Assignee
TOYO TANSO CO
JP·69 granted patents·52 pending applications·611 citations·filing 1980–2023
Top patents by PatentIndex Score
121 records- 0193US4350576AMethod of producing a graphite intercalation compoundTOYO TANSO CO·Filed 1980·Granted Sep 21, 1982·56 cites·6 claims
- 0291US7285194B2Conductive diamond electrode and process for producing the sameTOYO TANSO CO·Filed 2005·Granted Oct 23, 2007·19 cites·2 claims
- 0390US6740403B2Graphitic polyhederal crystals in the form of nanotubes, whiskers and nanorods, methods for their production and uses thereofTOYO TANSO CO·Filed 2001·Granted May 25, 2004·47 cites·33 claims
- 0490US4888242AGraphite sheet materialTOYO TANSO CO·Filed 1987·Granted Dec 19, 1989·76 cites·12 claims
- 0589US6936102B1SiC material, semiconductor processing equipment and method of preparing SiC material thereforTOYO TANSO CO·Filed 2000·Granted Aug 30, 2005·33 cites·22 claims
- 0686US6455160B1High purity C/C composite and manufacturing method thereofTOYO TANSO CO·Filed 2000·Granted Sep 24, 2002·30 cites·17 claims
- 0784US6818105B2Apparatus for generating fluorine gasTOYO TANSO CO·Filed 2001·Granted Nov 16, 2004·27 cites·27 claims
- 0883US9644894B2Semiconductor device manufacturing apparatusTOYO TANSO CO·Filed 2014·Granted May 9, 2017·6 cites·9 claims
- 0980US10522386B2Susceptor and method for manufacturing sameTOYO TANSO CO·Filed 2015·Granted Dec 31, 2019·3 cites·11 claims
- 1079US10718569B2Heat treat furnace jigTOYO TANSO CO·Filed 2014·Granted Jul 21, 2020·2 cites·19 claims
- 1178USD935425SSusceptor for use in production of a semiconductorTOYO TANSO CO·Filed 2019·Granted Nov 9, 2021·4 cites·1 claims
- 1278US6136094ACrucible for crystal pulling and method of manufacturing sameTOYO TANSO CO·Filed 1997·Granted Oct 24, 2000·39 cites·20 claims
- 1374US5160415ACarbon electrode, and method and apparatus for the electrolysis of a hydrogen fluoride-containing molten salt with the carbon electrodeTOYO TANSO CO·Filed 1991·Granted Nov 3, 1992·23 cites·5 claims
- 1473US6432538B1Carbon fiber reinforced carbon composite and useful as components for pulling single crystal apparatusTOYO TANSO CO·Filed 2000·Granted Aug 13, 2002·13 cites·16 claims
- 1573US5505929AMethod for manufacturing high purity graphite material and manufacturing apparatus for use thereofTOYO TANSO CO·Filed 1994·Granted Apr 9, 1996·23 cites·1 claims
- 1672US11702344B2Method of producing porous carbon, and electrode and catalyst carrier containing porous carbon produced by the methodTOYO TANSO CO·Filed 2021·Granted Jul 18, 2023·0 cites·8 claims
- 1771US5294300AProduction method of expanded graphite sheet and expanded graphite sheet obtained therebyTOYO TANSO CO·Filed 1992·Granted Mar 15, 1994·35 cites·5 claims
- 1870US10903613B2Resin bonded carbonaceous brush and method of manufacturing the sameTOYO TANSO CO·Filed 2015·Granted Jan 26, 2021·2 cites·7 claims
- 1969US2020190383A1Expanded-graphite sheetTOYO TANSO CO·Filed 2019·Application pending·0 cites
- 2068US7316765B2Apparatus and method for molten salt electrolytic bath controlTOYO TANSO CO·Filed 2004·Granted Jan 8, 2008·7 cites·8 claims
- 2165US10014176B2SiC substrate treatment methodTOYO TANSO CO·Filed 2015·Granted Jul 3, 2018·1 cites·12 claims
- 2264US10538691B2Expanded-graphite sheetTOYO TANSO CO·Filed 2017·Granted Jan 21, 2020·0 cites·23 claims
- 2364US6881680B2Low nitrogen concentration carbonaceous material and manufacturing method thereofTOYO TANSO CO·Filed 2002·Granted Apr 19, 2005·7 cites·14 claims
- 2463US9704733B2Storing container, storing container manufacturing method, semiconductor manufacturing method, and semiconductor manufacturing apparatusTOYO TANSO CO·Filed 2013·Granted Jul 11, 2017·1 cites·7 claims
- 2563US9570306B2Surface treatment method for single crystal SiC substrate, and single crystal SiC substrateTOYO TANSO CO·Filed 2013·Granted Feb 14, 2017·1 cites·12 claims
