Inventor
AKAMATSU YOSHINOBU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “AKAMATSU YOSHINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTN TOYO BEARING CO LTD
13 patentsUS6712514B2Mar 30, 2004
Hydrodynamic bearing unit
NTN TOYO BEARING CO LTD18 citations92
US5641038AJun 24, 1997
Bearing for use in compressor for air conditioner
NTN TOYO BEARING CO LTD29 citations92
US6417143B1Jul 9, 2002
Rolling bearings and greases for the same
NTN TOYO BEARING CO LTD28 citations90
US5642947AJul 1, 1997
Balls for ball bearing
NTN TOYO BEARING CO LTD22 citations90
US5397188AMar 14, 1995
Rolling member
NTN TOYO BEARING CO LTD41 citations90
US5967672AOct 19, 1999
Machine parts making rolling or sliding surfaces formed with discontinuous grooves
NTN TOYO BEARING CO LTD37 citations88
US4893387AJan 16, 1990
Roller elements for roller bearing
NTN TOYO BEARING CO LTD46 citations88
US6332717B1Dec 25, 2001
Rolling bearing for supporting rotary shaft of disk memory device
NTN TOYO BEARING CO LTD16 citations84
US7918606B2Apr 5, 2011
Rolling bearing
NTN TOYO BEARING CO LTD8 citations83
US7819587B2Oct 26, 2010
Lubricating device for rolling bearing
NTN TOYO BEARING CO LTD7 citations73
US5915844AJun 29, 1999
Grease-lubricated rolling bearings
NTN TOYO BEARING CO LTD12 citations73
US6981797B2Jan 3, 2006
Hydrodynamic bearing unit
NTN TOYO BEARING CO LTD2 citations63
US7877215B2Jan 25, 2011
Evaluation method for rolling bearing part
NTN TOYO BEARING CO LTD2 citations62