ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,920, issued on Sept. 30, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Radio-frequency module" was invented by Hiromichi Kitajima (Kyoto, Japan) and Takanori Uejima (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A radio-frequency module includes a switch; power amplifiers; a transmission filter that has a passband including a transmission band of a communication band A included in a communication band group X and that has one end connected to an antenna connection terminal via the switch and the other end connected to an output of the power amplifier; a transmission filter that has a passband including a transmission ...