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BEIJING BBEF SCI & TECH CO LTD

Overview
  • Total Patents
    112
  • GoodIP Patent Rank
    17,445
  • Filing trend
    ⇩ 20.0%
About

BEIJING BBEF SCI & TECH CO LTD has a total of 112 patent applications. It decreased the IP activity by 20.0%. Its first patent ever was published in 2009. It filed its patents most often in China and United States. Its main competitors in its focus markets telecommunications, basic communication technologies and electrical machinery and energy are RUISHI CHUANGXIN SHENZHEN TECH CO LTD, MIKHEMAR MOHYEE and GORBACHOV OLEKSANDR.

Patent filings in countries

World map showing BEIJING BBEF SCI & TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 110
#2 United States 2

Patent filings per year

Chart showing BEIJING BBEF SCI & TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Guangjian 18
#2 Yuan Zhenyu 12
#3 Xue Nianxi 12
#4 Zhang Shouzhong 11
#5 Liang Fulin 10
#6 Liu Xuewen 9
#7 Geng Shujian 9
#8 Zhou Hang 8
#9 Cheng Yufeng 8
#10 Li Weize 8

Latest patents

Publication Filing date Title
CN111769805A Automatic frequency tracking device for radio frequency power source
CN111372415A Following type chute of push-pull module of cabinet
CN111029134A Inductance coil winding device and winding method thereof
CN110909514A Simulation debugging method and simulation debugging platform of matching network
CN110824906A Rapid setting circuit based on fuzzy control strategy
CN110640256A Automatic adjust welding frock
CN110677161A Standing-wave ratio test system
CN110620593A Signalling equipment based on double-channel resource allocation
CN110572168A series resonance loop of high-power long-wavelength transmitting system and automatic tuning method thereof
CN110412625A A kind of follow-on code acquisition algorithm
CN109524862A A kind of radio frequency inner conductor connection structure of coaxial connector
CN109672458A A kind of medium wave multifrequency transmitter control system
CN109752591A A kind of impulsive measurement system
CN109462377A A kind of continuous impedance transformer of two-way broadband
CN109346812A A kind of layer-stepping coupling combiner circuit
CN109390153A A kind of high speed variable capacitor based on digital circuit driving
CN109213042A A kind of Autotuning Control System based on Microcontrollers and FPGAs
CN109244625A For the received magnetic antenna device of underwater ultra-low frequency signal
CN109067679A A kind of DSB demodulation method for offsetting frequency deviation
CN109342842A A kind of fault detection method of antenna tuner