Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7522364 | Control circuit for information storage device | Isamu Tomita | 2009-04-21 |
| 7441050 | Data processing system, data processing method, computer-readable storage medium, and disk drive | — | 2008-10-21 |
| 7164261 | Resonance-frequency measuring method determining a resonance frequency by counting the number of off-track occurrences | Shuichi Hashimoto, Tatsuhiko Kosugi, Takeyori Hara, Yoshiyuki Kagami | 2007-01-16 |
| 7050250 | Storage apparatus and storage medium | Tatsuhiko Kosugi, Isamu Tomita, Kazunori Mori, Yoshiyuki Kagami | 2006-05-23 |
| 6774615 | Resonance-frequency measuring method determining a resonance frequency by counting the number of off-track occurrences | Susumu Yoshida, Shuichi Hashimoto, Tatsuhiko Kosugi, Takeyori Hara, Yoshiyuki Kagami | 2004-08-10 |