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Jong-Chan Yoon

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  • Busan, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Back ferrule having bellows-shaped elastic part
    • Patent number 9,657,875
    • Issue date May 23, 2017
    • BMT CO., LTD.
    • Jong-Chan Yoon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tightness-indicating tube fitting
    • Patent number 9,528,640
    • Issue date Dec 27, 2016
    • BMT CO., LTD.
    • Jong-Chan Yoon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Yaw control-by-rudder type tidal stream power generation apparatus...
    • Patent number 9,494,130
    • Issue date Nov 15, 2016
    • KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY
    • Jin Hwan Ko
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Inner magnet type microspeaker
    • Patent number 9,185,494
    • Issue date Nov 10, 2015
    • Em-Tech. Co., Ltd.
    • Kyu Dong Choi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Valve operated by a master key
    • Patent number 8,585,010
    • Issue date Nov 19, 2013
    • BMT CO., LTD.
    • Jong Chan Yoon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve operated by a master key
    • Patent number 8,418,515
    • Issue date Apr 16, 2013
    • BMT Co., Ltd.
    • Jong Chan Yoon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Diaphragm for Waterproof Microspeaker
    • Publication number 20220210574
    • Publication date Jun 30, 2022
    • EM-TECH. Co., Ltd.
    • Cheon Myeong Kim
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Receiver Having Diaphragm with Improved Rigidity
    • Publication number 20160227323
    • Publication date Aug 4, 2016
    • Em-Tech Co., Ltd.
    • Jong Soo Yoon
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    YAW CONTROL-BY-RUDDER TYPE TIDAL STREAM POWER GENERATION APPARATUS...
    • Publication number 20150285213
    • Publication date Oct 8, 2015
    • Korea Institute Of Ocean Science & Technology
    • Jin Hwan KO
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    BACK FERRULE HAVING BELLOWS-SHAPED ELASTIC PART
    • Publication number 20150276102
    • Publication date Oct 1, 2015
    • BMT CO., LTD.
    • Jong-Chan Yoon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Inner Ring Magnet Type Microspeaker
    • Publication number 20140241566
    • Publication date Aug 28, 2014
    • Em-Tech Co., Ltd.
    • Kyu Dong Choi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TIGHTNESS-INDICATING TUBE FITTING
    • Publication number 20120313367
    • Publication date Dec 13, 2012
    • Jong-Chan Yoon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE OPERATED BY A MASTER KEY
    • Publication number 20100218830
    • Publication date Sep 2, 2010
    • Jong Chan Yoon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE OPERATED BY A MASTER KEY
    • Publication number 20100101286
    • Publication date Apr 29, 2010
    • Jong Chan Yoon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...