ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,752, issued on May 20, was assigned to HITACHI HIGH-TECH Corp. (Tokyo).

"Conveyance device" was invented by Ryosuke Hoshi (Tokyo), Yasuaki Aoyama (Tokyo), Satoru Kaneko (Tokyo), Hiroyuki Kobayashi (Tokyo), Hiroshi Watanabe (Tokyo), Shinji Azuma (Tokyo) and Kuniaki Onizawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An objective of the present invention is to provide a conveyance device that can increase inductance variation while suppressing the lowering of thrust. A conveyance device 1 conveys an article 110 to be conveyed. The article 110 to be conveyed can be conveyed by a magnetic force. The conveyance device 1 comprises a plurality of...