US Patent Issued to MURATA MANUFACTURING on June 2 for "Compound filter device" (Japanese Inventor)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,101, issued on June 2, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Compound filter device" was invented by Hiroyuki Yoshioka (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound filter device includes a piezoelectric substrate, a first filter that is a band pass filter and includes a longitudinally coupled resonator acoustic wave filter on the piezoelectric substrate, and a second filter including at least one resonator, and an inductor connected to a ground potential. In a plan view, the longitudinally coupled resonator acoustic wave filter and the inductor overlap to define an overlapping portion, and a di...