ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,943, issued on March 11, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).
"Control device" was invented by Yuta Nakamura (Utsunomiya, Japan), Masatoshi Goto (Shimotsuke, Japan), Yoshinori Sagiya (Shimotsuke, Japan), Kazunari Kurokawa (Oyama, Japan), Shugo Ueno (Utsunomiya, Japan) and Shintaro Tai (Utsunomiya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device that does not require arithmetic processing of a phase current can be provided. A control device in which a plurality of switching legs including a pair of semiconductor switching elements constituting an upper arm and a lower arm are provided in a number correspond...