ALEXANDRIA, Va., April 2 -- United States Patent no. 12,266,392, issued on April 1, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).
"Driving method of semiconductor device" was invented by Shunpei Yamazaki (Tokyo), Hajime Kimura (Kanagawa, Japan) and Hitoshi Kunitake (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a semiconductor device capable of retaining data for a long time. The semiconductor device includes a cell provided with a capacitor, a first transistor, and a second transistor; the capacitor includes a first electrode, a second electrode, and a ferroelectric layer; the ferroelectric layer is provided between the first electrode and the second ...