US Patent Issued to NIPPON STEEL on Oct. 6 for "Forged steel roll for cold rolling" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,325, issued on Oct. 6, was assigned to NIPPON STEEL Corp. (Tokyo).

"Forged steel roll for cold rolling" was invented by Seiji Ito (Tokyo), Yoshiki Takahama (Tokyo), Kaho Hirayama (Tokyo), Hakuei Hirokawa (Tokyo), Kazuya Hanaori (Tokyo) and Tomoaki Sera (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a forged steel roll for cold rolling with a Vickers hardness Hy at 400deg C. of 400 or more."

The patent was filed on Aug. 3, 2021, under Application No. 18/578,578.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fse...