Learn more

CHANGZHOU TOPIC SEMICONDUCTOR TECHNOLOGY CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    89,077
About

CHANGZHOU TOPIC SEMICONDUCTOR TECHNOLOGY CO LTD has a total of 19 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and semiconductors are CPT DISPLAY TECH SHENZHEN CO, SUZHOU JINGPIN PHOTOELECTRIC TECHNOLOGY CO LTD and CHINA PICTURE TUBE CO LTD.

Patent filings in countries

World map showing CHANGZHOU TOPIC SEMICONDUCTOR TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing CHANGZHOU TOPIC SEMICONDUCTOR TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhang Yongliang 14
#2 Tang Zhenyu 9

Latest patents

Publication Filing date Title
CN105355607A Direct-insertion type integrated circuit packaging body
CN105226041A A kind of power management chip packing forms
CN105206740A Encapsulation mode of Hall device
CN105024566A Self-excited switching mode integrated voltage stabilizing circuit control method
CN104935158A Novel zero voltage switching circuit and bidirectional conversion controller
CN104953810A Control method and device for high-accuracy temperature compensation voltage generation circuit
CN104953815A Temperature compensation voltage generation circuit with set positive and negative temperature coefficients
CN104980013A Time switch AC power circuit
CN104968119A LED drive module with detuning compensation, drive circuit and working method
CN104955245A LED drive module applicable to time-sharing multiplexing, drive circuit and working methods
CN104994628A Active type human body infrared control circuit and control method thereof
CN104994629A LED power supply WiFi receiving module and control method thereof
CN104202884A Stroboflash-free high-precision constant-current LED (light emitting diode) drive circuit and operating method thereof
CN104202883A Internal over-voltage protection LED driver, internal over-voltage protection LED driving circuit and LED driver working method
CN104105264A Active temperature control high-power LED drive circuit and working method thereof
CN104039046A Highly integrated LED linear control module and control method thereof
CN104039047A Control module for automatically adjusting LED working voltage and control method thereof
CN104039048A Self-adaptive LED linear control circuit and control method thereof
CN104039044A Approximation type self-adaptive LED (Light Emitting Diode) linear control circuit and control method thereof