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XIAMEN TUNGSTEN CO LTD

Overview
  • Total Patents
    352
  • GoodIP Patent Rank
    6,010
  • Filing trend
    ⇧ 27.0%
About

XIAMEN TUNGSTEN CO LTD has a total of 352 patent applications. It increased the IP activity by 27.0%. Its first patent ever was published in 2007. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and environmental technology are TECHNOLOGY FOUNDATION STW, YANTAI ZHENGHAI MAGNETIC MATERIAL CO LTD and INTERMETALLICS CO LTD.

Patent filings per year

Chart showing XIAMEN TUNGSTEN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Chonghu 65
#2 Nagata Hiroshi 49
#3 Huang Jiaying 46
#4 Lan Qin 33
#5 Hu Qingmin 30
#6 Wen Xiao 30
#7 Huang Qingfang 30
#8 Yong Tianhao 29
#9 Wang Shiliang 29
#10 Xiao Mandou 24

Latest patents

Publication Filing date Title
CN112260425A Linear flat plate motor stator, linear flat plate motor, linear cylinder motor stator and linear cylinder motor
CN112063862A Extractant for rare earth enrichment and application thereof
CN112141716A Vacuum conveying system and method for cobalt carbonate powder
CN112197518A System and method for continuously drying battery-grade cobalt carbonate
CN112032290A Planetary speed change mechanism and planetary speed change motor
CN111575493A Method for removing impurities in high-purity scandium product
CN111628671A Space vector modulation method and device of three-level converter
CN111634948A Method for eliminating black spot foreign matter in ammonium paratungstate product
CN111606356A Novel precipitator and method for preparing artificial scheelite
CN111573734A Novel extracting agent and method for extracting tungsten from phosphotungstic heteropoly acid and converting tungsten into ammonium tungstate/sodium tungstate solution
CN111720523A Planetary speed change mechanism
CN112104167A Motor based on pulsating heat pipe
CN111534696A Method for recovering tungsten from ammonium tungstate feed liquid vulcanization molybdenum removal slag
CN111617810A Method for decomposing tungsten by using weak-base anion exchange resin
CN111470537A Ammonium molybdate recovery method and method for removing impurity tungsten in ammonium molybdate
CN111534694A Molybdenum-removing slag recovery processing method
CN111500829A Method for quenching and recycling waste hard alloy
CN111359486A Dry powder size mixing device and method
CN111394594A Method for recovering cobalt in cobalt alloy pickle liquor
CN111321292A Equipment and method for recovering extracting agent from raffinate