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QIU WEIHONG

Overview
  • Total Patents
    11
About

QIU WEIHONG has a total of 11 patent applications. Its first patent ever was published in 2007. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are SILICON MITUS INC, LION SEMICONDUCTOR INC and NIHON PROTECTOR CO LTD.

Patent filings in countries

World map showing QIU WEIHONGs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing QIU WEIHONGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qiu Weihong 11
#2 Liu Jun 3
#3 Xing Kun 2
#4 Rodgers Iii Bertram J 2
#5 Zhou Xiaozhou 2
#6 Cheung Chun 2
#7 Xiao Shangyang 2
#8 Moussaoui Zaki 1
#9 Pongratanankul Nattorn 1
#10 Isham Robert H 1

Latest patents

Publication Filing date Title
US2013207555A1 LED driver system with dimmer detection
US2012268063A1 Charging system with adaptive power management
US2012235630A1 Charging system with adaptive power management
US2011241640A1 System and method of intermittent diode braking for multiple phase voltage regulator
US2011089915A1 Hysteretic controlled buck-boost converter
US2010072964A1 Voltage regulator including constant loop gain control
US2010066319A1 Advanced phase number control for multiphase converters
US8072200B1 AC and DC temperature compensation scheme for DCR current sense
US8080987B1 Method and apparatus for efficient transitioning between different operating modes of a regulator