ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,864, issued on Nov. 11, was assigned to SANYO Electric Co. Ltd. (Osaka, Japan).
"Battery module" was invented by Nobuo Iwatsuki (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Battery module includes: a battery stack in which a plurality of batteries provided with a valve that ejects gas are stacked in a first direction; a discharge path that discharges gas ejected from the valve in a second direction intersecting the first direction; light emitter that is provided on one end in the first direction of the battery stack and emits light to the discharge path; and light receiver that is provided on another end in the first direction of the...