ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,296, issued on Sept. 9, was assigned to TS TECH Co. LTD. (Asaka, Japan).

"Seat device" was invented by Takayoshi Ito (Tochigi, Japan), Kensuke Mizoi (Tochigi, Japan), Kohei Kowata (Tochigi, Japan), Taro Murayama (Tochigi, Japan), Yuki Yoshioka (Tochigi, Japan), Kazuhiro Ohshima (Tochigi, Japan), Akira Miyoshi (Tochigi, Japan), Ryuta Kashino (Tochigi, Japan), Hajime Yoshida (Tochigi, Japan), Yichen Li (Tochigi, Japan) and Naoya Matsumoto (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To better fulfill a sleep-inducing function for a seated person, a seat device includes a pressing device provided in a seat back and configured to pres...