Issued Patents 1994
Showing 1–3 of 3 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, Sadao Mizuno | 1994-09-13 |
| 5345072 | Focus detection device for reading information from an optical recording medium | Shinichi Tanaka, Sadao Mizuno, Noboru Ito, Yoshiaki Komma | 1994-09-06 |
| D348224 | Tonometer | — | 1994-06-28 |