Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7423835 | Method and apparatus for servo control using spiral servo information in a disk drive | Hideo Sado, Masahide Yatsu, Masafumi Iwashiro, Shouji Nakajima, Seiji Mizukoshi | 2008-09-09 |