US Patent Issued to Hitachi Astemo on May 27 for "Method and system for diagnosing abnormality of power device drive in inverter device" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,209, issued on May 27, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Method and system for diagnosing abnormality of power device drive in inverter device" was invented by Masahiro Doi (Hitachinaka, Japan), Takeo Yamashita (Hitachinaka, Japan) and Mitsuhiro Iwasaki (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an inverter device that detects abnormalities of a power device of the inverter device, and of a gate drive to be able to safely control the inverter device. The inverter device includes a gate voltage detection unit 19 that detects a gate voltage of the power device, and a drain voltage detection ...