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QINGDAO HANQIN INTELLIGENT TECH CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    70,214
About

QINGDAO HANQIN INTELLIGENT TECH CO LTD has a total of 23 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets measurement, electrical machinery and energy and basic communication technologies are ITECH ELECTRONIC NANJING CO LTD, NOVUM ENG GMBH and SHENZHEN HOTCHIP TECH CO LTD.

Patent filings in countries

World map showing QINGDAO HANQIN INTELLIGENT TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing QINGDAO HANQIN INTELLIGENT TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hao Chunhua 23
#2 Zhao Yongchao 7
#3 Lu Zhizhong 2
#4 Dai Yanqiang 1
#5 Jiang Han 1
#6 Liu Zhongqi 1
#7 Gong Wei 1

Latest patents

Publication Filing date Title
CN112114549A Single-double crystal switching control circuit of ultrasonic flaw detector
CN112051338A Gain control circuit of ultrasonic flaw detector
CN112147234A High-voltage driving circuit of ultrasonic flaw detector
CN112114044A High-gain ultrasonic flaw detector
CN111756220A Multi-channel and multi-output mode direct-current power supply
CN111800113A Anti-interference reset circuit of direct current power supply
CN111740616A High-power amplifying circuit of direct-current power supply
CN111740568A Programmable direct current power supply
CN111799990A Digital IO circuit of direct current power supply
CN111740567A Series-parallel circuit of direct-current power supply
CN111800024A Power consumption adjustable low-power output circuit of direct current power supply
CN111474405A Differential probe
CN111624388A Differential probe and differential input voltage reduction circuit
CN111487459A Differential probe and front-mounted and rear-mounted independent alarm circuits
CN111474406A Automatic control conversion circuit of differential probe based on VGA
CN111487455A VGA-based multi-path variable and intelligent voltage reduction differential circuit
CN111474397A Energy-saving voltage reduction differential circuit based on relay switch
CN111474400A VGA-based manual control conversion circuit of differential probe
CN110632360A Handheld electric bridge
CN110632361A Handheld electric bridge and control circuit