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Ka Ming Chan

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Patents Grantslast 30 patents

  • Information Patent Grant

    Antenna and metasurface structure for antenna
    • Patent number 12,316,024
    • Issue date May 27, 2025
    • City University of Hong Kong
    • Chenfeng Yang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3-D focus-steering lens antenna
    • Patent number 11,909,115
    • Issue date Feb 20, 2024
    • City University of Hong Kong
    • Chi Hou Chan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Leaky-wave antenna
    • Patent number 11,611,149
    • Issue date Mar 21, 2023
    • City University of Hong Kong
    • Chi Hou Chan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Lamp radiator, lamp and lamp assembly
    • Patent number 11,486,568
    • Issue date Nov 1, 2022
    • TROLMASTER ARGO INSTRUMENTS CO., LIMITED
    • Ka Suen Chan
    • F21 - LIGHTING
  • Information Patent Grant

    Lamp, lamp driver and lamp lighting system
    • Patent number 11,353,196
    • Issue date Jun 7, 2022
    • TROLMASTER ARGO INSTRUMENTS CO., LIMITED
    • Ka Suen Chan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Waste heat re-cycle cooling system
    • Patent number 11,193,698
    • Issue date Dec 7, 2021
    • Ming Yau Chung
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Methods for making quasi-vertical light emitting diodes
    • Patent number 8,211,721
    • Issue date Jul 3, 2012
    • Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    • Limin Lin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optimization of polishing stop design
    • Patent number 8,187,900
    • Issue date May 29, 2012
    • Hong Kong Applied Science and Technology Research Institute Company Limited
    • Li Min Lin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of producing thin semiconductor structures
    • Patent number 7,985,971
    • Issue date Jul 26, 2011
    • Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    • Yong Cai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quasi-vertical light emitting diode
    • Patent number 7,939,847
    • Issue date May 10, 2011
    • Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    • Limin Lin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    LED flashlight
    • Patent number 7,152,993
    • Issue date Dec 26, 2006
    • The Brinkmann Corporation
    • Ka Ming Chan
    • F21 - LIGHTING
  • Information Patent Grant

    Vacuum cleaner
    • Patent number 6,266,846
    • Issue date Jul 31, 2001
    • Talentone Development Limited
    • Ka Ming Chan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Replaceable battery pack of rechargeable batteries
    • Patent number 5,504,412
    • Issue date Apr 2, 1996
    • GSL Rechargeable Products, Limited
    • Ka-Ming Chan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ANTENNA AND METASURFACE STRUCTURE FOR ANTENNA
    • Publication number 20240222876
    • Publication date Jul 4, 2024
    • City University of Hong Kong
    • Chenfeng Yang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LEAKY-WAVE ANTENNA
    • Publication number 20220416432
    • Publication date Dec 29, 2022
    • City University of Hong Kong
    • Chi Hou Chan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LAMP RADIATOR, LAMP AND LAMP ASSEMBLY
    • Publication number 20220128231
    • Publication date Apr 28, 2022
    • TROLMASTER ARGO INSTRUMENTS CO., LIMITED
    • Ka Suen CHAN
    • F21 - LIGHTING
  • Information Patent Application

    3-D FOCUS-STEERING LENS ANTENNA
    • Publication number 20210384638
    • Publication date Dec 9, 2021
    • City University of Hong Kong
    • Chi Hou CHAN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LAMP, LAMP DRIVER AND LAMP LIGHTING SYSTEM
    • Publication number 20210372599
    • Publication date Dec 2, 2021
    • TROLMASTER ARGO INSTRUMENTS CO., LIMITED
    • Ka Suen Chan
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    WASTE HEAT RE-CYCLE COOLING SYSTEM
    • Publication number 20210356179
    • Publication date Nov 18, 2021
    • Quattro Dynamics Company Limited
    • Ming Yau CHUNG
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    PREHEATED STERILIZING BOX FOR MEDICAL LABORATORY EQUIPMENT
    • Publication number 20180289845
    • Publication date Oct 11, 2018
    • Ka Yan CHAN
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    GENERATING ACTIVITY SUGGESTIONS TO ASSIST USER IN MAINTAINING WORK-...
    • Publication number 20180082265
    • Publication date Mar 22, 2018
    • International Business Machines Corporation
    • Ka Lai Chan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ANIMAL TAIL-WAGGING SIMULATION DEVICE
    • Publication number 20170019013
    • Publication date Jan 19, 2017
    • Katzen Liebhaber Limited
    • Ka Yu Chan
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MULTI-PURPOSE EYEWEAR ARTICLE
    • Publication number 20160277726
    • Publication date Sep 22, 2016
    • 3ND TECHNOLOGY LIMITED
    • Wing Hon TSANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIQUID-CRYSTAL OPTICAL MODULES AND MULTI-PURPOSE EYEWEAR USING THE...
    • Publication number 20140063376
    • Publication date Mar 6, 2014
    • 3ND TECHNOLOGY LIMITED
    • Wing Hon TSANG
    • G02 - OPTICS
  • Information Patent Application

    Handheld Electric Fan
    • Publication number 20130094980
    • Publication date Apr 18, 2013
    • Ka Yun CHAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHODS FOR MAKING QUASI-VERTICAL LIGHT EMITTING DIODES
    • Publication number 20110169023
    • Publication date Jul 14, 2011
    • Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    • Limin Lin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTIMIZATION OF POLISHING STOP DESIGN
    • Publication number 20110037051
    • Publication date Feb 17, 2011
    • Hong Kong Applied Science and Technology Research Institute Company Limited
    • Li Min Lin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUASI-VERTICAL LIGHT EMITTING DIODE
    • Publication number 20100244082
    • Publication date Sep 30, 2010
    • Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    • Limin Lin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD OF PRODUCING THIN SEMICONDUCTOR STRUCTURES
    • Publication number 20090218590
    • Publication date Sep 3, 2009
    • Hong Kong Applied Science and Technology Research Institute
    • Yong Cai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LED flashlight
    • Publication number 20060028810
    • Publication date Feb 9, 2006
    • The Brinkmann Corporation
    • Ka Ming Chan
    • F21 - LIGHTING