Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7489467 | Method for measuring track width of hard disk drive | Jae Hyeong Kim, Sang-hoon Chu, Cheol-hoon Park | 2009-02-10 |
| 7203024 | Method of testing servo burst signals of hard disk drive and recording medium adapted therefor | Sang-hoon Chu, Chul-Sung Park, Cheol-hoon Park | 2007-04-10 |
| 7158335 | Method for resonance identification in hard disk drives | Cheol-hoon Park, Sang-hoon Chu | 2007-01-02 |
| 7145743 | Apparatus and method for unlatching a head within a data storage device | Cheol-hoon Park, Kwang-jo Jung, Sang-hoon Chu, Chul-Sung Park | 2006-12-05 |
| 7116515 | Method and apparatus for compensating for torque change in seek servo | Sang-hoon Chu, Cheol-hoon Park | 2006-10-03 |