Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911734 | Spindle motor with a magnetic shield plate having an inclined annular face | Shigeo Obata | 2011-03-22 |
| 7420309 | Spindle motor | Masahiro Jyono, Takao Yoshitsugu, Yoshihiro Ashizaki | 2008-09-02 |
| 7321178 | Spindle motor | Masahiro Jyono, Takao Yoshitsugu, Yoshihiro Ashizaki | 2008-01-22 |
| 6188152 | Motor and hard disk drive having a reduced vibration motor | Takao Yoshitsugu, Shoichi Yoshikawa, Akihide Matsuo, Hideshi Fukutani | 2001-02-13 |
| 5998898 | Motor having hydrodynamic bearing | Hideshi Fukutani | 1999-12-07 |