ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,153, issued on May 12, was assigned to Hitachi High-Tech Corp. (Tokyo).
"Conveyance device" was invented by Satoru Kaneko (Tokyo), Takahiro Suzuki (Tokyo), Yasuaki Aoyama (Tokyo), Ryosuke Hoshi (Tokyo), Shinji Azuma (Tokyo) and Takeshi Tamakoshi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a conveyance device that conveys a conveyance object having a magnetic body, the conveyance device including: a plurality of coils configured to generate magnetic flux acting on the magnetic body; a coil driving unit configured to apply a voltage to each of the plurality of coils; and a calculation control unit including a current control unit ...