Learn more

XUJI ELECTRIC CO LTD

Overview
  • Total Patents
    689
  • GoodIP Patent Rank
    2,505
  • Filing trend
    ⇩ 53.0%
About

XUJI ELECTRIC CO LTD has a total of 689 patent applications. It decreased the IP activity by 53.0%. Its first patent ever was published in 1998. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are XUJI GROUP CO LTD, NARI RELAYS ELECTRIC CO LTD and NANJING APAITEK TECH CO LTD.

Patent filings in countries

World map showing XUJI ELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 689

Patent filings per year

Chart showing XUJI ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fan Caiyun 56
#2 Yao Weizheng 56
#3 Liu Gang 45
#4 Wu Jinlong 42
#5 Hu Siquan 39
#6 Zhang Jian 37
#7 Sun Jian 33
#8 Wang Xianwei 32
#9 Han Kun 31
#10 Ma Yicheng 29

Latest patents

Publication Filing date Title
CN112271698A Comprehensive protection system and method for power collection line and box transformer substation of wind power plant
CN112260272A Coal mine fault isolation automatic recovery power supply method
CN112269056A Hardware frequency measurement circuit of high-voltage variable-frequency relay protection device
CN112110326A Converter valve module hoisting and replacing device
CN112117673A Rotating frame cabinet for prefabricated cabin
CN112271816A Intelligent substation cluster measurement and control system and measurement and control method thereof
CN112083695A Intelligent substation interval electrical equipment measurement and control system and method
CN112086935A Converter transformer differential protection control method and device capable of achieving adaptive voltage reduction operation
CN112073224A Intelligent substation interval electrical equipment measurement and control system and method
CN112103934A Resistor switching device and method in low-current line selection parallel connection
CN112054654A Water leakage prevention device for marine flexible straight converter valve tower
CN112130010A Static frequency converter SFC performance detection system under heavy current working condition
CN111969474A 12kV prefabricated cabin type complete switch equipment and quick replacement method thereof
CN111757659A Electromagnetic shielding cabinet frame
CN111812494A Intelligent circuit breaker online monitoring and electric service life assessment method
CN112086903A Live working insulation platform
CN111756263A MMC transverter
CN111509985A Self-blocking true bipolar power electronic transformer system and control method
CN111654018A Direct-current bus voltage control method of multi-port direct-current power distribution system
CN111398772A Circuit, method and device for converter valve overcurrent turn-off test