Issued Patents 2003
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657340 | Motor and method of manufacturing the same | — | 2003-12-02 |
| 6655847 | Pivot bearing assembly | Toshisada Koyama | 2003-12-02 |
| 6639336 | Spindle motor and manufacturing method thereof | — | 2003-10-28 |
| 6599020 | Double seal bearing | — | 2003-07-29 |
| 6599022 | Bearing apparatus | — | 2003-07-29 |
| 6599021 | Compound bearing apparatus | — | 2003-07-29 |
| 6582129 | Compound bearing apparatus, and spindle motor and swing arm for hard disk drive means including such bearing apparatus | — | 2003-06-24 |
| 6573215 | Material for bearing rolling element | Kazuo Hokkirigawa, Motoharu Akiyama | 2003-06-03 |
| 6563243 | Spindle motor | Hiroshi Yoshikawa | 2003-05-13 |
| 6556375 | Hard disk drive device | — | 2003-04-29 |
| 6538354 | Spindle motor with toroidal sealing plates | — | 2003-03-25 |
| 6527447 | Sliding of polycrystallized glass | — | 2003-03-04 |
| 6511303 | Fan blower with durable bearing structure | — | 2003-01-28 |
| 6512316 | Spindle motor | Hiroshi Yoshikawa | 2003-01-28 |