ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,522, issued on Oct. 21, was assigned to Niterra Co. Ltd. (Nagoya, Japan).
"Ultrasonic transducer" was invented by Yuichiro Hanawa (Nagoya, Japan), Asuka Tsujii (Nagoya, Japan), Ryo Suzuki (Nagoya, Japan), Shinsuke Itoh (Nagoya, Japan), Takashi Kasashima (Nagoya, Japan), Toshihito Sonobe (Nagoya, Japan) and Hirotoshi Yoshizaki (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic transducer (1) including: a plurality of vibrators (11); and a connection portion (30) connecting the vibrators (11) to each other. Each of the vibrators (11) has a piezoelectric element (21) and a vibration plate (20) joined to the piezoelectric elemen...