Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6567355 | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup | Katsuhiko Izumi, Kunikazu Ohnishi, Masayuki Inoue, Shinji Fujita | 2003-05-20 |