Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765326 | Cooling device motor having a hydrodynamic bearing with a unitary shaft thrust supporter | Akitomo Yamashita | 2004-07-20 |
| 6124657 | Motor having a hydrodynamic bearing and cooling device using the motor | Akitomo Yamashita | 2000-09-26 |