Inventor
NAKAJIMA RYOUICHI
JP10 patents
Patents
10 patentsUS7005768B2Feb 28, 2006
Dynamic bearing device, producing method thereof, and motor using the same
NTN TOYO BEARING CO LTD52 citations92
US7625124B2Dec 1, 2009
Fluid bearing device
NTN TOYO BEARING CO LTD9 citations84
US7798721B2Sep 21, 2010
Fluid dynamic bearing device
NTN TOYO BEARING CO LTD15 citations83
US7819585B2Oct 26, 2010
Fluid dynamic bearing apparatus and a motor using the same
NTN TOYO BEARING CO LTD7 citations73
US7267484B2Sep 11, 2007
Fluid bearing device
NTN TOYO BEARING CO LTD9 citations73
US8002471B2Aug 23, 2011
Fluid dynamic bearing apparatus and a motor using the same
NTN TOYO BEARING CO LTD2 citations62
US7938583B2May 10, 2011
Rolling bearing
NTN TOYO BEARING CO LTD4 citations62
US7591591B2Sep 22, 2009
Dynamic bearing device
NTN TOYO BEARING CO LTD2 citations62
US7448804B2Nov 11, 2008
Fluid bearing device
NTN TOYO BEARING CO LTD4 citations62
US7399121B2Jul 15, 2008
Fluid bearing device
NTN TOYO BEARING CO LTD2 citations62