Inventor · disambiguated record
Takafumi Okamoto
Also filed as: OKAMOTO TAKAFUMI
41 granted patents·1 pending application·1,564 citations·filing 1993–2018
98Inventor score
Files withHONDA MOTOR CO LTD25MURATA MANUFACTURING CO11KAWASAKI HEAVY IND LTD4MITSUBISHI ELECTRIC CORP1OKAMOTO TAKAFUMI1
Top patents by PatentIndex Score
42 records- 0198US6045933AMethod of supplying fuel gas to a fuel cellHONDA MOTOR CO LTD·Filed 1998·Granted Apr 4, 2000·270 cites·7 claims
- 0295US5714276AMethod for supplying fuel gas to fuel cell assemblyHONDA MOTOR CO LTD·Filed 1996·Granted Feb 3, 1998·150 cites·10 claims
- 0395US5419980AFuel cell stack and method of pressing together the sameHONDA MOTOR CO LTD·Filed 1993·Granted May 30, 1995·134 cites·27 claims
- 0493US5780179AFuel cell system for use on mobile bodiesHONDA MOTOR CO LTD·Filed 1996·Granted Jul 14, 1998·127 cites·19 claims
- 0593US5723228ADirect methanol type fuel cellHONDA MOTOR CO LTD·Filed 1996·Granted Mar 3, 1998·125 cites·16 claims
- 0692US6255011B1Fuel cell stackHONDA MOTOR CO LTD·Filed 2000·Granted Jul 3, 2001·58 cites·8 claims
- 0789US10618846B2Dielectric porcelain composition, multilayer ceramic capacitor, and method for producing multilayer ceramic capacitorMURATA MANUFACTURING CO·Filed 2018·Granted Apr 14, 2020·3 cites·10 claims
- 0889US6214486B1Fuel cell and method of controlling sameHONDA MOTOR CO LTD·Filed 2000·Granted Apr 10, 2001·32 cites·8 claims
- 0988US9373445B2Multilayer ceramic capacitor and method of manufacturing the sameMURATA MANUFACTURING CO·Filed 2014·Granted Jun 21, 2016·6 cites·17 claims
- 1088US6042955AFuel cell and method of controlling sameHONDA MOTOR CO LTD·Filed 1996·Granted Mar 28, 2000·78 cites·30 claims
- 1186US6048633AFuel cell stackHONDA MOTOR CO LTD·Filed 1998·Granted Apr 11, 2000·84 cites·17 claims
- 1285US5736269AFuel cell stack and method of pressing together the sameHONDA MOTOR CO LTD·Filed 1996·Granted Apr 7, 1998·82 cites·15 claims
- 1382US5837393AFuel battery systemHONDA MOTOR CO LTD·Filed 1996·Granted Nov 17, 1998·68 cites·19 claims
- 1480US5534362AFuel cell stack and method of pressing together the sameHONDA MOTOR CO LTD·Filed 1995·Granted Jul 9, 1996·57 cites·28 claims
- 1578US8358494B2Dielectric ceramic and manufacturing method therefor and laminated ceramic capacitorMURATA MANUFACTURING CO·Filed 2010·Granted Jan 22, 2013·3 cites·20 claims
- 1677US9362053B2Multilayer ceramic capacitor and method of manufacturing the sameMURATA MANUFACTURING CO·Filed 2014·Granted Jun 7, 2016·2 cites·17 claims
- 1777US6416899B1Fuel cell stackHONDA MOTOR CO LTD·Filed 1999·Granted Jul 9, 2002·53 cites·19 claims
- 1876US7105202B2Process for coating inner wall of a thin tube with a resinHONDA MOTOR CO LTD·Filed 2005·Granted Sep 12, 2006·6 cites·5 claims
- 1975US8385049B2Dielectric ceramic and laminated ceramic capacitorMURATA MANUFACTURING CO·Filed 2011·Granted Feb 26, 2013·2 cites·19 claims
