TREA

HSING-YANG SU

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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-speed hub gear
    • Patent number 11,518,476
    • Issue date Dec 6, 2022
    • SUN RACE STURMEY-ARCHER INC.
    • Hsing-Yang Su
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-SPEED HUB GEAR
    • Publication number 20210155319
    • Publication date May 27, 2021
    • Sun Race Sturmey-Archer Inc.
    • HSING-YANG SU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...