Inventor
YAWATA ATSUSHI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “YAWATA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIDEC CORP
20 patentsUS9166452B1Oct 20, 2015
Spindle motor, disk drive apparatus, and electronic device
NIDEC CORP16 citations84
US8363353B2Jan 29, 2013
Spindle motor, disk drive apparatus, and method of manufacturing spindle motor
NIDEC CORP19 citations84
US8358483B2Jan 22, 2013
Spindle motor including annular magnetic member and disk drive apparatus including such a spindle motor
NIDEC CORP6 citations84
US8755145B2Jun 17, 2014
Base unit, motor and disk drive apparatus
NIDEC CORP8 citations83
US8665557B1Mar 4, 2014
Spindle motor and disk drive apparatus
NIDEC CORP7 citations83
US9739312B2Aug 22, 2017
Bearing mechanism, spindle motor including the bearing mechanism and electronic equipment including the spindle motor
NIDEC CORP2 citations71
US9001461B1Apr 7, 2015
Spindle motor and disk drive apparatus
NIDEC CORP3 citations62
US8922945B2Dec 30, 2014
Disk drive spindle motor with wiring substrate having extension portion passing through opening in base
NIDEC CORP3 citations62
US8824096B1Sep 2, 2014
Motor including rotor hub with recessed portion and disk drive apparatus including the same
NIDEC CORP2 citations62
US8643978B1Feb 4, 2014
Spindle motor and disk drive apparatus
NIDEC CORP2 citations62
US8593759B1Nov 26, 2013
Spindle motor and disk drive apparatus
NIDEC CORP4 citations62
US8508884B2Aug 13, 2013
Spindle motor including magnetic member and disk drive apparatus including same
NIDEC CORP4 citations62
US8711515B2Apr 29, 2014
Stopper, motor, and disk drive apparatus
NIDEC CORP2 citations61
US11460691B2Oct 4, 2022
Motor, mirror rotary device, and disk drive device
NIDEC CORP0 citations52
US8446059B2May 21, 2013
Spindle motor and storage disk drive apparatus
NIDEC CORP1 citations51
US9613650B2Apr 4, 2017
Spindle motor, disk drive apparatus, and method of manufacturing base unit of spindle motor
NIDEC CORP1 citations49
US12249876B2Mar 11, 2025
Motor
NIDEC CORP0 citations41
US10622015B2Apr 14, 2020
Motor having a hollow shaft with a recess in an inner peripheral surface of the hollow shaft, and a sealing member closing an opening of the hollow shaft and partially fitted in the recess
NIDEC CORP0 citations41
US9520754B2Dec 13, 2016
Motor and disk drive apparatus
NIDEC CORP0 citations40
US9165594B2Oct 20, 2015
Spindle motor and disk drive apparatus
NIDEC CORP0 citations39
YAWATA ATSUSHI
5 patentsUS8324771B2Dec 4, 2012
Spindle motor and storage disk drive apparatus
YAWATA ATSUSHI20 citations91
US8120217B2Feb 21, 2012
Spindle motor having recess for accomodating terminal
YAWATA ATSUSHI24 citations91
US8304945B2Nov 6, 2012
Spindle motor and storage disk drive apparatus
YAWATA ATSUSHI9 citations82
US8299668B2Oct 30, 2012
Spindle motor and storage disk drive apparatus
YAWATA ATSUSHI8 citations82
US8169738B1May 1, 2012
Fluid dynamic bearing mechanism including communicating channel, spindle motor, and disk drive apparatus
YAWATA ATSUSHI6 citations71