ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,860, issued on Sept. 23, was assigned to AICHI STEEL Corp. (Tokai, Japan).
"Magnetic marker system and magnetic marker system designing method" was invented by Michiharu Yamamoto (Tokai, Japan), Tomohiko Nagao (Tokai, Japan) and Hitoshi Aoyama (Tokai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a designing method for setting a specification of an individual-piece magnetic marker to be laid on a road surface, a specification of the magnetic marker is appropriately set based on a correlation coefficient between a first distribution of strengths of magnetism in a forwarding direction acting on a position at a minimum attachment height in a...