Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636365 | Optical pickup apparatus and objective lens | Katsuya Sakamoto | 2003-10-21 |
| 6597519 | Objective lens, optical pick-up apparatus and optical information recording reproducing apparatus | — | 2003-07-22 |
| 6515808 | Optical pickup apparatus and objective lens | — | 2003-02-04 |