ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,285, issued on Aug. 5, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).
"Power storage device valve structural body" was invented by Miho Sasaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve structural body that is easy to attach to a container is for a power storage device, and includes a casing in which a passage through which gas generated inside of the container is discharged to the outside of the container is formed, and a valve mechanism that is accommodated in the casing and allows the gas to pass through the passage to the outside of the container via the passage if the internal pressure of the container has risen due to ...