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TIANJIN DONGWEN HIGH VOLTAGE POWER SUPPLY CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    199,473
  • Filing trend
    ⇩ 100.0%
About

TIANJIN DONGWEN HIGH VOLTAGE POWER SUPPLY CO LTD has a total of 17 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and control are SYNQOR INC, TDK-LAMBDA CORP and LAMBDA ELECTRONICS INC.

Patent filings in countries

World map showing TIANJIN DONGWEN HIGH VOLTAGE POWER SUPPLY CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing TIANJIN DONGWEN HIGH VOLTAGE POWER SUPPLY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Liang 5
#2 Yin Shengming 5
#3 Liu Yunbin 5
#4 Shengming Yin 4
#5 Yunbin Liu 4
#6 Liu Shen 4
#7 Liang Yu 4
#8 Li Ran 3
#9 Zhou Momeng 3
#10 Yin Fuhong 2

Latest patents

Publication Filing date Title
CN107750108A A kind of special casing of novel high-pressure power supply and assemble method
CN106094893A A kind of from motion tracking dual analog amount input photovoltaic module direction of motion control circuit and method
CN106100100A A kind of based on CIGS thin film assembly charging control circuit and control method
CN106100434A A kind of frequency, dutycycle, amplitude adjustable high-voltage pulse electric source circuit
CN103715936A Discrete component-composed bipolar high-voltage pulse output amplification circuit
CN103633876A Isolation-control bipolar high-frequency high-voltage pulse power supply circuit
CN103633851A Voltage-adjustable current-adjustable high-performance positive laser power supply circuit composed of 555
CN102891609A Negative polarity fixed output high-voltage power circuit consisting of TL431
CN102299640B Self-excitation small-power negative-high-voltage modular power supply consisting of adjustable voltage regulator
CN102307011A Miniature high voltage isolation VV converter module formed by LM331
CN102270933B High voltage power circuit with AC input and low-power isolated fixed output
CN102223093A Power circuit with start-stop control, low power supply and small power and negative high voltage
CN102255533A PWM (pulse width modulation) push-pull type negative output electrostatic spinning high-voltage complete-machine power supply
CN102130598A Pulse width modulation push-pull type positive output electrostatic spinning high-voltage complete machine power supply
CN101814824A Small high-voltage ignition module power supply
CN101807846A Module power of small high-voltage cold-cathode trigger tube
CN101754552A Microminiature xenon-lamp high-pressure modular power supply