US Patent Issued to Semiconductor Energy Laboratory on April 15 for "Power storage device and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,325, issued on April 15, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Power storage device and electronic device" was invented by Masayuki Kimura (Atsugi, Japan) and Junya Goto (Atsugi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To improve the flexibility of a power storage device, or provide a high-capacity power storage device. The power storage device includes a positive electrode, a negative electrode, an exterior body, and an electrolyte. The outer periphery of each of the positive electrode active material layer and the negative electrode active material layer is a closed curve. The exterior body includes...