ALEXANDRIA, Va., May 5 -- United States Patent no. 12,616,279, issued on May 5, was assigned to YKK Corp. (Tokyo).
"Surface fastener" was invented by Yoshiyuki Fukuhara (Toyama, Japan) and Takuya Nozaki (Toyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surface fastener includes a base portion and a plurality of engaging elements, the base portion and the engaging elements include a thermoplastic resin at least partially including a plant-derived resin, the plant-derived resin has an MFR of 5 g/10 min or more and 30 g/10 min or less, and has a flexural modulus of 800 MPa or more and 2300 MPa or less, and, in plan view of each of the engaging elements, the engaging head portion is such that at le...