US Patent Issued to JFE STEEL on Nov. 11 for "Surface inspection device, surface inspection method, and manufacturing method of metal strip" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,876, issued on Nov. 11, was assigned to JFE STEEL Corp. (Tokyo).

"Surface inspection device, surface inspection method, and manufacturing method of metal strip" was invented by Keisuke Yoshida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surface inspection device of a metal strip includes: a first light source unit configured to emit light to a surface of a metal strip; a first imaging unit configured to image regular reflection light on the surface by emission light from the first light source unit; a second light source unit configured to emit light of a wavelength band different from the first light source unit to the surface; a second...