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JOULWATT MICROELECTRONIC HANGZHOU CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    136,813
  • Filing trend
    ⇩ 100.0%
About

JOULWATT MICROELECTRONIC HANGZHOU CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, semiconductors and control are MOUSSAOUI ZAKI, RICHTEK TECHNOLOGY CORP and GRAND POWER SOURCES INC.

Patent filings in countries

World map showing JOULWATT MICROELECTRONIC HANGZHOU CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing JOULWATT MICROELECTRONIC HANGZHOU CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Xunwei 12
#2 Huang Biliang 8
#3 Ren Yuancheng 5
#4 Xu Aimin 2
#5 Lu Yang 2
#6 Liu Guoqiang 2
#7 Cheng Yang 2
#8 Zhou Yin 1
#9 Zha Zhenxu 1
#10 Zhang Anyang 1

Latest patents

Publication Filing date Title
CN108023468A Switching power source control circuit and Switching Power Supply
CN107863886A Switch flyback switch circuit and its control circuit
CN107908218A Power circuit and its control method
CN108155227A lateral double-diffused transistor and its manufacturing method
CN108152758A A kind of current detection circuit, detection method and switching circuit
CN107911899A A kind of Switching Power Supply and LED drive circuit
CN107863802A Battery charge-discharge circuit
CN107864532A LED light adjusting circuits and method and LED control circuit
CN107453345A Power supply circuit and method of supplying power to
CN107453593A A kind of switch tube driving circuit and its driving method
CN107453588A Regulating error circuit and method and power converting circuit
CN108054202A A kind of semiconductor structure and forming method thereof