Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357496 | Optical disk drive focus servo control system with focus servo being turned off or having gain reduced after tracking servo has been off a predetermined time period | Shigenori Yanagi | 1994-10-18 |
| 5351222 | Disk storage apparatus including a single power supply hysteresis comparator having a symmetrical characteristic | Shigenori Yanagi | 1994-09-27 |