ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,400,932, issued on Aug. 26, was assigned to HITACHI LTD. (Tokyo).
"Power conversion device with refrigerant" was invented by Kyota Asai (Tokyo) and Takeshi Tokuyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This power conversion device comprises: first and second power circuit units each having a power semiconductor element and a plurality of conductors that hold the power semiconductor element therebetween and that are connected to an emitter and a collector of the power semiconductor element; and a flow channel forming body which houses the first and second power circuit units and through which a refrigerant flows. A conductor at the emitt...