ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,220, issued on March 17, was assigned to Sony Semiconductor Solutions Corp. (Kanagawa, Japan).

"Imaging device having insulated amplification transistor" was invented by Kyosuke Yamada (Kanagawa, Japan), Atsuhiko Yamamoto (Kanagawa, Japan), Takashi Machida (Tokyo), Hideo Kido (Kanagawa, Japan), Ryo Fukui (Kanagawa, Japan) and Yu Shiihara (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an imaging device capable of suppressing deterioration in characteristics. The imaging device includes a first substrate portion and a second substrate portion on one surface side of the first substrate portion. The first substrate portion ...