Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6757221 | Optical head having object lens and patterned coil | Kazushi Uno, Shingo Hamaguchi, Kyoko Tadaki, Kiyoto Matsui, Goro Kawasaki | 2004-06-29 |
| 6717905 | Optical head and method of making the same | Goro Kawasaki | 2004-04-06 |