Learn more

CR POWTECH SHANGHAI CO LTD

Overview
  • Total Patents
    50
  • GoodIP Patent Rank
    34,949
  • Filing trend
    ⇩ 5.0%
About

CR POWTECH SHANGHAI CO LTD has a total of 50 patent applications. It decreased the IP activity by 5.0%. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and control are SYSTEM GENERAL CORP, CLOSED UP JOINT STOCK COMPANY DRIVE and LEADTREND TECH CORP.

Patent filings in countries

World map showing CR POWTECH SHANGHAI CO LTDs patent filings in countries
# Country Total Patents
#1 China 50

Patent filings per year

Chart showing CR POWTECH SHANGHAI CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Jun 20
#2 Wu Quanqing 17
#3 Lu Shengsheng 16
#4 You Yong 13
#5 Zhang Shibo 12
#6 Luo Bingyin 12
#7 Li Jin 11
#8 Li Guocheng 10
#9 Lin Changquan 8
#10 Liu Yabin 7

Latest patents

Publication Filing date Title
CN111796150A Duty ratio detection circuit and duty ratio detection method
CN111799993A Driving circuit
CN111800010A Switching power supply circuit
CN111867183A LED drive circuit, power frequency square wave signal sampling circuit and method
CN111867176A LED drive circuit and silicon controlled rectifier dimming circuit
CN111865298A Integrating circuit and integrating method
CN111799991A Chip power supply circuit
CN111642041A Linear LED driving circuit, system and driving method thereof
CN111642042A Linear LED drive circuit and drive method thereof
CN111337837A Voltage sampling circuit and voltage sampling method
CN111324161A Integrating circuit and integrating method thereof
CN111327183A Filter circuit and filtering method thereof
CN111405708A Bleeder control system, silicon controlled rectifier dimming phase angle detection circuit and method
CN110891347A Linear LED driving system, linear booster circuit and method
CN110876215A Feedback voltage adjusting module, high-dimming-depth ripple removing circuit and method
CN110676241A Electrical trimming structure for multiplexing lead PAD and multiplexing method thereof
CN110505729A Improve the modulation circuit and its modulator approach of LED light modulation depth
CN110502060A Constant current start-up circuit
CN110502210A Low frequency integrating circuit and method
CN108957334A battery sampling system