ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,616, issued on Nov. 18, was assigned to TAIYO YUDEN Co. LTD. (Tokyo).
"Filter and multiplexer" was invented by Sho Iwasaki (Tokyo) and Jyunichi Hamasaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter includes a support substrate, a piezoelectric layer, one or more series resonators connected in series between input and output terminals, each having first electrode fingers having a first average pitch, one or more parallel resonators having one end connected to a path and another end connected to a ground, each having second electrode fingers having a second average pitch more than a maximum first average pitch, another resonator havi...