Inventor
SAKATANI IKUNORI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “SAKATANI IKUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NSK LTD
24 patentsUS7034711B2Apr 25, 2006
Wireless sensor, rolling bearing with sensor, management apparatus and monitoring system
NSK LTD164 citations99
US6695483B2Feb 24, 2004
Sensor and rolling bearing apparatus with sensor
NSK LTD48 citations96
US5683183ANov 4, 1997
Spindle device and bearing device therefor
NSK LTD78 citations96
US6271612B1Aug 7, 2001
Spindle motor
NSK LTD112 citations95
US6172847B1Jan 9, 2001
Rotational assembly for disc drive device having small runout and reduced axial displacement
NSK LTD63 citations95
US6830379B2Dec 14, 2004
Rotation-speed sensor device
NSK LTD49 citations93
US7394395B2Jul 1, 2008
Wireless sensor, rolling bearing with sensor, management apparatus and monitoring system
NSK LTD24 citations92
US7320257B2Jan 22, 2008
Load measuring device for rolling bearing unit and load measuring rolling bearing unit
NSK LTD33 citations92
US7249891B2Jul 31, 2007
Bearing device with sensor and rolling bearing with sensor
NSK LTD35 citations92
US7116095B2Oct 3, 2006
Wheel rotation detecting device
NSK LTD16 citations92
US7014368B2Mar 21, 2006
Sensor and rolling bearing apparatus with sensor
NSK LTD28 citations92
US6894484B2May 17, 2005
Wheel rotation detecting device
NSK LTD40 citations92
US6634103B2Oct 21, 2003
Method of stabilizing high-speed control of ball bearing device
NSK LTD18 citations92
US6081057AJun 27, 2000
Spindel motor for a disc drive
NSK LTD32 citations92
US6074098AJun 13, 2000
Hydro-dynamic fluid bearing device and manufacturing method of the same
NSK LTD21 citations92
US6033118AMar 7, 2000
Hydro-dynamic fluid bearing device and manufacturing method of the same
NSK LTD34 citations92
US5882122AMar 16, 1999
Rolling bearing and spindle apparatus
NSK LTD31 citations92
US5289067AFeb 22, 1994
Bearing device
NSK LTD41 citations92
US7212927B2May 1, 2007
Load-measuring device for rolling bearing unit and rolling bearing unit for load measurement
NSK LTD15 citations83
US6989618B2Jan 24, 2006
Rolling bearing with built-in motor
NSK LTD14 citations83
US6053638AApr 25, 2000
Ball bearing device for a swing arm
NSK LTD15 citations82
US6264368B1Jul 24, 2001
Fluid bearing motor
NSK LTD12 citations73
US6712513B2Mar 30, 2004
Fluid bearing device
NSK LTD12 citations71
US6827495B2Dec 7, 2004
Fluid bearing device
NSK LTD5 citations63
NIPPON SEIKO KK
6 patentsUS4934836AJun 19, 1990
Dynamic pressure type fluid bearing device
NIPPON SEIKO KK65 citations93
US4547081AOct 15, 1985
Dynamic pressure type fluid bearing
NIPPON SEIKO KK31 citations93
US4856918AAug 15, 1989
Bearing device
NIPPON SEIKO KK25 citations92
US4805972AFeb 21, 1989
Dynamic pressure gas bearing device
NIPPON SEIKO KK42 citations92
US4798476AJan 17, 1989
Dynamic pressure type fluid bearing
NIPPON SEIKO KK32 citations92
US5046863ASep 10, 1991
Dynamic pressure bearing device
NIPPON SEIKO KK27 citations88