ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,451, issued on Dec. 2, was assigned to Magnolia White Corp. (Tokyo).
"Tactile device" was invented by Michiaki Sakamoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tactile device includes: a substrate provided with a first surface; an organic piezoelectric film arranged on the first surface side; a plurality of electrodes arranged on the first surface; and a plurality of drive circuits arranged between the substrate and the organic piezoelectric film. The plurality of electrodes includes: a common electrode arranged across a plurality of cells; and a plurality of driving electrodes respectively arranged in the plurality of cells. The plur...