Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347504 | Optical disk apparatus for optically recording or reproducing information on an optical recording medium | Noboru Ito, Shinichi Tanaka, Hidenori Wada, Hideki Hayashi | 1994-09-13 |
| 5345072 | Focus detection device for reading information from an optical recording medium | Hideki Hayashi, Shinichi Tanaka, Noboru Ito, Yoshiaki Komma | 1994-09-06 |