ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,880, issued on June 17, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Linear conveyance device" was invented by Takuma Nakamura (Tokyo), Shin Sakai (Tokyo), Hiroshi Wakayama (Tokyo), Masaoki Iwase (Tokyo) and Kazuhiko Fukushima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A linear conveyance device includes a conveyance carrier and a stator-side platform. The conveyance carrier includes: a conveyance carrier main structure; a first roller and a second roller; a mover-side magnetic element that drives the conveyance carrier main structure with respect to the stator-side platform; and a mover-side counter moment generating element that ...