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SHIJIAZHUANG TONHE ELECTRONICS TECH CO LTD

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    61,528
About

SHIJIAZHUANG TONHE ELECTRONICS TECH CO LTD has a total of 26 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and transport are DET INTERNATIONAL HOLDING LTD, DONGAH ELECOMM CORP and SANTAK ELECTRONIC SHENZHEN CO LTD.

Patent filings in countries

World map showing SHIJIAZHUANG TONHE ELECTRONICS TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 26

Patent filings per year

Chart showing SHIJIAZHUANG TONHE ELECTRONICS TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Chaofei 8
#2 Lu Man 8
#3 Xu Yanchao 8
#4 Li Jinjie 8
#5 Li Weixu 7
#6 Zhang Yuliang 7
#7 Zhang Xianmin 7
#8 Tian Chao 6
#9 Jiao Lingyun 6
#10 Peng Yucheng 6

Latest patents

Publication Filing date Title
CN112140932A Fill electric pile with fire prevention isolating device and fill electric pile
CN112217277A UPS main bypass switching system
CN112054590A Capacitor direct-current guarantee power supply
CN111987922A Method for controlling input current of three-phase Vienna rectifier and terminal equipment
CN112096660A Noise reduction device and method and outdoor direct current charging pile using same
CN111835038A Pre-synchronization method, system and terminal equipment
CN111835207A LLC converter and power supply
CN111786568A Bidirectional power converter, circuit and system
CN111786567A Control method for reducing output ripple of full-bridge LLC converter during intermittence
CN111799069A Structure and design for reducing volume of three-phase active PFC filter inductor
CN111786547A Design method and circuit for inhibiting diode rectification voltage peak
CN111835203A Loop control circuit and control method for output load jump of charging module
CN111669060A Method for solving primary multipath parallel current sharing by utilizing magnetic circuit full coupling
CN111669059A Method for realizing ultra-wide input voltage range based on UCC28070 and peripheral circuit
CN111786407A Wide-range frequency self-adaptive control method based on current type grid-connected system
CN111717055A Automobile charging module with air volume control device
CN111464019A Method and device for optimizing LL C resonant converter load transient dynamics
CN111446872A Transformer transformation ratio adjustable wide-range constant power output switching circuit
CN111292936A Non-welding low-loss integrated current sampling transformer design method and transformer thereof
CN110942906A High-power air-cooled module transformer and design method thereof