Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618330 | Magneto-optical head and method of making coil for the same | Goro Kawasaki, Tsuyoshi Matsumoto | 2003-09-09 |
| 6552858 | Objective lens system and optical disk apparatus using the same | Tsuyoshi Matsumoto | 2003-04-22 |