Inventor
ASADA TAKAFUMI
JP56 patents
⚠️ This page may combine multiple inventors who share the name “ASADA TAKAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
33 patentsUS5504637AApr 2, 1996
Disk rotating device having dynamic-pressure fluid bearings
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD67 citations96
US5141338AAug 25, 1992
Dynamic pressure type fluid bearing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations96
US5057733AOct 15, 1991
Modular coil cores for electric motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations93
US5018881AMay 28, 1991
Self acting gas bearing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations93
US6760187B2Jul 6, 2004
Hydrodynamic bearing and disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US6196722B1Mar 6, 2001
Hydrodynamic bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD50 citations92
US5810480ASep 22, 1998
Vertical hydrodynamic bearing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US5112141AMay 12, 1992
Disk driving apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US7241050B2Jul 10, 2007
Hydrodynamic bearing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations91
US5361470ANov 8, 1994
Processing apparatus with movable processing tool
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations91
US4892418AJan 9, 1990
Hydrodynamic bearing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations91
US4395817AAug 2, 1983
Method of making keyboard switches
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations91
US5370463ADec 6, 1994
Hydrodynamic gas bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations90
US5273368ADec 28, 1993
Hydrodynamic gas bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations90
US4557610ADec 10, 1985
Dynamic pressure type fluid bearing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations88
US5120139AJun 9, 1992
Dynamic pressure gas bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations86
US7492548B2Feb 17, 2009
Hydrodynamic bearing device and disk rotating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations84
US7196868B2Mar 27, 2007
Hydrodynamic bearing and disk recording/reproducing apparatus having a vent inside a fixed shaft
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US7102851B2Sep 5, 2006
Hydrodynamic bearing and disk recording/reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations84
US7011450B2Mar 14, 2006
Fluid dynamic bearing device and motor including the device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations84
US4573807AMar 4, 1986
Fluid bearing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations78
US4706143ANov 10, 1987
Rotary head cylinder device with fluid bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations77
US7237956B2Jul 3, 2007
Hydrodynamic bearing and disc rotation apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US5758421AJun 2, 1998
Method for manufacturing fluid bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74
US6933642B2Aug 23, 2005
Hydrodynamic gas bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US5797303AAug 25, 1998
Sleeve bore machining apparatus and sleeve bore machining method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US5718155AFeb 17, 1998
Sleeve bore machining apparatus and sleeve bore machining method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US5524464AJun 11, 1996
Workpiece-bore processing apparatus and method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations73
US5247819ASep 28, 1993
Bore processing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US4706144ANov 10, 1987
Rotary head device with fluid bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations70
US7237955B2Jul 3, 2007
Hydrodynamic bearing and disc rotation apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US6604858B2Aug 12, 2003
Hydro dynamic gas bearing and disk drive using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US7186028B2Mar 6, 2007
Hydrodynamic bearing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61
PANASONIC CORP
10 patentsUS7527432B2May 5, 2009
Hydrodynamic bearing type rotary device and recording and reproduction apparatus including the same
PANASONIC CORP7 citations74
US8033732B2Oct 11, 2011
Hydrodynamic bearing device, and spindle motor equipped with same
PANASONIC CORP4 citations63
US7950854B2May 31, 2011
Hydrodynamic bearing type rotary device and recording and reproducing apparatus equipped with same
PANASONIC CORP5 citations63
US7740407B2Jun 22, 2010
Hydrodynamic bearing type rotary device and recording and reproduction apparatus including the same
PANASONIC CORP5 citations63
US7726881B2Jun 1, 2010
Hydrodynamic bearing device
PANASONIC CORP3 citations63
US7513689B2Apr 7, 2009
Hydrodynamic bearing device
PANASONIC CORP3 citations63
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
US7589934B2Sep 15, 2009
Hydrodynamic bearing device and disk rotating apparatus
PANASONIC CORP3 citations62
US7674043B2Mar 9, 2010
Hydrodynamic bearing rotary device
PANASONIC CORP5 citations59
NAMIKI PRECISION JEWEL CO LTD
5 patentsUS9574870B2Feb 21, 2017
Probe for optical imaging
NAMIKI PRECISION JEWEL CO LTD10 citations80
US9709749B2Jul 18, 2017
Optical imaging probe
NAMIKI PRECISION JEWEL CO LTD3 citations72
US9869821B2Jan 16, 2018
Probe for optical imaging
NAMIKI PRECISION JEWEL CO LTD6 citations70
US9254117B2Feb 9, 2016
Ultrasonic endoscopic probe
NAMIKI PRECISION JEWEL CO LTD2 citations62
US9706930B2Jul 18, 2017
Optical imaging probe
NAMIKI PRECISION JEWEL CO LTD0 citations51
MATSUSHITA ELECTRIC IND COL LT
1 patentASADA TAKAFUMI
1 patentShowing the top 50 of 56 patents by PatentIndex Score.