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SHENZHEN CUMARK NEW TECH CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    113,426
  • Filing trend
    ⇩ 100.0%
About

SHENZHEN CUMARK NEW TECH CO LTD has a total of 16 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and telecommunications are VACON OY, SCHNEIDER TOSHIBA INVERTER and ZHEJIANG HRV ELECTRIC CO LTD.

Patent filings in countries

World map showing SHENZHEN CUMARK NEW TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing SHENZHEN CUMARK NEW TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Luo Ziyong 14
#2 Xu Zhanjun 6
#3 Li Ruichang 5
#4 Long Aijun 4
#5 Liang Xin 4
#6 Dong Yiheng 4
#7 Liu Hao 3
#8 Wei Kai 3
#9 Xu Guoqiang 3
#10 Liu Zhenhai 2

Latest patents

Publication Filing date Title
CN112187137A Air-cooled heat dissipation structure of frequency converter and control method for self-cleaning of air channel of frequency converter
CN112186769A Power module for high-voltage APF/high-voltage SVG and high-voltage APF/high-voltage SVG
CN112187063A Power module of high-voltage shore power supply and high-voltage shore power supply
CN111145530A Communication method of high-voltage frequency converter power unit
CN111145529A Communication method of cascaded power unit of high-voltage frequency converter
CN110707942A Power unit of cascade type high-voltage variable-frequency speed regulator
CN110907854A Electric leakage detection method for power unit series high-voltage frequency converter
CN110829381A Electric leakage locking control circuit of high-voltage frequency converter
CN110768543A Mining explosion-proof type high-voltage frequency converter
CN109802484A A kind of power circuit of PWM Generator High Voltage Inverter Control System
CN109797811A A kind of constant pressure water supply system
CN107947531A A kind of Medical power control circuit for meeting EMC and safety standard
CN105610310A Frequency converter drive circuit and short-circuit detection method therefor
CN105429265A Anti-surge charging circuit applied to high-frequency transformer
CN105406701A IGBT overvoltage protection circuit and method
CN101882779A High voltage converter with differential protection