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GUANGZHOU ZHONGTUO PHOTOELECTRIC TECHNOLOGY CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    75,079
About

GUANGZHOU ZHONGTUO PHOTOELECTRIC TECHNOLOGY CO LTD has a total of 23 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, environmental technology and surface technology and coating are CHANGZHOU GALAXY CENTURY MICRO ELECTRONICS CO LTD, WANG HONGREN and HUANGSHAN ELECTRIC APPLIANCE CO LTD.

Patent filings in countries

World map showing GUANGZHOU ZHONGTUO PHOTOELECTRIC TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing GUANGZHOU ZHONGTUO PHOTOELECTRIC TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Guoqiang 23

Latest patents

Publication Filing date Title
CN104638096A Preparation method for copper substrate for vertical LED (light-emitting diode) chips
CN104037293A Light-emitting diode (LED) epitaxial wafer growing on Si patterned substrate and preparation process of LED epitaxial wafer
CN104037282A AlGaN film grown on Si substrate, preparation method and application thereof
CN104037285A GaN thin film growing on Si substrate and preparation method and applications thereof
CN104037288A Light-emitting diode (LED) epitaxial wafer growing on Si substrate and preparation process of LED epitaxial wafer
CN104018214A Rectangular patterned Si substrate AlN template for GaN semiconductor material epitaxy and preparation method of rectangular patterned Si substrate AlN template
CN104037284A GaN thin film growing on Si substrate and preparation method and applications thereof
CN104037291A Semi-polarity GaN thin film growing on patterned silicon substrate and preparation process of semi-polarity GaN thin film
CN104037287A LED epitaxial wafer grown on Si substrate and preparation method thereof
CN103996763A LED epitaxial wafer growing on metal Al substrate and preparing method and application thereof
CN103996612A AlN thin film growing on metal Al substrate and preparing method and application thereof
CN103996764A LED epitaxial wafer growing on Ag substrate and preparing method and application of LED epitaxial wafer
CN103996611A GaN thin film growing on metal Al substrate and preparing method and application thereof
CN103996613A GaN film growing on Cu substrate and preparing method and application of GaN film
CN103996605A Pulsed laser deposition and molecular beam epitaxy combined coating device and application thereof
CN103996614A High-uniformity GaN film growing on sapphire substrate and preparing method and application of high-uniformity GaN film
CN103996615A AlN film growing on Cu substrate and preparing method and application of AlN film
CN103996606A High-uniformity AlN film growing on sapphire substrate and preparing method and application of high-uniformity AlN film
CN103996756A Film coating method and application thereof
CN103996610A AlN thin film growing on metal aluminum substrate and preparing method and application thereof