Inventor
DU HONGBING
SG7 patents
⚠️ This page may combine multiple inventors who share the name “DU HONGBING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIDEC CORP
6 patentsUS6538852B1Mar 25, 2003
Bearing device with damping mechanism
NIDEC CORP10 citations70
US8659850B2Feb 25, 2014
Brushless motor, disk drive apparatus, and method of manufacturing the brushless motor
NIDEC CORP5 citations69
US8867166B2Oct 21, 2014
Spindle motor and disk drive apparatus
NIDEC CORP1 citations49
US9667108B2May 30, 2017
Brushless motor and disk drive apparatus
NIDEC CORP0 citations48
US9209656B2Dec 8, 2015
Brushless motor and disk drive apparatus
NIDEC CORP0 citations48
US9318928B2Apr 19, 2016
Brushless motor, disk drive apparatus and brushless motor manufacturing method
NIDEC CORP0 citations38