Issued Patents All Time
Showing 101–109 of 109 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254918 | Detection of position of rotor in brushless dc motor | — | 1993-10-19 |
| 5204593 | Drive system for information recording/reproducing apparatus | — | 1993-04-20 |
| 5192900 | Method and apparatus for driving a brushless motor using feedback control | — | 1993-03-09 |
| 5159246 | Detection of relative position between magnetic pole and drive coil in brushless DC motor | — | 1992-10-27 |
| 5095254 | Disc record/reproduce apparatus with brushless motor having rotational speed controlled by a disc | — | 1992-03-10 |
| 5079652 | Device for controllably lessening load forces on disk media in aerodynamically flying head data storage file | Hiroyuki Ishida, Takashi Saito | 1992-01-07 |
| 5036264 | Brushless motor with no rotor-position sensor | — | 1991-07-30 |
| 4924161 | Position and speed detecting device | Toru Fujimoto | 1990-05-08 |
| 4746862 | Apparatus for detecting both rotational speed and reference rotational angle of a rotary member | — | 1988-05-24 |