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JL Johnson Matthey Hydrogen Technologies Limited: 1 patents #4 of 10Top 40%
Overall (2025): #413,834 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12249744 Catalysed, ion-conducting membrane Jonathan David Brereton Sharman 2025-03-11