ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,755, issued on Nov. 11, was assigned to HITACHI LTD. (Tokyo).
"Power module and power conversion device using the same" was invented by Nobutake Tsuyuno (Tokyo), Takahiro Araki (Tokyo), Takashi Hirao (Tokyo) and Takeshi Tokuyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power module includes a power semiconductor element converting DC power into AC power and outputting the AC power to a motor; a conductor electrically connected to the power semiconductor element; a substrate having a substrate wiring connected to the conductor on a surface; and a resin sealing material sealing the power semiconductor element, the conductor, and the sub...