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CHINA ZHENHUA GROUP YUNKE ELECTRONICS CO LTD

Overview
  • Total Patents
    156
  • GoodIP Patent Rank
    11,371
  • Filing trend
    ⇩ 59.0%
About

CHINA ZHENHUA GROUP YUNKE ELECTRONICS CO LTD has a total of 156 patent applications. It decreased the IP activity by 59.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and semiconductors are STEATIT MAGNESIA AG, WALSIN TECHNOLOGY CORP and GUANDDONG FENGHUA ADVANCED TECH HOLDING CO LTD.

Patent filings in countries

World map showing CHINA ZHENHUA GROUP YUNKE ELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 156

Patent filings per year

Chart showing CHINA ZHENHUA GROUP YUNKE ELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Yucheng 141
#2 Pang Jinbiao 46
#3 Guo Mingya 20
#4 Li Chengfeng 19
#5 Zhang Xiu 19
#6 Du Yulong 16
#7 He Chuangchuang 15
#8 Luo Yanjun 14
#9 Wu Danjing 14
#10 Zhang Hongying 14

Latest patents

Publication Filing date Title
CN112097525A Atmosphere tube furnace cooling device and cooling method
CN112010534A Batch-production high-temperature glass powder smelting device and smelting method thereof
CN112074106A High-precision alignment stacking method for multilayer heterogeneous fired ceramic substrates
CN112010665A Preparation method of embedded heterogeneous ceramic substrate
CN112004325A Multilayer heterogeneous mature porcelain structure thin film component and circuit board preparation method
CN111273110A Full-temperature automatic testing system and method for S parameter of microwave component
CN110190020A A kind of lithographic method and system
CN109361371A A kind of chip attenuator
CN109346256A A kind of resistor chain and preparation method thereof
CN109462901A A kind of sputter oil heater
CN109458798A Baking oven is automatically controlled between a kind of reduction
CN109267030A A kind of magnetron sputtering substrate loading fixture and magnetic control sputtering device
CN109115375A A kind of screening technique and screening system of thermistor
CN108987009A A kind of method for printing screen and resistor
CN109087764A A kind of nickel made membrane resistance resistance trimming method and nickel made membrane resistance
CN109065308A A kind of TO-247 encapsulation power resistor manufacturing method
CN108922779A A kind of chip through-hole gold electrode chip capacitor and preparation method thereof
CN108766690A A kind of pulse resistance and pulse resistance resistance trimming method
CN108766689A A kind of film low-resistance and film low-resistance L-type resistance trimming method
CN108535521A Four line resistance trimming probe cards