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Chih Chuan Chen

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  • Nantou, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coupling electronic seal
    • Patent number 12,176,649
    • Issue date Dec 24, 2024
    • Chih-Chuan Chen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electronic seal having spring antenna
    • Patent number 11,973,294
    • Issue date Apr 30, 2024
    • Chih-Chuan Chen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electronic seal of multi-frequency type
    • Patent number 10,916,161
    • Issue date Feb 9, 2021
    • Chih-Chuan Chen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Anti-theft electronic seal
    • Patent number 10,580,275
    • Issue date Mar 3, 2020
    • Chih-Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Electronic seal improvement
    • Patent number 10,510,272
    • Issue date Dec 17, 2019
    • Chih-Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Electronic bolt seal
    • Patent number 9,508,271
    • Issue date Nov 29, 2016
    • Chih-Chuan Chen
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    RFID-based electric seal with tracking device
    • Patent number 8,866,609
    • Issue date Oct 21, 2014
    • Chih Chuan Chen
    • G08 - SIGNALLING
  • Information Patent Grant

    RFID-based electric seal
    • Patent number 8,558,700
    • Issue date Oct 15, 2013
    • Chih Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    RFID-based electric seal
    • Patent number 8,319,647
    • Issue date Nov 27, 2012
    • Chih Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Voltage regulating system and voltage regulator
    • Patent number 7,772,808
    • Issue date Aug 10, 2010
    • Universal Scientific Industrial (Shanghai) Co., Ltd.
    • Chih-Huang Chen
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC SEAL HAVING SPRING ANTENNA
    • Publication number 20240022023
    • Publication date Jan 18, 2024
    • CHIH-CHUAN CHEN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COUPLING ELECTRONIC SEAL
    • Publication number 20240022016
    • Publication date Jan 18, 2024
    • CHIH-CHUAN CHEN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRONIC SEAL OF MULTI-FREQUENCY TYPE
    • Publication number 20210056868
    • Publication date Feb 25, 2021
    • Chih-Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ELECTRONIC SEAL WITH QUALITY CONTROL IMPLEMENTABLE WITH MOBILE PHONE
    • Publication number 20200386009
    • Publication date Dec 10, 2020
    • CHIH-CHUAN CHEN
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ANTI-THEFT ELECTRONIC SEAL
    • Publication number 20190287362
    • Publication date Sep 19, 2019
    • Chih-Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Electronic Bolt Seal
    • Publication number 20160168877
    • Publication date Jun 16, 2016
    • Chih-Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    RFID-BASED ELECTRIC SEAL WITH TRACKING DEVICE
    • Publication number 20140210615
    • Publication date Jul 31, 2014
    • Chih Chuan Chen
    • Chih Chuan CHEN
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    RFID-based electric seal
    • Publication number 20120139699
    • Publication date Jun 7, 2012
    • Chih Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    RFID-based electric seal
    • Publication number 20110283755
    • Publication date Nov 24, 2011
    • Chih Chuan Chen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Voltage regulating system and voltage regulator
    • Publication number 20080157726
    • Publication date Jul 3, 2008
    • Chih-Huang Chen
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER