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TIANJIN HUANXIN TECH & DEVELOPMENT CO LTD

Overview
  • Total Patents
    74
  • GoodIP Patent Rank
    19,576
  • Filing trend
    ⇩ 80.0%
About

TIANJIN HUANXIN TECH & DEVELOPMENT CO LTD has a total of 74 patent applications. It decreased the IP activity by 80.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, textiles and paper and surface technology and coating are FOCUS LIGHTINGS TECH INC, CHONGQING SEMI CHIP ELECTRONIC CO LTD and JIANGXI ZHAOCHI SEMICONDUCTOR CO LTD.

Patent filings in countries

World map showing TIANJIN HUANXIN TECH & DEVELOPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 74

Patent filings per year

Chart showing TIANJIN HUANXIN TECH & DEVELOPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Changpo 74
#2 Yang Yucong 64
#3 Liang Xiaofeng 64
#4 Chen Cheng 64
#5 Wang Xiaopeng 51
#6 Li Yazhe 35
#7 Huang Zhihuan 33
#8 Sun Chenguang 31
#9 Wang Yanjun 31
#10 Wang Hongyu 31

Latest patents

Publication Filing date Title
CN110335817A A kind of manufacturing method of Schottky
CN110246892A A kind of Schottky terminal structure
CN111359512A Stirring method of glass slurry
CN111370303A Boron-aluminum source for diffusion and configuration method thereof
CN111370304A Boron-aluminum source and configuration method thereof
CN111363401A Slurry for semiconductor device glass passivation layer and preparation method thereof
CN111354623A Process for cleaning silicon wafer by slow cold water pulling
CN111349917A Gold plating solution for semiconductor chip, gold plating method and nickel and gold plating method
CN111319369A Twice screen printing method for semiconductor device
CN111319345A TVS chip glass passivation screen printing plate and process method thereof
CN111319346A GPP chip overprinting screen printing screen plate and process method thereof
CN111326425A Process method for improving moisture resistance of high-voltage diode
CN110610854A Preparation method of diffused phosphorus source
CN110137082A A kind of optimization method of power device groove pattern
CN109837552A A kind of automatic boiler tube cleaning machine
CN109834092A A kind of automatic boiler tube wiper mechanism
CN109837532A A kind of nickel plating activating solution, configuration method, application, silicon wafer activation method and nickel plating process
CN109750342A A kind of silicon wafer glassivation electrophoresis process
CN109755115A A kind of technique shortening for three diffusion sheet diffusion times
CN109755113A A kind of One Diffusion Process technique adjusting diffusion atmosphere