Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453890 | Low airflow hard disk apparatus | Kiyoyoshi Takegami, Yoichi Mori, Hirotada Itoi, Hiroyuki Yonei, Kihachiro Ohta | 1995-09-26 |
| 5381066 | Spindle motor with a sealing member | Hiroshi Matsumoto | 1995-01-10 |
| 5333079 | Low profile hard disk apparatus | Kiyoyoshi Takegami, Hiroyuki Yonei, Kihachiro Ohta | 1994-07-26 |
| 5317225 | Spindle motor and disk clamp mechanism used therein | Hiroyuki Yonei | 1994-05-31 |
| 5153470 | Spindle motor | Takeshi Uda, Hiroyuki Yonei | 1992-10-06 |
| 5134331 | Spindle motor | Takeshi Uda, Hiroyuki Yonei | 1992-07-28 |
| 5009436 | Magnetic fluid seal assembly | Mineyo Endo, Kiyoyoshi Takegami, Noriaki Hishida | 1991-04-23 |