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ZHONGSHAN DEHUA CHIP TECH CO LTD

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    77,077
  • Filing trend
    ⇩ 100.0%
About

ZHONGSHAN DEHUA CHIP TECH CO LTD has a total of 21 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, environmental technology and surface technology and coating are TEMPRESS IP B V, INTERNAT SOLAR ENERGY RES CT KONSTANZ E V and ASTROWATT INC.

Patent filings in countries

World map showing ZHONGSHAN DEHUA CHIP TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing ZHONGSHAN DEHUA CHIP TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Cuibai 13
#2 Zhang Yang 11
#3 Zhang Xiaobin 10
#4 Ma Difei 7
#5 Mao Mingming 7
#6 Liu Xiangping 5
#7 Wang Lei 5
#8 Fang Cong 5
#9 Jin Kai 5
#10 Wang Qing 5

Latest patents

Publication Filing date Title
CN107221574A Compound dbr structure applied to multijunction solar cell and preparation method thereof
CN107275186A A kind of preparation method of flexible structure support substrate
CN106449394A Method for manufacturing GaN HEMT back side through hole by electrolytic polishing process
CN106531621A Method for manufacturing step-like source electrode and drain electrode ohmic contact gallium nitride field-effect tube
CN106229261A A kind of method using epitaxial sacrificial layer technique to make the T-shaped grid of GaAs HEMT device
CN106252448A A kind of multijunction solar cell containing GaInNAs material and preparation method thereof
CN106206849A It is applied to temperature monitoring method prepared by the joint solar cell containing dbr structure six
CN106057711A Water spray removing device applied to wafer gluing cleaner
CN106067493A A kind of crystallite lattice mismatch SQW solar cell and preparation method thereof
CN106024924A Lattice mismatch solar cell containing novel tunneling junction and preparation method thereof
CN105970188A Gas feeding structure of rotating disc type MOCVD (Metalorganic Chemical Vapor Deposition) reaction chamber
CN105977190A Heating plate of MOCVD system
CN105986249A Multi-zone wafer carrier
CN106124548A A kind of the hidden of composite construction SiC substrate cuts experimental test procedures
CN106024702A Manufacturing method of air bridge with inverted trapezoidal pier
CN106098547A Use the method that electrochemical process makes GaAs MMIC backside through vias
CN105977146A Preparation method for achieving deep submicron T-shaped gates by conventional lithography technology
CN105810760A Lattice-matched five-junction solar cell and fabrication method thereof
CN105810778A Method for high-temperature growth of high-quality GaInNAs sub battery through MOCVD
CN105633797A High-power quantum well epitaxial wafer structure of semiconductor laser