ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,221, issued on July 22, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Dielectric filter" was invented by Masashi Arai (Nagaokakyo, Japan) and Hitoshi Tada (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter device includes a laminate body, plate electrodes, resonators, and shield conductors. The plate electrodes are provided in the laminate body and are spaced apart from each other in a lamination direction. The resonators are between the plate electrodes and extend in a first direction. The shield conductors are on respective side surfaces of the laminate body, and connected to the plate electrodes. The reson...