https://patentbrief.org/company/nec Plain-English explanations of patents assigned to NEC, newest first. en-us Wed, 29 Jul 2026 00:56:16 GMT https://patentbrief.org/patent/us/9168838/charging-control-system-and-charging-control-method This patent describes a smart charging system for electric vehicles that decides whether to power cars from a local battery or the main electricity grid, and when to recharge that local battery, to help balance power demand. Tue, 27 Oct 2015 00:00:00 GMT https://patentbrief.org/patent/us/9168838/charging-control-system-and-charging-control-method