US Patent Issued to Hitachi Astemo on Feb. 10 for "Power conversion device and method of controlling power conversion device" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,082, issued on Feb. 10, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Power conversion device and method of controlling power conversion device" was invented by Katsumi Ikegaya (Hitachinaka, Japan) and Yoichiro Kobayashi (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a power conversion device on which an IGBT power module that includes a main IGBT and a current sense IGBT in the same semiconductor chip is mounted, wherein the power conversion device is a high-performance and highly reliable power conversion device capable of accurately estimating a main current flowing through the main IGBT using a sense ...