Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774615 | Resonance-frequency measuring method determining a resonance frequency by counting the number of off-track occurrences | Susumu Yoshida, Shuichi Hashimoto, Ryuki Kubohara, Tatsuhiko Kosugi, Yoshiyuki Kagami | 2004-08-10 |
| 6738230 | Method and apparatus for positioning a magnetic head using a dual-stage actuator in an information recording and/or playback device | — | 2004-05-18 |