Inventor
KOMURA OSAMU
JP34 patents
⚠️ This page may combine multiple inventors who share the name “KOMURA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
29 patentsUS5776600AJul 7, 1998
Slide member and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES47 citations96
US5599493AFeb 4, 1997
Method of producing silicon nitride ceramic component
SUMITOMO ELECTRIC INDUSTRIES94 citations96
US6800360B2Oct 5, 2004
Porous ceramics and method of preparing the same as well as microstrip substrate
SUMITOMO ELECTRIC INDUSTRIES52 citations94
US6749339B1Jun 15, 2004
Hydrodynamic bearing assembly and spindle motor having the same
SUMITOMO ELECTRIC INDUSTRIES18 citations92
US6686673B1Feb 3, 2004
Bearing structures, spindle motor, and hard disk drive
SUMITOMO ELECTRIC INDUSTRIES30 citations92
US6417590B1Jul 9, 2002
Spindle motor
SUMITOMO ELECTRIC INDUSTRIES22 citations92
US6082900AJul 4, 2000
Dynamic pressure pneumatic bearing structure and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES43 citations92
US5675201AOct 7, 1997
Composite bearing structure
SUMITOMO ELECTRIC INDUSTRIES43 citations92
US5628567AMay 13, 1997
Dynamic pressure gas bearing structure
SUMITOMO ELECTRIC INDUSTRIES22 citations92
US5384292AJan 24, 1995
Silicon nitride composite sintered body and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES21 citations92
US5280208AJan 18, 1994
Composite bearing structure
SUMITOMO ELECTRIC INDUSTRIES45 citations92
US4753764AJun 28, 1988
Manufacturing method for fiber reinforced silicon ceramics sintered body
SUMITOMO ELECTRIC INDUSTRIES31 citations92
US6702464B1Mar 9, 2004
Dynamic pressure bearing with improved starting characteristics
SUMITOMO ELECTRIC INDUSTRIES18 citations84
US6307295B1Oct 23, 2001
Spindle motor and complex bearing assembly for use with the spindle motor
SUMITOMO ELECTRIC INDUSTRIES15 citations84
US7033078B2Apr 25, 2006
Hydrodynamic bearing assembly and spindle motor having the same
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6771459B1Aug 3, 2004
Spindle motor and hard disc drive incorporating the same
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6608415B2Aug 19, 2003
Spindle motor
SUMITOMO ELECTRIC INDUSTRIES11 citations74
US6428211B1Aug 6, 2002
Hydrodynamic gas bearing structure
SUMITOMO ELECTRIC INDUSTRIES11 citations74
US6123460ASep 26, 2000
Hydrodynamic gas bearing structure and optical deflection scanner comprising the same
SUMITOMO ELECTRIC INDUSTRIES6 citations74
US5944427AAug 31, 1999
Dynamic pressure gas bearing structure and method of manufacturing the same as well as method of using the same
SUMITOMO ELECTRIC INDUSTRIES8 citations74
US5922629AJul 13, 1999
Silicon nitride ceramic sliding material and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES7 citations73
US5543371AAug 6, 1996
Slide member and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES9 citations73
US4906295AMar 6, 1990
Dispersed reinforced ceramics
SUMITOMO ELECTRIC INDUSTRIES12 citations73
US7360950B2Apr 22, 2008
Hydrodynamic bearing assembly
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7041366B2May 9, 2006
Porous silicon nitride ceramics and method for producing the same
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US6870289B1Mar 22, 2005
Dynamic-pressure bearing and spindle motor comprising the same
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US6552455B1Apr 22, 2003
Hydrodynamic bearing and spindle motor
SUMITOMO ELECTRIC INDUSTRIES6 citations63
US5385701AJan 31, 1995
Method of molding silicon nitride ceramics
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US5141579AAug 25, 1992
ProducingSi3 N4 composite by sheeting a mixture of Si3 N.sub.
SUMITOMO ELECTRIC INDUSTRIES2 citations57