Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018673 | Disk drive, method for measuring clearance and method for writing servo patterns | Atsushi Takeichi, Yuki Hashimoto, Kenji Kuroki, Mitsuhiro Shoda | 2011-09-13 |
| 7573669 | Method and apparatus for writing pattern on disk | Atsushi Takeichi, Kazuhiko Washizu | 2009-08-11 |
| 7173785 | Data storage device and servo information writing method | Hirofumi Yanase | 2007-02-06 |
| 7126772 | Data storage device and servo information writing method | Hirofumi Yanase | 2006-10-24 |