ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,943, issued on Sept. 16, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).
"Electronic device including a circuit storing a signal" was invented by Shunpei Yamazaki (Setagaya, Japan) and Jun Koyama (Sagamihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable electronic device that can operate even when electric power supplied through contactless charge by electromagnetic induction is low is provided. The portable electronic device includes a reflective liquid crystal display which includes a transistor including an oxide semiconductor, a power source portion which includes a rechargeable battery capable of ch...