ALEXANDRIA, Va., April 7 -- United States Patent no. 12,599,027, issued on April 7, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).

"Electric circuit body and power conversion device" was invented by Yasuhiro Tsuyuki (Tokyo), Nobutake Tsuyuno (Tokyo), Eiichi Ide (Tokyo) and Yujiro Kaneko (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric circuit body including a power semiconductor element joined to one surface of a conductor plate; a sheet member including an insulating layer joined to the other surface of the conductor plate; a sealing member that integrally seals the sheet member, the conductor plate, and the power semiconductor element in a state where a surface of t...