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Ding-Sian CAI

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  • Chiayi County, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic lock
    • Patent number 12,324,071
    • Issue date Jun 3, 2025
    • Tong Lung Metal Industry Co., Ltd.
    • Pai-Hsiang Chuang
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Smart lock
    • Patent number D1063590
    • Issue date Feb 25, 2025
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Mei-Ching Chu
    • D08 - Tools and hardware
  • Information Patent Grant

    Bi-directional electronic lock device and method for setting up the...
    • Patent number 12,234,672
    • Issue date Feb 25, 2025
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Yu Lin
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Electronic lock device and operation method of the same
    • Patent number 12,146,341
    • Issue date Nov 19, 2024
    • Tong Lung Metal Industry Co., Ltd.
    • Pai-Hsiang Chuang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Membrane touch panel device
    • Patent number 11,914,832
    • Issue date Feb 27, 2024
    • Tong Lung Metal Industry Co., Ltd.
    • Pai-Hsiang Chuang
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC LOCK AND METHOD FOR SETTING UP ELECTRONIC LOCK
    • Publication number 20240240496
    • Publication date Jul 18, 2024
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Pai-Hsiang CHUANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MEMBRANE TOUCH PANEL DEVICE
    • Publication number 20230333702
    • Publication date Oct 19, 2023
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Pai-Hsiang CHUANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ELECTRONIC LOCK
    • Publication number 20230284357
    • Publication date Sep 7, 2023
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Pai-Hsiang CHUANG
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    ELECTRONIC LOCK DEVICE AND OPERATION METHOD OF THE SAME
    • Publication number 20230228120
    • Publication date Jul 20, 2023
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Pai-Hsiang CHUANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ELECTRONIC LOCK
    • Publication number 20230228126
    • Publication date Jul 20, 2023
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Pai-Hsiang CHUANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ELECTRONIC LOCK
    • Publication number 20230230740
    • Publication date Jul 20, 2023
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Chun-Yi FANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Bi-Directional Electronic Lock Device And Method For Setting Up The...
    • Publication number 20230151642
    • Publication date May 18, 2023
    • TONG LUNG METAL INDUSTRY CO., LTD.
    • Yu LIN
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES