YA-CHANG HWANG

Person

  • PINGTUNG COUNTY, TW

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CAP AND METHOD FOR FORMING THE SAME

    • Publication number 20220211137
    • Publication date Jul 7, 2022
    • YA-CHANG HWANG
    • A42 - HEADWEAR
  • Information Patent Application

    CAP AND METHOD FOR FORMING THE SAME

    • Publication number 20220184896
    • Publication date Jun 16, 2022
    • YA-CHANG HWANG
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL