Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819366 | Display device with condenser elements | Toshihiro Suzuki, Tetsuya Kobayashi, Takeshi Gotoh, Tetsuya Hamada, Keiji Hayashi +3 more | 2004-11-16 |
| 6723474 | Method of fabricating diffraction grating and diffraction grating | Fumio Yamagishi | 2004-04-20 |
| 6690516 | Head mount type display device | Hirokazu Aritake, Seiichi Saito | 2004-02-10 |