Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667943 | Optical disc apparatus | Hisashi Konno, Suguru Takishima, Wataru Kubo, Hiroshi Nishikawa, Hiroshi Yamamoto | 2003-12-23 |
| 6654184 | Method for designing diffractive lens | — | 2003-11-25 |
| 6624941 | Diffraction optical element | Shuichi Takeuchi | 2003-09-23 |
| 6624942 | Objective lens for optical pick-up | Shuichi Takeuchi | 2003-09-23 |
| 6597401 | Image reading system with flare compensation | — | 2003-07-22 |
| 6594222 | Objective lens for optical pick-up | — | 2003-07-15 |
| 6560034 | Beam shaping optical system | Junji Kamikubo | 2003-05-06 |
| 6545807 | Refractive-diffractive hybrid lens | — | 2003-04-08 |