US Patent Issued to HITACHI ASTEMO on March 25 for "Power conversion apparatus" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,910, issued on March 25, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).

"Power conversion apparatus" was invented by Takeshi Ikuyama (Hitachinaka, Japan), Koichi Yahata (Hitachinaka, Japan), Shinichirou Hida (Hitachinaka, Japan) and Yawara Kato (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided a plurality of drive circuits (103 U, 103 L) for driving respective plural switching devices constituting upper arms and lower arms, a power supply circuit for supplying a power supply to the plurality of drive circuits, and a discharge circuit for discharging a capacitor. The power supply circuit includes a firs...