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SOUTHCHIP SEMICONDUCTOR TECH SHANGHAI CO LTD

Overview
  • Total Patents
    56
  • GoodIP Patent Rank
    26,416
About

SOUTHCHIP SEMICONDUCTOR TECH SHANGHAI CO LTD has a total of 56 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China and United States. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and measurement are AMSDELL INC, BRAVOTEK ELECTRONICS CO LTD and ZILKER LABS INC.

Patent filings in countries

World map showing SOUTHCHIP SEMICONDUCTOR TECH SHANGHAI CO LTDs patent filings in countries
# Country Total Patents
#1 China 55
#2 United States 1

Patent filings per year

Chart showing SOUTHCHIP SEMICONDUCTOR TECH SHANGHAI CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bian Jianjian 14
#2 Ma Jun 10
#3 Ruan Chenjie 8
#4 Li Qiang 6
#5 Geng Xiang 5
#6 Wang Lei 4
#7 Gao Jianlong 4
#8 Liang Xing 4
#9 Wei Zhi 3
#10 Gong Liangxuan 3

Latest patents

Publication Filing date Title
CN112290780A Power device constant drive control circuit and method based on input line voltage compensation
CN112202231A Wireless charging demodulation circuit
CN112234816A Multi-mode switched capacitor converter and voltage conversion method thereof
CN112234957A Analog oscillator circuit with negative feedback adjusting function
CN111953629A Qi standard-based FSK demodulator of wireless charging equipment and demodulation method thereof
CN111897390A Current selection circuit and method thereof
CN111880766A True random number generator of wireless charging terminal and implementation method thereof
CN111865060A Output short-circuit protection method of boost converter
CN111711435A Method for improving safety of power switch tube in current-limiting control system
CN111725996A Control circuit and method for improving precision of pseudo-fixed frequency in constant turn-off time control mode
CN111707857A High-precision buck-boost converter output current sampling method
CN111707858A High-precision buck-boost converter input current sampling method
CN111431386A Control method and control circuit for auxiliary power supply
CN111416517A Reconfigurable series-parallel type switched capacitor voltage converter with high conversion efficiency
CN111404403A Synchronous rectification control method and control circuit for self-adaptive detection time
CN111446778A Programmable PWM control structure applied to wireless charging chip and control method thereof
CN111342667A Power supply control method based on flyback converter and power supply circuit
CN111404375A Inductive current sampling circuit and implementation method thereof
CN111030448A Light-load frequency reduction circuit of charge pump based on voltage difference control
CN111010029A Light-load frequency reduction circuit of charge pump based on current control