Inventor · disambiguated record
Atsushi Ohma
Also filed as: OHMA ATSUSHI
19 granted patents·15 pending applications·50 citations·filing 2000–2021
91Inventor score
Top patents by PatentIndex Score
34 records- 0190US10675611B2Carbon powder for fuel cell and catalyst, electrode catalyst layer, membrane electrode assembly, and fuel cell using the carbon powder for fuel cellNISSAN MOTOR·Filed 2017·Granted Jun 9, 2020·4 cites·15 claims
- 0289US10135074B2Carbon powder for catalyst, catalyst, electrode catalyst layer, membrane electrode assembly, and fuel cell using the carbon powderNISSAN MOTOR·Filed 2014·Granted Nov 20, 2018·7 cites·9 claims
- 0381US6572994B1Polymer electrolyte fuel cell systemTOSHIBA KK·Filed 2000·Granted Jun 3, 2003·25 cites·6 claims
- 0479US9755243B2Electrode catalyst layer for fuel cells, electrode for fuel cells, membrane electrode assembly for fuel cells, and fuel cellMASHIO TETSUYA·Filed 2012·Granted Sep 5, 2017·4 cites·12 claims
- 0575US7901836B2Polymer electrolyte fuel cellNISSAN MOTOR·Filed 2005·Granted Mar 8, 2011·2 cites·16 claims
- 0674US9947934B2Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalystNISSAN MOTOR·Filed 2014·Granted Apr 17, 2018·1 cites·14 claims
- 0774US8026018B2Electrolyte membrane-electrode assembly and production method thereofNISSAN MOTOR·Filed 2006·Granted Sep 27, 2011·4 cites·14 claims
- 0871US9029045B2Gas diffusion electrode and production method for same; membrane electrode assembly and production method for sameSATOU KAZUYUKI·Filed 2010·Granted May 12, 2015·2 cites·32 claims
- 0970US10547075B2Electrode catalyst layer for fuel cellNISSAN MOTOR·Filed 2012·Granted Jan 28, 2020·1 cites·11 claims
- 1064US2014045092A1Electrolytic membrane structure for fuel cell and fuel cellNISSAN MOTOR·Filed 2013·Application pending·0 cites
- 1162US11031604B2Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalystNISSAN MOTOR·Filed 2019·Granted Jun 8, 2021·0 cites·14 claims
- 1261US11715827B2Anode interlayer for lithium batteriesNISSAN NORTH AMERICA INC·Filed 2021·Granted Aug 1, 2023·0 cites·7 claims
- 1361US10535881B2Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalystNISSAN MOTOR·Filed 2014·Granted Jan 14, 2020·0 cites·19 claims
- 1458US2011244360A1Electrolytic membrane structure for fuel cell and fuel cellNISSAN MOTOR·Filed 2011·Application pending·0 cites
- 1557US2011250523A1Fuel cellNISSAN MOTOR·Filed 2011·Application pending·0 cites
- 1656US10573901B2Catalyst and manufacturing method thereof, and electrode catalyst layer using the catalystTANAKA PRECIOUS METAL IND·Filed 2014·Granted Feb 25, 2020·0 cites·11 claims
- 1755US10411268B2Electrode catalyst, method for producing the same, and electrode catalyst layer using electrode catalystNISSAN MOTOR·Filed 2017·Granted Sep 10, 2019·0 cites·8 claims
- 1854US9847532B2Fuel cell electrode catalyst layer, fuel cell electrode, fuel cell membrane electrode assembly and fuel cell having a proton-conductive material coated on a catalyst thereofNISSAN MOTOR·Filed 2012·Granted Dec 19, 2017·0 cites·18 claims
- 1953US2012282537A1Fuel cellOHMA ATSUSHI·Filed 2012·Application pending·0 cites
- 2053US2007224477A1Fuel CellNISSAN MOTOR·Filed 2005·Application pending·0 cites
- 2152US8329359B2Polymer electrolyte fuel cellOHMA ATSUSHI·Filed 2011·Granted Dec 11, 2012·0 cites·16 claims
- 2251US2016079605A1Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalystNISSAN MOTOR·Filed 2014·Application pending·0 cites
- 2350US2010086830A1Electrolytic Membrane Structure For Fuel Cell and Fuel CellNISSAN MOTOR·Filed 2004·Application pending·0 cites
- 2448US2016079606A1Catalyst, and electrode catalyst layer, membrane electrode assembly and fuel cell using the catalystNISSAN MOTOR·Filed 2014·Application pending·0 cites
- 2548US2016064744A1Catalyst and electrode catalyst layer for fuel cell having the catalystNISSAN MOTOR·Filed 2014·Application pending·0 cites
- 2646US10367218B2Electrode catalyst layer for fuel cell, method for producing the same, and membrane electrode assembly and fuel cell using the catalyst layerNISSAN MOTOR·Filed 2015·Granted Jul 30, 2019·0 cites·13 claims
- 2745US2007105001A1Fuel cell stackNISSAN MOTOR·Filed 2004·Application pending·0 cites
- 2844US2009035634A1Electrolyte Membrane-Electrode Assembly And Method For Production ThereofNISSAN MOTOR·Filed 2006·Application pending·0 cites
- 2944US2005214626A1Solid polymer fuel cellNISSAN MOTOR·Filed 2005·Application pending·0 cites
- 3042US10320020B2Electrode catalyst for fuel cell, electrode catalyst layer for fuel cell, method for producing the same, and membrane electrode assembly and fuel cell using the catalyst layerNISSAN MOTOR·Filed 2015·Granted Jun 11, 2019·0 cites·7 claims
- 3141US9799903B2Electrocatalyst for solid polymer fuel cellIDEN HIROSHI·Filed 2011·Granted Oct 24, 2017·0 cites·9 claims
- 3241US2021098084A1Method and System for Material ScreeningNISSAN NORTH AMERICA INC·Filed 2019·Application pending·0 cites
- 3338US2012100461A1Hydrophilic porous layer for fuel cells, gas diffusion electrode and manufacturing method thereof, and membrane electrode assemblyIDEN HIROSHI·Filed 2010·Application pending·0 cites
- 3436US2018261866A1Fuel cell electrode catalyst layer and manufacturing method therefor, and membrane electrode assembly, fuel cell, and vehicle using catalyst layerNISSAN MOTOR·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →