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BCD SEMICONDUCTOR MFG LTD

Overview
  • Total Patents
    106
  • GoodIP Patent Rank
    141,567
  • Filing trend
    ⇩ 100.0%
About

BCD SEMICONDUCTOR MFG LTD has a total of 106 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2004. It filed its patents most often in China, United States and Taiwan. Its main competitors in its focus markets electrical machinery and energy, environmental technology and semiconductors are RICHTEK TECHNOLOGY CORP, DIALOG SEMICONDUCTOR UK LTD and CHENGDU MONOLITHIC POWER SYS.

Patent filings in countries

World map showing BCD SEMICONDUCTOR MFG LTDs patent filings in countries
# Country Total Patents
#1 China 79
#2 United States 25
#3 Taiwan 2

Patent filings per year

Chart showing BCD SEMICONDUCTOR MFG LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Yajiang 13
#2 Liu Na 13
#3 Chen Chao 12
#4 Chen Zeqiang 12
#5 Xu Siyuan 11
#6 Duan Jianhua 9
#7 Ying Zheng 9
#8 Zhang Wei 8
#9 Sun Jianbo 7
#10 Ren Xuegang 6

Latest patents

Publication Filing date Title
CN106879125A A kind of LED adjusting control circuits
CN106712515A Buck circuit quick power-down method, Buck circuit and Buck/Boost circuit
CN106604478A High-power LED backlight driving system
CN104506043A Noise control method and circuit and switch power of power converter
CN104578826A Switch power supply and control method for providing constant voltage and constant current in switch power supply
CN105592605A LED load driving circuit
CN105450000A Discharging circuit of power input filter capacitor and switching power supply
USRE46369E Control circuits and methods for switching mode power supplies
CN103916018A Switching power supply
CN103780096A Switch power source, control chip and method for voltage compensation for charging cable
CN103957622A LED dimming method and circuit and power-supplying system adaptive to NEMA curve
CN103777533A Signal selective-output circuit, control chip and control circuit
CN103731049A Current zero crossing point detection circuit and method, driving circuit and method, and switch power source
CN103887770A Overvoltage protective circuit in LED driving power supply without auxiliary winding
CN103904895A Method, circuit and switching power supply for limiting valley frequency
CN103516190A Switch power supply over current/over power protection method, protection circuit and switch power supply
CN103701310A Overcurrent/overpower protection method of switching power supply, protection circuit and switching power supply
US2014233272A1 System and method for synchronous rectifier
CN103337943A Conducting time generating circuit, method, as well as control circuit and switching power supply employing same
CN103219900A Circuit, method and switch power source for eliminating PFM switch power source noise