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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 58 |
# | Industry | |
---|---|---|
#1 | Semiconductors | |
#2 | Electrical machinery and energy | |
#3 | Environmental technology | |
#4 | Audio-visual technology | |
#5 | Optics | |
#6 | Machines |
# | 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 |
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 |