Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586223 | Ultra-thin spindle motor having groove formed on the outer circumferential surface of thrust bearing | Kook Hyeun Yang | 2009-09-08 |
| RE36086 | Spindle motor | Kuniyasu Iwazaki | 1999-02-09 |
| 5160866 | Spindle motor | Kuniyasu Iwazaki | 1992-11-03 |
| 5045738 | Spindle motor | Kuniyasu Iwazaki | 1991-09-03 |
| 5009436 | Magnetic fluid seal assembly | Mineyo Endo, Kiyoyoshi Takegami, Itsuo Miyaji | 1991-04-23 |
| 4996613 | Spindle motor with non-contact seal | — | 1991-02-26 |