US Patent Issued to Dai Nippon Printing on Sept. 15 for "Valve structure and power storage device" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,591, issued on Sept. 15, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Valve structure and power storage device" was invented by Miho Sasaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve structure includes a passage communicating the inside of a container housing a power storage device element with outside, and a liquid reservoir part located inside the passage and storing a liquid through which gas generated by the power storage device element is permeable."

The patent was filed on July 16, 2021, under Application No. 18/016,548.

*For further information, including images, charts and tables, please visit: http://patft.us...