ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,444, issued on Jan. 27, was assigned to Murata Manufacturing Co. Ltd. (Kyoto-fu, Japan).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit board of a switching power supply device includes a positive terminal circuit pattern and a negative terminal circuit pattern that are provided on a component mount surface and respectively supply currents from input parts to two input terminals of a common mode choke coil. The positive terminal circuit pattern and the negative terminal circuit pa...