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CHENGDU CHIP RAIL MICROELECTRONICS CO LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    93,037
  • Filing trend
    ⇧ 100.0%
About

CHENGDU CHIP RAIL MICROELECTRONICS CO LTD has a total of 30 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy and environmental technology are TECHNIPOWER INC, SUZHOU POWERON IC DESIGN CO LTD and FR SAUTER A G.

Patent filings in countries

World map showing CHENGDU CHIP RAIL MICROELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

Chart showing CHENGDU CHIP RAIL MICROELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Bo 21
#2 Xu Gangying 20
#3 Xiang Lei 18
#4 Zhu Zhangming 14
#5 Ma Qiang 13
#6 Wu Qiang 9
#7 Yu Xiaoqiang 5
#8 Wang Jianhui 5
#9 Wang Lei 3
#10 Qiang Wei 2

Latest patents

Publication Filing date Title
CN111884494A Quasi-resonance valley bottom conduction circuit with compensation function
CN111769734A Switch power supply control circuit and control chip capable of preventing output overvoltage and undervoltage simultaneously
CN110932575A Control system and method for preventing large and small waves in flyback switching power supply
CN110829383A Multi-mode protection circuit of double-winding secondary feedback switching power supply
CN108631620A A kind of synchronous rectifying controller having light-load mode and synchronous rectification system
CN108631554A A kind of circuit of automatic adjusument output driving ability
CN108512196A A kind of overload protection fast response circuit of primary side feedback AC-DC power supplys
CN108631555A A kind of overpower constant circuit of double winding Switching Power Supply
CN107342689A A kind of anti-saturation control system of the transformer of inverse-excitation type switch power-supply
CN107276036A A kind of CS sampling resistor short-circuit protections of Switching Power Supply
CN105262333A Quasi-resonance fly-back type controller and control method
CN105322505A External over-temperature protection circuit for switching power supply
CN105322815A External adjustable overpower compensation circuit of switching power supply
CN105245112A Self-adaptive high-precision constant current circuit and switching power supply
CN104795983A Over-power compensation circuit for wide voltage power supply, control system and power supply
CN104319984A PWM control circuit capable of intelligently adjusting maximum duty ratio
CN103957648A Universal circuit for thyristor dimming, analogue dimming and PWM dimming and LED driving chip
CN103780064A Switch power source control circuit with secondary side feedback current detection function
CN103441681A Dynamic response accelerating circuit in primary side feedback power converter
CN103414474A High-precision small-signal difference analog-digital converter