Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918544 | Multi-spindle synchronization control system for magnetic disk apparatus | Takashi Machida | 1990-04-17 |
| 4890045 | Spindle motor control system for magnetic disk apparatus | — | 1989-12-26 |