Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650885 | Device having synchronized spindle control in disk drives with at least two data per rotation of a disk | Hirofumi Takiue | 1997-07-22 |
| 5555140 | Synchronized spindle control in disk drives with at least two data per rotation of disk | Hirofumi Takiue | 1996-09-10 |
| 5461633 | Disk drive circuit with partial match detection for predetermined bit sequence | — | 1995-10-24 |
| 5270885 | Hard-disk storage apparatus with memory storing data-head control information | Hiroshi Satoh, Tetsuyuki Hishikawa, Toshio Takeuchi | 1993-12-14 |
| 5157566 | Magnetic disk drive having a lock mechanism for preventing rotation of a disk spindle after the disk spindle is stopped | Tetsuyuki Hishikawa | 1992-10-20 |
| 5153784 | Magnetic disk apparatus having a read/write control circuit | — | 1992-10-06 |