US Patent Issued to NIKON on April 21 for "Blade member and structural member" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,125, issued on April 21, was assigned to NIKON Corp. (Tokyo).

"Blade member and structural member" was invented by Masayuki Shiraishi (Kumagaya, Japan), Takahiro Kurashima (Tokyo) and Baku Ogasawara (Kumagaya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blade member on a surface of which a groove structure is formed, wherein the groove structure includes a plurality of first groove structures, a plurality of second groove structures, and a third groove structure, the plurality of first groove structures are formed to extend in a first direction, the plurality of second groove structures are formed to extend in a second direction that is ...