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HUIZHOU SANHUA IND LTD

Overview
  • Total Patents
    57
  • GoodIP Patent Rank
    39,109
  • Filing trend
    0.0%
About

HUIZHOU SANHUA IND LTD has a total of 57 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and audio-visual technology are NINGBO GINLONG NEW ENERGY TECH CO LTD, TBEA XI'AN ELECTRICAL TECH CO LTD and SINENG ELECTRIC CO LTD.

Patent filings in countries

World map showing HUIZHOU SANHUA IND LTDs patent filings in countries
# Country Total Patents
#1 China 57

Patent filings per year

Chart showing HUIZHOU SANHUA IND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Shitong 29
#2 Liu Shengdong 17
#3 Xian Likun 15
#4 Chen Donghua 15
#5 Lin Er 12
#6 Li Jianming 5
#7 Zhang Chengshun 5
#8 Sun Jianping 4
#9 Lan Weiji 4
#10 Shen Qiaorong 4

Latest patents

Publication Filing date Title
CN111834986A Short-circuit protection circuit and system of inverter output H-bridge IGBT
CN111969668A Battery management system of photovoltaic energy storage standby power supply of mobile base station
CN111653894A Socket structure with double USB
CN110265217A Noinductive capacitor
CN109782668A To the control circuit and short circuit protection system of needle type print head conduction time
CN109814023A Power supply board test device
CN109768699A Low standby power loss circuit and power switch system
CN109888738A Self-locking output overvoltage protection circuit and voltage output system
CN109802373A Improve the short-circuit protection circuit and short circuit protection system of discrimination
CN109256761A Dual overvoltage crowbar and overvoltage protective system
CN109246892A Linear voltage-stabilizing circuit and regulated power supply system
CN109347319A Efficient filtering circuit and power supply output system
CN109195259A Mix light adjusting circuit and light adjusting system
CN108494039A Stand-by power supply battery management system
CN108429461A High-voltage power circuit
CN106953583A Complemental power-generation equipment
CN107086011A Display
CN107134262A Low-power consumption display device
CN107155281A Display device
CN107086800A A kind of switching tube inverse peak voltage suppression circuit