Inventor · disambiguated record
Atsuhiko Onuma
Also filed as: ONUMA ATSUHIKO
2 granted patents·11 pending applications·6 citations·filing 2007–2022
51Inventor score
Top patents by PatentIndex Score
13 records- 0187US11492685B2Alloy member, process for producing said alloy member, and product including said alloy memberHITACHI METALS LTD·Filed 2018·Granted Nov 8, 2022·3 cites·12 claims
- 0271US8597854B2Polymer electrolyte membrane, and membrane electrode assembly and polymer electrolyte fuel cell using the sameONUMA ATSUHIKO·Filed 2011·Granted Dec 3, 2013·3 cites·11 claims
- 0357US2024304365A1Iron-chromium-cobalt alloy magnet and method for producing samePROTERIAL LTD·Filed 2022·Application pending·0 cites
- 0446US2013084512A1Fuel battery systemSUZUKI SHUICHI·Filed 2012·Application pending·0 cites
- 0545US2014093792A1Solid polymer electrolyte membrane and fuel cell using the sameHITACHI LTD·Filed 2013·Application pending·0 cites
- 0645US2008261100A1Polymer electrolyte membrane and membrane electrode assemblyONUMA ATSUHIKO·Filed 2008·Application pending·0 cites
- 0743US2012164554A1Membrane electrode assembly, fuel cell with the same, and fuel cell generating systemSUZUKI SHUICHI·Filed 2011·Application pending·0 cites
- 0843US2011123897A1Membrane-electrode assembly and fuel cell using the sameHITACHI LTD·Filed 2010·Application pending·0 cites
- 0940US2013059229A1Electrolyte material, and proton conductive polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell using the sameONUMA ATSUHIKO·Filed 2012·Application pending·0 cites
- 1039US2007287051A1Polymer electroyte membrane, membrane/electrode assembly and fuel cell using the assemblyONUMA ATSUHIKO·Filed 2007·Application pending·0 cites
- 1137US2012082919A1Polymer electrolyte fuel cellONUMA ATSUHIKO·Filed 2011·Application pending·0 cites
- 1234US2016064779A1Lithium ion battery systemHITACHI LTD·Filed 2015·Application pending·0 cites
- 1332US2010209813A1Block copolymer, and polymer electrolyte, polymer electrolyte membrane, membrane electrode assembly and fuel cell using sameONUMA ATSUHIKO·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →