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YAN YONGSHENG

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    164,899
About

YAN YONGSHENG has a total of 12 patent applications. Its first patent ever was published in 1989. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, organic fine chemistry and basic materials chemistry are CONDEA CHEMIE GMBH, CHALCO SHANDONG CO LTD and YABASHI IND CO LTD.

Patent filings in countries

World map showing YAN YONGSHENGs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing YAN YONGSHENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yan Yongsheng 11
#2 Yongsheng Yan 1

Latest patents

Publication Filing date Title
CN112279282A Preparation method of dry high-purity beryllium chloride
CN112239413A Purification and closed production method of glycine
CN112209435A Preparation method of dry high-purity zirconium beryllium fluoride
CN112279281A Preparation method for purifying beryllium chloride by using resin
CN112174172A Preparation method for purifying concentrated beryllium fluoride by electrodialysis method
CN112174173A Preparation method for purifying beryllium fluoride by using resin
CN112225231A Method for preparing sodium fluoride by pyrolyzing sodium fluosilicate
CN112142105A Preparation process method of anhydrous hafnium sulfate
CN110478863A A kind of liftable stilt and its application
CN108359306A A kind of saline-alkali tolerant humidity putty paste and preparation method thereof
CN1712354A Crystallizing method and crystallizer for potassium fluoride
CN1048906A Stereo farm