ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,284, issued on Sept. 9, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Semiconductor device and method for manufacturing semiconductor device" was invented by Shunpei Yamazaki (Tokyo), Tetsuya Kakehata (Kanagawa, Japan), Yasuhiro Jinbo (Kanagawa, Japan) and Yuji Egi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device with a small variation in characteristics is provided. A semiconductor device includes an oxide, a first conductor and a second conductor over the oxide, a first insulator over the first conductor, a second insulator over the second conductor, a third insulator over the fir...