Inventor
HIRATA KATSUSHI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “HIRATA KATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC CORP
7 patentsUS7776802B2Aug 17, 2010
Hydrodynamic bearing device, and spindle motor and information device using the same
PANASONIC CORP10 citations82
US7495863B2Feb 24, 2009
Hydrodynamic bearing device, and spindle motor and information device using the same
PANASONIC CORP8 citations82
US7459416B2Dec 2, 2008
Fluid bearing unit and spindle motor using the same
PANASONIC CORP8 citations71
US7947635B2May 24, 2011
Hydrodynamic bearing device and spindle motor using the same
PANASONIC CORP2 citations60
US7737095B2Jun 15, 2010
Hydrodynamic bearing device, and spindle motor and information device using the same
PANASONIC CORP2 citations60
US7846883B2Dec 7, 2010
Hydrodynamic bearing device, and spindle motor and information device using the same
PANASONIC CORP1 citations50
US7781383B2Aug 24, 2010
Lubricant for fluid dynamic bearing, spindle motor equipped therewith and magnetic disk unit
PANASONIC CORP0 citations50