ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,557,927, issued on Feb. 24, was assigned to TENMINDS Co. LTD. (Seoul, South Korea).
"Motion pillow" was invented by Seung Woong Jang (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motion pillow includes an air bag connected to an air pump through an air hose, an inner cover to wrap the air bag, an outer cover to wrap the inner cover at the outside of the inner cover, and a noise reduction device between the air pump and the air bag. The noise reduction device includes a housing, a first connector to protrude from one end of the housing, connected to the air pump, and having an inner diameter smaller than that of the housing, a seco...