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CHINA GERMANIUM CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    100,432
  • Filing trend
    ⇩ 33.0%
About

CHINA GERMANIUM CO LTD has a total of 24 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and environmental technology are ZHEJIANG YUHUI SOLAR ENERGY SOURCE CO LTD, JIANGXI SAIWEI LDK SOLAR ENERGY HIGH TECH CO LTD and XUZHOU XINJING SEMICONDUCTOR TECH CO LTD.

Patent filings in countries

World map showing CHINA GERMANIUM CO LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing CHINA GERMANIUM CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Qingwei 10
#2 Ke Zunbin 9
#3 Wang Qingyong 5
#4 Sun Xiaohua 5
#5 Xi Zhenqiang 5
#6 Zhao Shuangyan 4
#7 Guo Dewen 4
#8 Fang Xiange 4
#9 Qin Yao 3
#10 Jin Dalai 3

Latest patents

Publication Filing date Title
CN111873200A Method for improving yield of rounding of germanium/silicon infrared crystal
CN111710744A GaAs/InGaP double-junction surface plasma enhanced solar structure
CN111304736A Method for eliminating influence of scum on dislocation-free germanium single crystal crystallization
CN111319149A Processing method of germanium wafer for large-size target
CN110863111A Method for recovering germanium from germanium single crystal multi-wire cutting processing oil germanium mixture
CN110306069A A method of the Ti recovery from germanic acid solution, germanic lye
CN108531085A A kind of device and its recovery method of the recycling of germanium wafer polishing fluid
CN108372149A A kind of Degumming method of wire cutting solar energy germanium wafer
CN108080120A A kind of cone germanium grain processing unit (plant) and its processing method
CN107955972A Rotate germanium wafer/silicon chip alkali corrosion technique and its special equipment
CN108857947A A kind of crest line grinding mold and its manufacturing process and application method
CN106567079A Corrosive liquid for detecting dislocation of monocrystalline germanium slices and corrosion method
CN105842263A Monotectic solar germanium single crystal direction finder and detection method thereof
CN105710066A Method for removing polishing residual reagents of solar monocrystalline germanium slice
CN105345016A Magnesium alloy crushing system and method
CN105420756A Method for recycling indium from waste ITO target material through reduction method
CN105499228A Cleaning method for wafer cassettes for solar germanium sheet packaging
CN103420522A Method for circulating purification recycling of sewage with germanium simple-substance particles
CN103240666A Grinding method for solar battery germanium substrate slices
CN103240219A Waxing method of germanium substrate slice of solar battery