Assignee
JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD
GB·12 granted patents·15 pending applications·2 citations·filing 2017–2023
Top patents by PatentIndex Score
27 records- 0184US11705568B2Catalysed membraneJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2020·Granted Jul 18, 2023·2 cites·10 claims
- 0278US12249744B2Catalysed, ion-conducting membraneJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2023·Granted Mar 11, 2025·0 cites·18 claims
- 0378US2025051935A1Catalyst coated membranes for water electrolysersJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 0476US2023352713A1Membrane and processJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 0571US11764367B2Catalyst layerJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2021·Granted Sep 19, 2023·0 cites·13 claims
- 0668US2026031366A1Process and membraneJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 0766US12438158B2Electrocatalyst inkJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2022·Granted Oct 7, 2025·0 cites·18 claims
- 0866US11811073B2CatalystJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2018·Granted Nov 7, 2023·0 cites·6 claims
- 0965US12288885B2Electrocatalyst inkJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2020·Granted Apr 29, 2025·0 cites·20 claims
- 1064US2024266551A1Oxygen evolution reaction catalystJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2022·Application pending·0 cites
- 1164US2025246642A1Oxygen evolution reaction catalystJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2022·Application pending·0 cites
- 1263US12283697B2Catalyst preparationJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2021·Granted Apr 22, 2025·0 cites·12 claims
- 1363US2025075351A1CatalystJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 1460US12308445B2Methods of preparing catalyst materialsJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2021·Granted May 20, 2025·0 cites·7 claims
- 1560US2025059657A1Catalyst coated membranes for water electrolysersJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 1659US2025367611A1Method and apparatus for the production of an ion-conducting membraneJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 1758US2024429418A1Method of manufacturing an ion-conducting membraneJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2022·Application pending·0 cites
- 1858US2024413365A1MethodJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2022·Application pending·0 cites
- 1957US12440828B2Catalyst supportJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2021·Granted Oct 14, 2025·0 cites·14 claims
- 2055US12456738B2Catalyst for a fuel cellJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2020·Granted Oct 28, 2025·0 cites·7 claims
- 2155US2023282843A1Membrane-seal assemblyJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2021·Application pending·0 cites
- 2252US2025305160A1MembraneJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 2352US2023064893A1Electrocatalyst layer decalJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2021·Application pending·0 cites
- 2449US2024372111A1Catalyst-coated membrane and method of manufactureJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2022·Application pending·0 cites
- 2547US12343801B2Nanoparticles and preparation methodJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2019·Granted Jul 1, 2025·0 cites·14 claims
- 2646US11502308B2Catalyst-coated membrane having a laminate structureJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2017·Granted Nov 15, 2022·0 cites·17 claims
- 2741US2023223566A1Process of manufacturing a membrane electrode assemblyJOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD·Filed 2021·Application pending·0 cites
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