ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,308, issued on Sept. 16, was assigned to KYORAKU Co. LTD. (Kyoto, Japan).
"Structural body manufacturing method and panel" was invented by Yuki Harasawa (Yamato, Japan), Tadatoshi Tanji (Yamato, Japan), Tatsuya Fukuda (Kakamigahara, Japan), Takurou Matsuda (Kakamigahara, Japan), Sho Nakajima (Kakamigahara, Japan) and Shingo Nagashima (Kakamigahara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a structure is provided in which a burr portion can be more reliably cut. In a burr portion shaping step, the burr portion is sucked to an engaging portion by a suction part to shape the burr portion along the engaging portion...