Shengzhao Liu

Person

  • Shenzhen, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Focus gear ring

    • Patent number D1081767
    • Issue date Jul 1, 2025
    • TILTA INC.
    • Shengzhao Liu
    • D16 - Photography and optical equipment

Patents Applicationslast 30 patents