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Shouqi Sun

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #2,784,466 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10612614 Friction material composition Akihito Magara 2020-04-07