Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645073 | Hydrodynamic bearing device, spindle motor and disc recording and reproducing apparatus | Toshinori Takasuka, Taizo Ikegawa | 2010-01-12 |
| 7582996 | Dynamic pressure bearing motor | Takeyoshi Yamamoto, Masahiro Jyono, Taizo Ikegawa | 2009-09-01 |
| 7365940 | Hard disk drive device, and fluid dynamic bearing spindle motor and assembling method thereof | Takeyoshi Yamamoto, Hiroaki Saito | 2008-04-29 |
| 7294946 | Motor using dynamic gas bearings | Masahiro Jyono, Takeyoshi Yamamoto, Taizo Ikegawa, Satoko Miki | 2007-11-13 |
| 6911753 | Gas dynamic bearing motor | Taizo Ikegawa, Masahiro Jyono, Takeyoshi Yamamoto, Satoko Miki | 2005-06-28 |