Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671114 | Method and apparatus for forming data sector suitable for high density hard disk drive | — | 2003-12-30 |
| 6172836 | Method and apparatus for writing the servo pattern for detecting fine defects in the servo burst signals of a hard disk drive | — | 2001-01-09 |
| 6151180 | Method and apparatus for detecting defects on a disk in a hard disk drive | — | 2000-11-21 |
| 6128154 | Servo control method for a high capacity hard disk drive | — | 2000-10-03 |
| 6115199 | Circuit for preventing servo sector from being overwritten due to misdetection of a servo address mark in a magnetic disk | — | 2000-09-05 |
| 6021012 | Automatic servo address mark detection and servo timing compensation circuit | — | 2000-02-01 |
| 6005728 | Disk recording medium for embodying high capacity hard disk drive | — | 1999-12-21 |
| 5987542 | Serial interface circuit for adaptively supporting the serial interface of read/write channel circuits in a magnetic disk drive | — | 1999-11-16 |
| 5982308 | Technique for compensation for missing pulses when decoding gray code data in hard disk drive | — | 1999-11-09 |
| 5926333 | Technique for generating sector pulses by comparing production clock values with stored sector length value | — | 1999-07-20 |
| 5920440 | Gray code decoding circuit of a hard disk drive | — | 1999-07-06 |
| 5781362 | Servo control system for driving a voice coil motor with pulse width and gain control | — | 1998-07-14 |
| 5706265 | Spindle motor driving control circuit of disk drive recording device | — | 1998-01-06 |