Inventor
KOYAMA MINEO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA MINEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTN TOYO BEARING CO LTD
4 patentsUS7594761B2Sep 29, 2009
Cylindrical roller bearing and cage for cylindrical roller bearings
NTN TOYO BEARING CO LTD11 citations81
US7150565B1Dec 19, 2006
Cylindrical roller bearing
NTN TOYO BEARING CO LTD18 citations80
US10197092B2Feb 5, 2019
Ball bearing for spindle with built-in motor
NTN TOYO BEARING CO LTD1 citations53
US10663001B2May 26, 2020
Ball bearing cage
NTN TOYO BEARING CO LTD0 citations35