ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,241, issued on Nov. 25, was assigned to JANOME Corp. (Tokyo).
"Sewing machine" was invented by Kentaro Akahane (Tokyo) and Jun Mafune (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sewing machine includes a sewing pitch setup unit configured to set up a given sewing pitch; a movement detection unit configured to detect a movement of a material to be sewn; a control unit configured to calculate a movement speed of the material on the basis of a movement amount of the material detected by the movement detection unit and to calculate a rotational rate for a sewing machine motor for operating a needle on the basis of the movement speed and the ...