Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643300 | Laser irradiation optical system | — | 2003-11-04 |
| 6590709 | Diffractive optical element and method of manufacturing a mold | Koji MIYAI, Hiromu Mukai, Shigeto Ohmori | 2003-07-08 |
| 6515775 | Diffusive optical element, illumination optical system, and image-shooting apparatus | — | 2003-02-04 |