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YIGUANG ELECTRONIC IND CO LTD

Overview
  • Total Patents
    58
About

YIGUANG ELECTRONIC IND CO LTD has a total of 58 patent applications. Its first patent ever was published in 1999. It filed its patents most often in Japan. Its main competitors in its focus markets semiconductors, electrical machinery and energy and environmental technology are SHINDO DENSHI KOGYO KK, PARAGON SC LIGHTING TECH CO and CTS COMP TECHNOLOGY SYSTEM COR.

Patent filings in countries

World map showing YIGUANG ELECTRONIC IND CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 58

Patent filings per year

Chart showing YIGUANG ELECTRONIC IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liang Chi-Hao 8
#2 Hsieh Chung-Chuan 5
#3 Lai Lu-Ming 5
#4 Wu Yi-Tsuo 5
#5 Pei Chieng-Chang 3
#6 Hsu Chin-Yuan 3
#7 Tsou Wen-Chieh 3
#8 Chiang Jen-Ta 3
#9 Li Hsiao-Chiao 3
#10 Chang Chia-Hsien 3

Latest patents

Publication Filing date Title
JP2010226118A Light emitting diode structure
JP2010226119A Alternating current system light emitting diode device
JP2010153861A Light emitting diode package structure
JP2009088534A Light emitting diode device
JP2008060530A Light emitting apparatus generating white light
JP2000265169A Production of white light source