ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,380, issued on July 7, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).
"Battery pack" was invented by Keisuke Shimizu (Osaka, Japan) and Yasuaki Sakagawa (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Battery pack as an example of an exemplary embodiment includes: a plurality of batteries; and case including case body housing the plurality of batteries and case lid covering opening of case body. Case is configured such that when the internal pressure increases due to generation of gas, case body and case lid are relatively displaced in directions away from each other and a gas exhaust opening is forme...