TREA

Hyun Rok Cha

Follow

Person

  • Kwangju-City, KR
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20240237447
    • Publication date Jul 11, 2024
    • SAMSUNG DISPLAY CO., LTD.
    • Hyun Ji CHA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20220416004
    • Publication date Dec 29, 2022
    • SAMSUNG DISPLAY CO., LTD.
    • Hyun Ji CHA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20220093033
    • Publication date Mar 24, 2022
    • SAMSUNG DISPLAY CO., LTD.
    • Young-Soo YOON
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DEVICE FOR MANUFACTURING SOFT MAGNETIC MATERIAL USING ULTRASONIC VI...
    • Publication number 20210398745
    • Publication date Dec 23, 2021
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Hyun Rok CHA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20210097928
    • Publication date Apr 1, 2021
    • SAMSUNG DISPLAY CO., LTD.
    • Young-Soo YOON
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20200273941
    • Publication date Aug 27, 2020
    • SAMSUNG DISPLAY CO., LTD.
    • Hyun Ji CHA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    JOINT MEMBER FOR COUPLING CHASSIS FRAME AND VARIABLE CHASSIS MODULE...
    • Publication number 20200164926
    • Publication date May 28, 2020
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Hyun Rok CHA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    MANUFACTURING METHOD OF METAL HYBRID HEAT-DISSIPATING MATERIALS
    • Publication number 20190366429
    • Publication date Dec 5, 2019
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Ik Hyun OH
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    APPARATUS AND METHOD FOR DETECTING FAULT IN DIGITIZER
    • Publication number 20150137826
    • Publication date May 21, 2015
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Dae Yeong IM
    • G01 - MEASURING TESTING
  • Information Patent Application

    OCT PROBE USING PZT
    • Publication number 20140300901
    • Publication date Oct 9, 2014
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Hyun Rok Cha
    • G01 - MEASURING TESTING
  • Information Patent Application

    ULTRASONIC EXTRUSION APPARATUS FOR METAL MATERIAL
    • Publication number 20140182347
    • Publication date Jul 3, 2014
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Hyun Rok Cha
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DIRECT-TYPE DRIVING MODULE OF DIFFERENTIAL GEAR FOR ELECTRIC VEHICLE
    • Publication number 20130281248
    • Publication date Oct 24, 2013
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Hyun Rok Cha
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    WASHING MACHINE USING ULTRASONIC VIBRATIONS
    • Publication number 20130255326
    • Publication date Oct 3, 2013
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    • Dae Yeong Im
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    Motor
    • Publication number 20050118886
    • Publication date Jun 2, 2005
    • SAMSUNG GWANG JU ELECTRONICS CO., LTD.
    • Hyun Rok Cha
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Apparatus and method for controlling brushless DC motor
    • Publication number 20040251864
    • Publication date Dec 16, 2004
    • SAMSUNG GWANG JU ELECTRONICS CO., LTD.
    • Hyun Rok Cha
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Holder for lead wire
    • Publication number 20040105208
    • Publication date Jun 3, 2004
    • Hyun-Rok Cha
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Stator winding method of induction motor for compressor
    • Publication number 20040055140
    • Publication date Mar 25, 2004
    • Hyun-Rok Cha
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Single phase induction motor and hermetic reciprocal compressor hav...
    • Publication number 20030146669
    • Publication date Aug 7, 2003
    • Hyun-Rok Cha
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER