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XU CHANGHONG

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    236,754
About

XU CHANGHONG has a total of 11 patent applications. Its first patent ever was published in 2000. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are HAIYUAN ENVIRONMENTAL SCIENCE & TECHNOLOGY CO LTD, XI AN RUIDA CHEMICAL TECHNOLOGY CO LTD and INST OF BIOORG CHEMISTRY AND PETROCHEMITRY OF NAS OF UKRAINE.

Patent filings in countries

World map showing XU CHANGHONGs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing XU CHANGHONGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Xu Changhong 7
#2 Xue Qizhong 3
#3 Fang Jiaji 2
#4 Cai Deling 2
#5 Jin Shu Xu 1
#6 Kong Qingyi 1
#7 Zhang Kezhong 1
#8 Peng Tao 1
#9 Xu Changhong Jin 1
#10 Chen Huaiyu 1

Latest patents

Publication Filing date Title
CN104545787A Wearable pupil light reflex measurement equipment
CN1762938A Method for producing ethylene glycol and lower polyol using hydrocracking
CN1597661A Glutamic acid extraction technology in production of glutamic acid by fermentation method
CN1594266A Method for recovering 2-keto-L-gluconic acid from gluconic acid crystallization mother liquor
CN1629093A Shale hollow brick and its preparing method
CN1539846A Technique for preparing 5'nucleotide bi-sodium
CN1396175A Process for extracting both active embryonic peptide and natural corn oil from embryo bud of corn
CN1348992A Continuous single-tank fermentation process of bacillus in membrane coupled clear liquid for producing levolactic acid
CN1335399A Continuous fermenting alcohol producing process with membrane coupled clear liquor in single tank
CN1313275A Process for extracting glutaminic acid with nano filter membrane
CN1273233A Method and equipment for washing sugar with calcium cirtrate