ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,502, issued on May 20, was assigned to TDK Corp. (Tokyo).
"Multilayered filter device" was invented by Longfei Yi (Tokyo) and Shigemitsu Tomaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter device includes a stack including a plurality of dielectric layers stacked together, and first to third resonators integrated with the stack. Each of the first to third resonators includes a first conductor part and a second conductor part electrically connected to the first conductor part and having an impedance smaller than an impedance of the first conductor part. The first conductor part and the second conductor part are arranged at positions...