ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,634, issued on Aug. 12, was assigned to YAMAHA HATSUDOKI K.K. (Iwata, Japan).

"Conveyance device" was invented by Yoshinori Hayashi (Iwata, Japan) and Hideaki Kouda (Iwata, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conveyance device includes a magnetic scale including linear movement magnetic scales formed linearly along a linear direction, and curvilinear movement magnetic scales formed curvilinearly along a curvilinear direction. The linear movement magnetic scales and the curvilinear movement magnetic scales are spaced apart from each other."

The patent was filed on Aug. 30, 2021, under Application No. 18/683,427.

*For further info...