US Patent Issued to Murata Manufacturing on Sept. 22 for "Switching power supply device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,456, issued on Sept. 22, was assigned to Murata Manufacturing Co. Ltd. (Kyoto-fu, Japan).

"Switching power supply device" was invented by Hiroyuki Takatsuji (Nagaokakyo, Japan) and Tatsuya Hosotani (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switching power supply device includes a power conversion circuit including input and output capacitors, a switching element, and an inductor, a common-mode choke coil between a DC power supply and the power conversion circuit, and a multilayer circuit board on which the power conversion circuit and the common-mode choke coil are mounted. The common-mode choke coil includes a first windi...