https://patentbrief.org/company/hitachi-automotive-systems Plain-English explanations of patents assigned to Hitachi Automotive Systems, newest first. en-us Wed, 29 Jul 2026 01:01:30 GMT https://patentbrief.org/patent/us/9397374/secondary-battery-module-battery-information-management-device-battery-informati This patent describes a system that reads electrical characteristics and usage history from a rechargeable battery module to determine if it's good enough to be used again for a different purpose, like energy storage. Tue, 19 Jul 2016 00:00:00 GMT https://patentbrief.org/patent/us/9397374/secondary-battery-module-battery-information-management-device-battery-informati