- 2075US7976990B2High efficiency fuel cell systemHONDA MOTOR CO LTD·Filed 2005·Granted Jul 12, 2011·3 cites·15 claims
- 2174US8592335B2Dielectric ceramic composition and laminated ceramic capacitorOKAMOTO TAKAFUMI·Filed 2012·Granted Nov 26, 2013·3 cites·21 claims
- 2274US6294280B1Fuel cell stackHONDA MOTOR CO LTD·Filed 1999·Granted Sep 25, 2001·50 cites·7 claims
- 2374US6180273B1Fuel cell with cooling medium circulation arrangement and methodHONDA MOTOR CO LTD·Filed 1996·Granted Jan 30, 2001·43 cites·27 claims
- 2469US9324497B2Dielectric thin film, dielectric thin film element and thin film capacitorMURATA MANUFACTURING CO·Filed 2013·Granted Apr 26, 2016·2 cites·4 claims
- 2569US6833204B2Method of operating phosphoric acid fuel cellHONDA MOTOR CO LTD·Filed 2001·Granted Dec 21, 2004·8 cites·11 claims
- 2668US9153382B2Multilayer ceramic capacitor and method for manufacturing multilayer ceramic capacitorMURATA MANUFACTURING CO·Filed 2013·Granted Oct 6, 2015·1 cites·17 claims
- 2768US5965288AGas humidifying device for use with a fuel cellHONDA MOTOR CO LTD·Filed 1997·Granted Oct 12, 1999·39 cites·8 claims
- 2864US6040073AFuel cellHONDA MOTOR CO LTD·Filed 1997·Granted Mar 21, 2000·34 cites·23 claims
- 2963US9764750B1Apparatus and method of reducing slip/slide of railcarKAWASAKI HEAVY IND LTD·Filed 2016·Granted Sep 19, 2017·1 cites·6 claims
- 3057US10726994B2Multilayer ceramic capacitorMURATA MANUFACTURING CO·Filed 2018·Granted Jul 28, 2020·0 cites·20 claims
- 3157US6582844B2Method of cooling a fuel cellHONDA MOTOR CO LTD·Filed 2000·Granted Jun 24, 2003·2 cites·13 claims
- 3254US6696185B1Fuel cell and fastening method thereforHONDA MOTOR CO LTD·Filed 1997·Granted Feb 24, 2004·18 cites·46 claims
- 3353US6815109B2Fuel cell systemHONDA MOTOR CO LTD·Filed 2001·Granted Nov 9, 2004·1 cites·7 claims
- 3453US6767661B2Fuel cell system and method for operating the sameHONDA MOTOR CO LTD·Filed 2001·Granted Jul 27, 2004·1 cites·7 claims
- 3553US5752988AMethod for producing electrode unit for fuel cellHONDA MOTOR CO LTD·Filed 1997·Granted May 19, 1998·18 cites·12 claims
- 3647US10079106B2Multilayer ceramic capacitorMURATA MANUFACTURING CO·Filed 2017·Granted Sep 18, 2018·0 cites·6 claims
- 3745US9627135B2Laminated ceramic capacitorMURATA MANUFACTURING CO·Filed 2015·Granted Apr 18, 2017·0 cites·4 claims
- 3844US9570235B2Multilayer ceramic capacitorMURATA MANUFACTURING CO·Filed 2015·Granted Feb 14, 2017·0 cites·5 claims
- 3943US11027804B2Underwater sailing body and method of controlling posture of underwater sailing bodyKAWASAKI HEAVY IND LTD·Filed 2017·Granted Jun 8, 2021·0 cites·3 claims
- 4043US10981584B2Wheel load adjusting apparatus of railcarKAWASAKI HEAVY IND LTD·Filed 2017·Granted Apr 20, 2021·0 cites·12 claims
- 4142US2007030561A1Relay amplifierMITSUBISHI ELECTRIC CORP·Filed 2004·Application pending·0 cites
- 4240US10227012B2Brake control device of railcarKAWASAKI HEAVY IND LTD·Filed 2016·Granted Mar 12, 2019·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →