Inventor
KUMEI TAKANORI
JP3 patents
Patents
3 patentsUS11246382B2Feb 15, 2022
Copper alloy fastener element and slide fastener
YKK CORP0 citations55
US10918171B2Feb 16, 2021
Copper alloy fastener element and slide fastener
YKK CORP0 citations55
US10161019B2Dec 25, 2018
Metallic fastener member having light gold color, and fastener provided therewith
YKK CORP0 citations46