Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831783 | Power source control circuit for controlling an electric potential of a magnetic head and memory apparatus using such a power source control circuit | — | 1998-11-03 |
| 5724204 | Apparatus and method of reproducing synchronization signal in disc storage system | Shuichi Hashimoto | 1998-03-03 |
| 5311379 | Method and system for positioning head on target cylinder of disk | Shuichi Hashimoto | 1994-05-10 |
| 5204932 | Servo circuit for magnetic disk apparatus | Shuichi Hashimoto | 1993-04-20 |
| 5194798 | Servo circuit control method and system | Shuichi Hashimoto | 1993-03-16 |
| 5070420 | Magnetic disk drive | Hiroshi Tsurumi | 1991-12-03 |