Inventor · disambiguated record
Osamu Komura
Also filed as: KOMURA OSAMU
34 granted patents·2 pending applications·692 citations·filing 1983–2008
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES31CANON KK2AGENCY IND SCIENCE TECHN1LIFE TECHNOLOGY RESEARCH FOUND1SUMITOMO ELECTRIC IND LTD I1
Top patents by PatentIndex Score
36 records- 0193US5599493AMethod of producing silicon nitride ceramic componentSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Feb 4, 1997·94 cites·16 claims
- 0291US6800360B2Porous ceramics and method of preparing the same as well as microstrip substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Oct 5, 2004·52 cites·17 claims
- 0390US6686673B1Bearing structures, spindle motor, and hard disk driveSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Feb 3, 2004·30 cites·3 claims
- 0488US6417590B1Spindle motorSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 9, 2002·22 cites·2 claims
- 0587US6749339B1Hydrodynamic bearing assembly and spindle motor having the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jun 15, 2004·18 cites·16 claims
- 0687US5776600ASlide member and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jul 7, 1998·47 cites·26 claims
- 0785US5675201AComposite bearing structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Oct 7, 1997·43 cites·23 claims
- 0885US5280208AComposite bearing structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 18, 1994·45 cites·41 claims
- 0984US6702464B1Dynamic pressure bearing with improved starting characteristicsSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 9, 2004·18 cites·7 claims
- 1080US4753764AManufacturing method for fiber reinforced silicon ceramics sintered bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1983·Granted Jun 28, 1988·31 cites·6 claims
- 1178US6082900ADynamic pressure pneumatic bearing structure and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jul 4, 2000·43 cites·34 claims
- 1276US6307295B1Spindle motor and complex bearing assembly for use with the spindle motorSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Oct 23, 2001·15 cites·18 claims
- 1375US4965044AMethod of sintering ceramics and metal dispersed reinforced ceramics obtained therebySUMITOMO ELECTRIC IND LTD I·Filed 1989·Granted Oct 23, 1990·25 cites·6 claims
- 1473US6608415B2Spindle motorSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Aug 19, 2003·11 cites·10 claims
- 1569US7033078B2Hydrodynamic bearing assembly and spindle motor having the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Apr 25, 2006·7 cites·6 claims
- 1669US5384292ASilicon nitride composite sintered body and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jan 24, 1995·21 cites·1 claims
- 1768US7360950B2Hydrodynamic bearing assemblySUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Apr 22, 2008·2 cites·9 claims
- 1866US5835124ADynamic-pressure gas bearing structure and optical deflection scanning apparatusCANON KK·Filed 1996·Granted Nov 10, 1998·29 cites·15 claims
- 1966US5628567ADynamic pressure gas bearing structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted May 13, 1997·22 cites·9 claims
- 2061US4702869AProcess for the production of ceramicsAGENCY IND SCIENCE TECHN·Filed 1986·Granted Oct 27, 1987·15 cites·3 claims
- 2158US5731831ADynamic-pressure gas bearing structure and optical deflection scanning apparatusCANON KK·Filed 1996·Granted Mar 24, 1998·21 cites·20 claims
- 2258US4906295ADispersed reinforced ceramicsSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Mar 6, 1990·12 cites·2 claims
- 2357US7041366B2Porous silicon nitride ceramics and method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 9, 2006·3 cites·7 claims
- 2457US6552455B1Hydrodynamic bearing and spindle motorSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Apr 22, 2003·6 cites·16 claims
- 2555US6771459B1Spindle motor and hard disc drive incorporating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Aug 3, 2004·7 cites·4 claims
- 2655US2008170815A1Hydrodynamic bearing assemblySUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Application pending·0 cites
- 2753US5543371ASlide member and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Aug 6, 1996·9 cites·8 claims
- 2848US6428211B1Hydrodynamic gas bearing structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Aug 6, 2002·11 cites·19 claims
- 2947US6870289B1Dynamic-pressure bearing and spindle motor comprising the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 22, 2005·2 cites·7 claims
- 3043US2004156569A1Dynamic pressure bearing with improved starting characteristicsSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Application pending·0 cites
- 3142US5944427ADynamic pressure gas bearing structure and method of manufacturing the same as well as method of using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Aug 31, 1999·8 cites·13 claims
- 3242US5922629ASilicon nitride ceramic sliding material and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Jul 13, 1999·7 cites·6 claims
- 3339US6123460AHydrodynamic gas bearing structure and optical deflection scanner comprising the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Sep 26, 2000·6 cites·10 claims
- 3435US4709844APressure welding bonding apparatusLIFE TECHNOLOGY RESEARCH FOUND·Filed 1986·Granted Dec 1, 1987·6 cites·8 claims
- 3532US5385701AMethod of molding silicon nitride ceramicsSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 31, 1995·2 cites·2 claims
- 3627US5141579AProducingSi3 N4 composite by sheeting a mixture of Si3 N.sub.SUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Aug 25, 1992·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →