ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,963, issued on March 31, was assigned to SEIKO EPSON Corp. (Japan).
"Ultrasonic device and medium transport device" was invented by Masayoshi Yamada (Shiojiri, Japan) and Eiji Osawa (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic device includes: an ultrasonic element that has a transmission surface transmitting an ultrasonic wave and that transmits the ultrasonic wave in a direction intersecting the transmission surface; a wiring arranged at a transmission surface outer circumference of the transmission surface and coupled to the ultrasonic element; a shield covering the wiring; a holder arranged at a shield outer ci...