Japan's Patent Office Accepts Osaka Forming's Application for the Concept of E-Lock Square Welded Nut

Osaka's concept of "E-Lock Square Welded Nut" has been accepted by the patent office. This original brand possesses both anti-loosening and dropping-preventive functions. The two-wing and three-wing nuts of "E-Lock Square Welded Nut" are respectively logged to registration code No. 1521826 and No. 1522223 under the category "welded nut". Registration date is March 20, 2015.