Inventor
KIRIYAMA HIROYUKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KIRIYAMA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC CORP
9 patentsUS7473034B2Jan 6, 2009
Hydrodynamic bearing device, motor, and disk driving apparatus
PANASONIC CORP20 citations92
US7862238B2Jan 4, 2011
Hydrodynamic bearing rotary device and information apparatus
PANASONIC CORP2 citations62
US7830637B2Nov 9, 2010
Hydrodynamic bearing device and disk rotation apparatus
PANASONIC CORP4 citations62
US7604409B2Oct 20, 2009
Hydrodynamic bearing member and manufacturing method thereof
PANASONIC CORP4 citations62
US7589934B2Sep 15, 2009
Hydrodynamic bearing device and disk rotating apparatus
PANASONIC CORP3 citations62
US8007175B2Aug 30, 2011
Hydrodynamic bearing device, and spindle motor and information apparatus equipped with same
PANASONIC CORP3 citations61
US7674043B2Mar 9, 2010
Hydrodynamic bearing rotary device
PANASONIC CORP5 citations59
US7883270B2Feb 8, 2011
Hydrodynamic bearing type rotary device and recording and reproducing apparatus including the same
PANASONIC CORP0 citations42
US7940492B2May 10, 2011
Hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus
PANASONIC CORP0 citations41
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS6259181B1Jul 10, 2001
Rotor core for reluctance motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations96
US6300703B1Oct 9, 2001
Rotor core for reluctance motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US7492548B2Feb 17, 2009
Hydrodynamic bearing device and disk rotating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations84
US6583531B1Jun 24, 2003
Motor with permanent magnet
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations80