Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701280 | Optical information recording and/or reproducing apparatus in which a reproducing light beam is modulated with at least a 100% degree of modulation | — | 1997-12-23 |
| 5627813 | Optical information recording and/or reproducing apparatus and method with auto power control function for two light sources | — | 1997-05-06 |
| 5592456 | Information reproducing apparatus and method | Takaaki Ashinuma | 1997-01-07 |