Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650477 | Diffractive optical element and optical apparatus having the same | — | 2003-11-18 |
| 6624943 | Diffractive optical element and optical system having the same | Michitaka Setani | 2003-09-23 |
| 6590708 | Lens system having diffracting surface and refracting surface and optical apparatus using the lens system | Michitaka Setani | 2003-07-08 |
| 6587272 | Diffractive optical element | — | 2003-07-01 |
| 6565212 | Projection display apparatus, and information processing system and image recording/reproducing system using the same | Shuichi Kobayashi | 2003-05-20 |
| 6560019 | Diffractive optical element and optical system having the same | — | 2003-05-06 |
| 6507437 | Diffractive optical element and photographic optical system having the same | — | 2003-01-14 |