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NARI TECHNOLOGY DEV LTD COMPANY

Overview
  • Total Patents
    22
About

NARI TECHNOLOGY DEV LTD COMPANY has a total of 22 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are DALIAN JINAZHOU ELECTRICAL CO LTD, BAODING POWER SUPPLY CO and CHANGYI POWER SUPPLY CO LTD.

Patent filings in countries

World map showing NARI TECHNOLOGY DEV LTD COMPANYs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing NARI TECHNOLOGY DEV LTD COMPANYs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Gang Li 5
#2 Guofang Huang 4
#3 Haibo Yu 3
#4 Jian Shen 3
#5 He Zhang 3
#6 Bin Zhang 3
#7 Chengzhi Yan 3
#8 Wang Jun 3
#9 Bin Zhou 3
#10 Wei Wang 2

Latest patents

Publication Filing date Title
CN101707357A DC protection method by using AC electric quantity for verification in DC supply system
CN101707356A DC protection method by using analog AC rectification in DC supply system
CN101534003A Data synchronization method for digitized fiber differential protection device
CN101534002A Data synchronization method for ET-connected optical-fiber differential protection devices
CN101505232A Method for automatically configuring and maintaining network connected computers
CN101599635A Method for enhancing differential protection performance by coordination of mutation quantity fault discrimination and fuzzy harmonic analysis
CN101520729A Method for realizing cross-platform multi-source multi-target drag and drop of electric power system
CN101572441A Method for realizing microprocessor-based automatic quasi-synchronization function
CN101499651A Fast acting method for microcomputer type relay protection
CN101487861A Detection method for electric voltage phase angle jump at network voltage dip
CN101509945A Real-time detection method for positive and negative sequence electricity quantity
CN101504442A Real-time detection method for double-SRF dual-feedback aerogenerator rotor current positive and negative components
CN101572440A Power grid code analysis and test method
CN101552474A AGC hierarchical coordinative control method based on security constraint of stable cross section
CN101483332A Phase differential protection method for sampling value differential starting
CN101458504A Digital synthesis protection observe and control unit of multipath operation mode
CN101430360A Error data identification method for secondary equipment in electric power supply system
CN101521368A DC protection system combined with DC bus voltage
CN101334439A Electric parameter data integrated collection apparatus
CN101257224A Technique for realizing transforming plant anti mis-closedown function in transforming plant observe and control apparatus