Inventor
KOBAYASHI UMEMITSU
JP5 patents
Patents
5 patentsUS6367980B1Apr 9, 2002
Ultra thin type rolling bearing and cage therefor
NTN TOYO BEARING CO LTD29 citations89
US7059776B2Jun 13, 2006
Synthetic resin retainer and angular ball bearing
NTN TOYO BEARING CO LTD18 citations81
US6464397B2Oct 15, 2002
Ultrathin walled rolling bearing
NTN TOYO BEARING CO LTD13 citations70
US7287910B2Oct 30, 2007
Angular ball bearing and rolling bearing
NTN TOYO BEARING CO LTD3 citations59
US6540405B2Apr 1, 2003
Ultrathin-walled rolling bearing
NTN TOYO BEARING CO LTD3 citations59