Inventor · disambiguated record
Tatsuya Kawahara
Also filed as: KAWAHARA TATSUYA
18 granted patents·5 pending applications·570 citations·filing 1996–2019
95Inventor score
Top patents by PatentIndex Score
23 records- 0195US5797123AMethod of key-phase detection and verification for flexible speech understandingLUCENT TECHNOLOGIES INC·Filed 1996·Granted Aug 18, 1998·285 cites·32 claims
- 0286US6106963AFuel-cells systemTOYOTA MOTOR CO LTD·Filed 1998·Granted Aug 22, 2000·74 cites·8 claims
- 0383US6733911B2Fuel cellTOYOTA MOTOR CO LTD·Filed 2001·Granted May 11, 2004·23 cites·9 claims
- 0483US6653252B2Method of manufacturing electrode or electrode-electrolyte membrane joint body for fuel cell and electrode for fuel cellTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 25, 2003·22 cites·8 claims
- 0582US6713020B2Device and method for evaluating performance of fuel cells, device and method for evaluating specific surface area of fuel-cell electrode catalysts, fuel-cell electrode catalyst, and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2001·Granted Mar 30, 2004·21 cites·10 claims
- 0681US6933067B2Fuel cellTOYOTA MOTOR CO LTD·Filed 2001·Granted Aug 23, 2005·26 cites·15 claims
- 0777US6921604B2Device and method for evaluating performance of fuel cells, device and method for evaluating specific surface area of fuel-cell electrode catalysts, fuel-cell electrode catalyst, and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2004·Granted Jul 26, 2005·14 cites·5 claims
- 0876US10339930B2Voice interaction apparatus and automatic interaction method using voice interaction apparatusUNIV KYOTO·Filed 2017·Granted Jul 2, 2019·3 cites·6 claims
- 0974US6589685B2Fuel cell electrode catalyst solution and production method thereforTOYOTA MOTOR CO LTD·Filed 2001·Granted Jul 8, 2003·12 cites·8 claims
- 1072US6015635AElectrode for fuel cell and method of manufacturing electrode for fuel cellTOYOTA MOTOR CO LTD·Filed 1998·Granted Jan 18, 2000·41 cites·18 claims
- 1171US10452352B2Voice interaction apparatus, its processing method, and programTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 22, 2019·1 cites·6 claims
- 1268US6864011B2Fuel-cell electrode and method of manufacturing the fuel-cell electrodeTOYOTA MOTOR CO LTD·Filed 2002·Granted Mar 8, 2005·8 cites·7 claims
- 1363US6280872B1Electrode for fuel cell and a method for producing the electrodeTOYOTA MOTOR CO LTD·Filed 1999·Granted Aug 28, 2001·17 cites·7 claims
- 1462US6887286B1Fuel reformer deviceTOYOTA MOTOR CO LTD·Filed 1999·Granted May 3, 2005·22 cites·18 claims
- 1561US7455888B2Method and apparatus for forming catalyst layer on substrate constituting membrane electrode assemblyTOYOTA JIDOSHOKKI KK·Filed 2005·Granted Nov 25, 2008·1 cites·5 claims
- 1655US8802314B2Reinforced electrolyte membrane for fuel cell, membrane-electrode assembly for fuel cell, and polymer electrolyte fuel cell comprising the sameAKITA YASUHIRO·Filed 2009·Granted Aug 12, 2014·0 cites·13 claims
- 1753US9985297B2Durability test device of membrane electrode assembly and durability test method thereofTOYOTA MOTOR CO LTD·Filed 2014·Granted May 29, 2018·0 cites·4 claims
- 1848US10222248B2Platinum temperature sensor elementKOA CORP·Filed 2017·Granted Mar 5, 2019·0 cites·5 claims
- 1943US2020075007A1Voice interaction system, voice interaction method, program, learning model generation apparatus, and learning model generation methodUNIV KYOTO·Filed 2019·Application pending·0 cites
- 2043US2009239116A1Assembly for fuel cell, fuel cell, and method for manufacturing fuel cellTOYOTA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 2143US2010062305A1Electrode catalyst layer for fuel cell and method of producing the sameKADOTANI SATOSHI·Filed 2008·Application pending·0 cites
- 2236US2002045089A1Diffusion layer for a fuel cell and a method and apparatus for manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2001·Application pending·0 cites
- 2329US2001049048A1Method of manufacturing electrode of electrode-electrolyte membrane joint body for fuel cell and electrode for fuel cellFiled 1998·Application pending·0 cites
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