Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418098 | Optical head apparatus for reproducing information from an optical recording medium | Yuichiro Yamamoto, Katsuo Iwata | 2002-07-09 |
| 6373797 | Optical information recording/reproducing apparatus based on tracking control of irradiated light | Kazuo Watabe | 2002-04-16 |