ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,998, issued on Jan. 20, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Golf club head" was invented by Naruhiro Mizutani (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head includes at least one adjustment member that is detachably fixed to the head outer surface in a state where a body wall is sandwiched by the adjustment member. A head body has at least one opening that penetrates through the body wall. The adjustment member includes an inner portion, an outer portion, and a rotary connecting portion. Rotational positions of the inner portion include a pass-through position that allows the inner portion to pass thro...