ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,112, issued on May 13, was assigned to Rohm Co. Ltd. (Kyoto, Japan).

"Controlling an output transistor of a switching power supply" was invented by Shidong Guan (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switching power supply includes a switching output stage configured to generate an output voltage by rectifying and smoothing a switching voltage that is pulse-driven as an output transistor is turned on and off. An oscillation circuit is configured to generate an on signal that alternates between an on period and an off period at a predetermined switching frequency, and a logic circuit is configured to set the on period of the o...