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Patent portfolio assigned to Coreshell Technologies (verified via public assignee records). Coreshell Technologies (San Leandro, CA), silicon-anode/coating tech for EV batteries using domestic metallurgical silicon. Ferroglobe is a named silicon-supplier/technology partner (also names Top Materials as equipment supplier; automaker A-sample recipients unnamed). has_patents=true: WO2022047268A1 'Deposition of films onto battery material powders' filed by Coreshell Technologies Inc (per search snippet); exact count not retrieved. No direct competitors sourced