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BooSeok Hwang

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  • Tokyo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Scroll Liquid Pump
    • Publication number 20140170009
    • Publication date Jun 19, 2014
    • RichStone Limited
    • BooSeok Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll fluid machine
    • Publication number 20130236344
    • Publication date Sep 12, 2013
    • RichStone Limited (Korea)
    • BooSeok Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Cam Ring Fluid Machine
    • Publication number 20130183171
    • Publication date Jul 18, 2013
    • RICHSTONE LIMITED
    • KwangSeon Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll fluid machine
    • Publication number 20110300013
    • Publication date Dec 8, 2011
    • RichStone Limited
    • BooSeok Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll fluid machine
    • Publication number 20110123324
    • Publication date May 26, 2011
    • RICHSTONE LIMITED
    • BooSeok Hwang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Scroll fluid machine
    • Publication number 20110103991
    • Publication date May 5, 2011
    • RichStone Limited
    • BooSeok Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll fluid machine
    • Publication number 20090297381
    • Publication date Dec 3, 2009
    • RICHSTONE LIMITED
    • Booseok Hwang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Optical fiber coupler reinforcing member and optical fiber coupler
    • Publication number 20040071415
    • Publication date Apr 15, 2004
    • Nanayuki Takeuchi
    • G02 - OPTICS
  • Information Patent Application

    Optical fiber connecting element and alignment sleeve
    • Publication number 20030091293
    • Publication date May 15, 2003
    • Norio Murata
    • G02 - OPTICS