Inventor · disambiguated record
Hisao Takeuchi
Also filed as: TAKEUCHI HISAO
35 granted patents·11 pending applications·467 citations·filing 1985–2016
97Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES36MITSUBISHI CHEM CORP5ISOJIMA TATSUSHI2FUNAYAMA KATSUYA1MIYANAGA MICHIMASA1
Top patents by PatentIndex Score
46 records- 0188US6417590B1Spindle motorSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 9, 2002·22 cites·2 claims
- 0287US6749339B1Hydrodynamic bearing assembly and spindle motor having the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jun 15, 2004·18 cites·16 claims
- 0385US5904993AJoint body of aluminum and silicon nitride and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted May 18, 1999·53 cites·20 claims
- 0484US6702464B1Dynamic pressure bearing with improved starting characteristicsSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 9, 2004·18 cites·7 claims
- 0579US8183057B2Biomaterial construct, its producing method, biomaterial support, target material purifying method, affinity chromatography container, separation chip, analyzing method and analyzing separator for target material, biomaterial complex, and its support, sensor chip, solid support with biomaterial fixed thereonISOJIMA TATSUSHI·Filed 2005·Granted May 22, 2012·8 cites·40 claims
- 0678US6502989B1Dynamic pressure bearing and spindle motor with the bearingSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jan 7, 2003·23 cites·23 claims
- 0778US6082900ADynamic pressure pneumatic bearing structure and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jul 4, 2000·43 cites·34 claims
- 0873US10734665B2Method for producing cell structureSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Aug 4, 2020·1 cites·3 claims
- 0973US6608415B2Spindle motorSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Aug 19, 2003·11 cites·10 claims
- 1071US4886709AMember for semiconductor apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Dec 12, 1989·38 cites·9 claims
- 1169US7033078B2Hydrodynamic bearing assembly and spindle motor having the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Apr 25, 2006·7 cites·6 claims
- 1269US5034357AHeat-conductive aluminum nitride sintered body and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Jul 23, 1991·30 cites·23 claims
- 1368US7360950B2Hydrodynamic bearing assemblySUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Apr 22, 2008·2 cites·9 claims
- 1468US5010388AConnection structure between components for semiconductor apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Apr 23, 1991·36 cites·9 claims
- 1567US6918955B2Ink-jet recording liquid and process for producing the sameMITSUBISHI CHEM CORP·Filed 2004·Granted Jul 19, 2005·10 cites·22 claims
- 1666US9297800B2Biomaterial construct, its producing method, biomaterial support, target material purifying method, affinity chromatography container, separation chip, analyzing method and analyzing separator for target material, biomaterial complex, and its support, sensor chip, solid support with biomaterial fixed thereonISOJIMA TATSUSHI·Filed 2011·Granted Mar 29, 2016·1 cites·23 claims
- 1764US5036026ASintered body of aluminum nitride and method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Jul 30, 1991·17 cites·5 claims
- 1861US5618765ACeramics porous body and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Apr 8, 1997·19 cites·18 claims
- 1959US5085923AHeat-conductive aluminum nitride sintered body and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Feb 4, 1992·24 cites·6 claims
- 2057US8293011B2Method for growing group III nitride semiconductor crystal and growing device for group III nitride semiconductor crystalMIYANAGA MICHIMASA·Filed 2008·Granted Oct 23, 2012·2 cites·5 claims
- 2156US4659508AElectrically-conductive sintered compact of silicon nitride machinable by electrical discharge machining and process of producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Apr 21, 1987·13 cites·7 claims
- 2255US2008170815A1Hydrodynamic bearing assemblySUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Application pending·0 cites
- 2354US10424801B2Cell structure, method for manufacturing the same, and fuel cellSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Sep 24, 2019·0 cites·5 claims
- 2454US2016156058A1Composite material for fuel cell, method for producing composite material for fuel cell, and fuel cellSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Application pending·0 cites
- 2553US5756411ASintered body of silicon nitride and method of producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted May 26, 1998·12 cites·19 claims
- 2651US5695700AMethod of preparing a ceramic porous bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 9, 1997·15 cites·20 claims
- 2751US2010096009A1Porous silica, optical-purpose layered product and composition, and method for producing porous silicaMITSUBISHI CHEM CORP·Filed 2008·Application pending·0 cites
- 2850US5770322ACeramic sliding componentSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jun 23, 1998·11 cites·24 claims
- 2948US6256885B1Hydrodynamic gas bearing and manufacturing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 10, 2001·2 cites·4 claims
- 3048US2011177306A1Novel Core-Shell StructureMITSUBISHI CHEM CORP·Filed 2005·Application pending·0 cites
- 3148US2009028950A1Granule dispersion composition, process for producing the same, and granular material and medicineMITSUBISHI CHEM CORP·Filed 2006·Application pending·0 cites
- 3247US2011261443A1Heat ray reflective film and laminate thereof, and coating fluid for forming heat ray reflective layerMITSUBISHI CHEM CORP·Filed 2009·Application pending·0 cites
- 3344US2014127114A1Porous silica, optical-purpose layered product and composition, and method for producing porous silicaFUNAYAMA KATSUYA·Filed 2014·Application pending·0 cites
- 3443US7255744B2Low-resistivity n-type semiconductor diamond and method of its manufactureSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Aug 14, 2007·0 cites·13 claims
- 3543US2004156569A1Dynamic pressure bearing with improved starting characteristicsSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Application pending·0 cites
- 3642US5944427ADynamic 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
- 3742US2018205105A1Electrolyte layer-anode composite member for fuel cell and method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Application pending·0 cites
- 3840US2018375114A1Proton conductor, cell structure, methods for producing proton conductor and cell structure, fuel cell, and water electrolysis deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Application pending·0 cites
- 3939US6123460AHydrodynamic gas bearing structure and optical deflection scanner comprising the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Sep 26, 2000·6 cites·10 claims
- 4039US2018037508A1Proton conductor, solid electrolyte layer for fuel cell, cell structure, and fuel cell including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Application pending·0 cites
- 4138US5783314ASliding component and production method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jul 21, 1998·6 cites·18 claims
- 4233US5809842ACeramic sliding componentSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Sep 22, 1998·3 cites·23 claims
- 4332US6200033B1Hydrodynamic gas bearing and manufacturing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Mar 13, 2001·2 cites·9 claims
- 4431US5603788AMethod of manufacturing a ceramics-type vacuum vesselSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Feb 18, 1997·2 cites·20 claims
- 4528US8277640B2Thermal cracking process and facility for heavy petroleum oilTAMAGAWA ATSUSHI·Filed 2007·Granted Oct 2, 2012·0 cites·3 claims
- 4627US4794798ADevice for measuring Young's modulus and internal friction of specimenSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Jan 3, 1989·4 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Hisao Takeuchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →