ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,483, issued on March 25, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Golf club head and golf club" was invented by Naruhiro Mizutani (Kobe, Japan), Kiyofumi Matsunaga (Kobe, Japan), Jun Kodaka (Kobe, Japan), Hirotaka Nakamura (Kobe, Japan), Daisuke Kohno (Kobe, Japan) and Shinya Furuta (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head includes a face portion, a crown portion, a sole portion, and a hosel portion. The crown portion includes a protruding portion on a crown outer surface. The protruding portion does not form any part of an outer contour line of the head in a front view of the head as viewed from a f...