TREA

Han Byul Chang

Follow

Person

  • Seoul, KR
People

Patents Applicationslast 30 patents

  • Information Patent Application

    LED LIGHTING DEVICE
    • Publication number 20150109802
    • Publication date Apr 23, 2015
    • Han-byul CHANG
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING APPARATUS
    • Publication number 20150085503
    • Publication date Mar 26, 2015
    • Samsung Electronics Co., LTD
    • Yun Whan Na
    • F21 - LIGHTING