Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7947635 | Hydrodynamic bearing device and spindle motor using the same | Takanori Shiraishi, Hideaki Ohno | 2011-05-24 |
| 7846883 | Hydrodynamic bearing device, and spindle motor and information device using the same | Takanori Shiraishi | 2010-12-07 |
| 7781383 | Lubricant for fluid dynamic bearing, spindle motor equipped therewith and magnetic disk unit | Takanori Shiraishi, Hideaki Ohno | 2010-08-24 |
| 7776802 | Hydrodynamic bearing device, and spindle motor and information device using the same | Hideaki Ohno, Takanori Shiraishi | 2010-08-17 |
| 7737095 | Hydrodynamic bearing device, and spindle motor and information device using the same | Takanori Shiraishi, Hideaki Ohno | 2010-06-15 |
| 7495863 | Hydrodynamic bearing device, and spindle motor and information device using the same | Hideaki Ohno, Takanori Shiraishi | 2009-02-24 |
| 7459416 | Fluid bearing unit and spindle motor using the same | Takanori Shiraishi | 2008-12-02 |
| 6685356 | Liquid bearing unit and magnetic disk device using the same | — | 2004-02-03 |