ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,428, issued on April 7, was assigned to ROHM Co. LTD. (Kyoto, Japan).
"Transducer and electronic device" was invented by Takashi Naiki (Kyoto, Japan), Noriyuki Shimoji (Kyoto, Japan), Tomohiro Date (Kyoto, Japan), Kenji Gouda (Kyoto, Japan) and Yurina Amamoto (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A transducer includes: a film support portion; a vibration film that is connected to the film support portion and capable of displacing in a thickness direction; a base material having an opposed surface that is opposed to the vibration film; and a first piezoelectric element that is provided with a pair of electrodes and a piezoelect...