ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,688, issued on July 15, was assigned to DAIWA KASEI INDUSTRY Co. LTD. (Okazaki, Japan).
"Clip attachment structure" was invented by Kiyohiro Yoshihashi (Okazaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A clip is attached such that a leg portion protruding downward from a head portion is inserted into a cylindrical insertion hole of an attachment-target member. The clip has a plurality of engagement protrusions protruding from the leg portion and arranged in an insertion direction. The engagement protrusions have engagement corners sharpened to have a corner radius less than 0.2 mm. At the time of insertion into the insertion hole, the e...