- 2663US5419889AMethod for manufacturing high purity graphite materialTOYO TANSO CO·Filed 1994·Granted May 30, 1995·16 cites·2 claims
- 2763US2020318908A1Heat treat furnace jigTOYO TANSO CO·Filed 2020·Application pending·0 cites
- 2862US12126031B2Supported platinum catalyst, cathode for fuel cell, fuel cell, and method for producing supported platinum catalystTOYO TANSO CO·Filed 2020·Granted Oct 22, 2024·0 cites·16 claims
- 2962US10388536B2Etching method for SiC substrate and holding containerTOYO TANSO CO·Filed 2015·Granted Aug 20, 2019·1 cites·2 claims
- 3062US9991175B2Method for estimating depth of latent scratches in SiC substratesTOYO TANSO CO·Filed 2015·Granted Jun 5, 2018·1 cites·8 claims
- 3162US7517516B2High purity carbonaceous material and ceramic coated high purity carbonaceous materialTOYO TANSO CO·Filed 2004·Granted Apr 14, 2009·4 cites·11 claims
- 3261US6528168B1Carbon/silicon carbide composite materialTOYO TANSO CO·Filed 1998·Granted Mar 4, 2003·18 cites·19 claims
- 3360US7387835B2Silicon carbide-coated carbonaceous material and carbonaceous material to be coated with silicon carbideTOYO TANSO CO·Filed 2004·Granted Jun 17, 2008·5 cites·10 claims
- 3460US2024204210A1Carbon carrier for fuel cell catalyst and fuel cell catalystTOYO TANSO CO·Filed 2022·Application pending·0 cites
- 3559US11235978B2Method of producing porous carbon, and electrode and catalyst carrier containing porous carbon produced by the methodTOYO TANSO CO·Filed 2019·Granted Feb 1, 2022·0 cites·8 claims
- 3659US2008128270A1Electrolytic apparatus for molten saltTOYO TANSO CO·Filed 2008·Application pending·0 cites
- 3758US7128528B2Bearings for CO2 refrigerant compressor use, compressor using the same, and applications of the sameTOYO TANSO CO·Filed 2003·Granted Oct 31, 2006·8 cites·23 claims
- 3858US6489027B1High purity carbon fiber reinforced carbon composites and manufacturing apparatus for use thereofTOYO TANSO CO·Filed 1999·Granted Dec 3, 2002·16 cites·20 claims
- 3957US7556678B2Gas generatorTOYO TANSO CO·Filed 2004·Granted Jul 7, 2009·2 cites·4 claims
- 4057US7351322B2Fluorine gas generator and method of electrolytic bath liquid level controlTOYO TANSO CO·Filed 2003·Granted Apr 1, 2008·2 cites·2 claims
- 4155US7914894B2Flexible, high purity expanded graphite sheet, method of producing same, and carbon crucible lining using said sheetTOYO TANSO CO·Filed 2005·Granted Mar 29, 2011·1 cites·10 claims
- 4254US10137405B2Porous carbon, humidity control adsorbent, adsorption heat pump, and fuel cellTOYO TANSO CO·Filed 2014·Granted Nov 27, 2018·0 cites·15 claims
- 4353US10056623B2Expanded graphite sheet and battery using the expanded graphite sheetTOYO TANSO CO·Filed 2015·Granted Aug 21, 2018·0 cites·15 claims
- 4453US5046703ACarbonaceous sintered compact and fluid sealing member with this contactTOYO TANSO CO·Filed 1990·Granted Sep 10, 1991·17 cites·9 claims
- 4553US2016023177A1Powder stirring deviceTOYO TANSO CO·Filed 2015·Application pending·0 cites
- 4652US8038852B2Fluorine gas generatorTOYO TANSO CO·Filed 2003·Granted Oct 18, 2011·2 cites·14 claims
- 4751US7198247B2Mandrel for producing quartz glass and production method for optical fiber mother material, optical fiber and quartz glass body using the sameTOYO TANSO CO·Filed 2001·Granted Apr 3, 2007·2 cites·4 claims
- 4851US6755911B2Crucible made of carbon fiber-reinforced carbon composite material for single crystal pulling apparatusTOYO TANSO CO·Filed 2002·Granted Jun 29, 2004·4 cites·3 claims
- 4951US2025146196A1C/c composite and ion engine gridTOYO TANSO CO·Filed 2023·Application pending·0 cites
- 5051US2015136017A1Carbon crucible and method of manufacturing sameTOYO TANSO CO·Filed 2013·Application pending·0 cites
Showing the top 50 of 121 patent records by PatentIndex Score.
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