ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,906, issued on Oct. 20, was assigned to DENSO Corp. (Kariya, Japan).

"Deterioration determination device, and power conversion device" was invented by Seiichiro Nishimachi (Kariya-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A deterioration determination device that determines deterioration of a reactor and a smoothing capacitor included in a power conversion device, includes: a storage unit that stores a charge determination value based on a voltage change when the smoothing capacitor with no deterioration is charged by a power source electric power supplied through the reactor with no deterioration; and a calculation unit that determ...