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OUYANG PINGKAI

Overview
  • Total Patents
    11
About

OUYANG PINGKAI has a total of 11 patent applications. Its first patent ever was published in 1993. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are Huaxia new resource co ltd, TIANJIN LIGHT INDUSTRY VOCATIO and FANGMING LUO.

Patent filings in countries

World map showing OUYANG PINGKAIs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing OUYANG PINGKAIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Pingkai Ouyang 6
#2 Ouyang Pingkai 4
#3 Xuegen Wang 3
#4 Zhao Gulin 2
#5 Yonghong Hu 2
#6 Ying Hanjie 2
#7 Hanjie Ying 2
#8 Xixia Wang 2
#9 Zhimin Yin 2
#10 Hong Xu 1

Latest patents

Publication Filing date Title
CN1265308A Application of magnesium fructose-1,6-diphosphate in medicine
CN1265397A Preparation of magnesium fructose-1,6-diphosphate
CN1124777A Enzyme process for producing L-malic acid
CN1116930A 1,6-diphosphofructose sodium salt capsule
CN1105068A L-alanine preparing method and its application
CN1079900A 1,6-fructose diphosphate sodium salt oral liquid
CN1093753A L-malic acid production by using new technology of immobilized yellow Bacillus brevis
CN1093752A C-malic acid production by using immobilized cell
CN1089616A Method for drying 1,6 fructose diphosphate
CN1089615A 1,6-hexose diphosphate method for purification
CN1089654A 1, the production method of 6-hexose diphosphate