ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,556, issued on Sept. 29, was assigned to JDC Corp. (Tokyo).
"Construction apparatus" was invented by Ryota Yamaguchi (Tokyo), Masaaki Kusano (Tokyo), Hiroyuki Kurokawa (Tokyo) and Ryusei Miyake (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mixing system includes a soil mixing device that crushes and grinds construction generated soil and a feed belt conveyor that is engaged with the soil mixing device and conveys the construction generated soil to the soil mixing device. In the feed belt conveyor, the number of degrees of freedom regarding rotation of a cylindrical member engaged with the soil mixing device differs from the number of degr...