Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688173 | Information storage medium and electronic device using the same | Atsushi Kitahara | 1997-11-18 |
| 5687161 | Apparatus and method for reproducing data from disk method for recording data on disk and disk | — | 1997-11-11 |
| 5627895 | Electronic device for detecting selected visually perceptible indication information on an information storage medium for security comparison | — | 1997-05-06 |