Inventor
FUJIKAWA YOSHIO
JP12 patents
Patents
12 patentsUS6019515AFeb 1, 2000
Externally pressurized gas bearing assembly
NTN TOYO BEARING CO LTD36 citations92
US5073037ADec 17, 1991
Spindle assembly
NTN TOYO BEARING CO LTD48 citations88
US6956367B2Oct 18, 2005
Bearing assembly equipped with rotation sensor to determine rotation and position of rotating element
NTN TOYO BEARING CO LTD16 citations84
US6439773B1Aug 27, 2002
Externally pressurized gas bearing spindle assembly
NTN TOYO BEARING CO LTD15 citations83
US6848828B2Feb 1, 2005
Foil bearing and spindle device using the same
NTN TOYO BEARING CO LTD17 citations77
US6581857B2Jun 24, 2003
Externally pressurized gas bearing spindle
NTN TOYO BEARING CO LTD10 citations73
US6524004B2Feb 25, 2003
Externally pressurized gas bearing spindle assembly
NTN TOYO BEARING CO LTD6 citations73
US10648449B2May 12, 2020
Hydroelectric power generation apparatus
NTN TOYO BEARING CO LTD4 citations72
US5660480AAug 26, 1997
Externally pressurized bearing spindle
NTN TOYO BEARING CO LTD16 citations71
US8052327B2Nov 8, 2011
Hydrostatic gas bearing, rotator and CT scanner
NTN TOYO BEARING CO LTD3 citations62
US10947950B2Mar 16, 2021
Hydroelectric power generation apparatus
NTN TOYO BEARING CO LTD0 citations61
US7066652B2Jun 27, 2006
Externally pressurized gas bearing and spindle equipment using this
NTN TOYO BEARING CO LTD2 citations54