Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388964 | Optical disk apparatus | — | 2002-05-14 |
| 6373797 | Optical information recording/reproducing apparatus based on tracking control of irradiated light | Masahiko Tanaka | 2002-04-16 |