ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,816, issued on Oct. 21, was assigned to TMEIC Corp. (Chuo-ku, Japan).
"Sub-module of power conversion device" was invented by Yuki Miyazaki (Chuo-ku, Japan) and Akira Sato (Chuo-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sub-module of a power conversion device includes: an IGBT, a drive circuit that drives the IGBT, a laminated bus bar on which the IGBT is mounted; a substrate on which the drive circuit is mounted; a housing frame for accommodating the IGBT, the drive circuit, the laminated bus bar, and the substrate; and a separation frame for separating a space in which the drive circuit and the substrate are disposed from a space ...