Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644084 | Method of measuring natural frequency of motor | Shinji Kinoshita, Koichi Katakura | 1997-07-01 |
| 5633769 | Magnetic disc drive device | Shinji Kinoshita, Toru Kumagai | 1997-05-27 |