ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,134, issued on Dec. 2, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).
"Secondary battery and electronic device" was invented by Minoru Takahashi (Nagano, Japan) and Ryota Tajima (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery suitable for a portable information terminal or a wearable device is provided. An electronic device having a novel structure which can have various forms and a secondary battery that fits the forms of the electronic device are provided. In the secondary battery, sealing is performed using a film provided with depressions or projections that ease stress on the f...