ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,294, issued on Jan. 20, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Battery pack, electric tool, and electric vehicle" was invented by Masaaki Sugiyama (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery pack having a high temperature is effectively cooled. The battery pack includes an exterior case, a battery, a battery holder, and a heat absorbing portion. The heat absorbing portion is configured to absorb heat by a phase change. The battery holder includes a first battery holder that holds an electrode portion of the battery and a second battery holder that surrounds a body portion of the battery. The second ...