Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487149 | Optical recording and reproducing methods for optical disk | Kenya Yokoi, Akihiko Shimizu | 2002-11-26 |
| 6448997 | Laser beam scanning system and method using a photonic crystal | — | 2002-09-10 |
| 6445656 | Optical recording/reproducing method and apparatus for optical storage media | — | 2002-09-03 |
| 6343053 | Objective lens driving apparatus for driving an objective lens of an optical disk drive | Goichi Akanuma | 2002-01-29 |