ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,419, issued on Feb. 3, was assigned to TECHNO LINK Co. LTD. (Niigata, Japan).
"Living body stimulation device" was invented by Tatsuyuki Kobayashi (Niigata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A living body stimulation device includes a transformer, a first switch, a second switch, a control unit, and an outputting unit. The control unit generates a first drive signal including a first sine wave pulse group for turning on the first switch and a first discharge pulse group. The control unit generates a second drive signal including a second sine wave pulse group for turning on the second switch and a second discharge pulse group. The ...