projector | Takeshi Takezawa, Motoyuki Fujimori | 2004-03-09 |
| 6690521 | Light-selective prism, projection display apparatus using the same, and method of manufacturing light-selective prism | Masami Murata | 2004-02-10 |