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DONGGUAN DAZHONG ELECTRONIC CO

Overview
  • Total Patents
    73
  • GoodIP Patent Rank
    24,412
  • Filing trend
    ⇧ 30.0%
About

DONGGUAN DAZHONG ELECTRONIC CO has a total of 73 patent applications. It increased the IP activity by 30.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and measurement are TELCON LTD, AIMANTS UGIMAG SA and NINGBO ZHAOBAO MAGNET CO LTD.

Patent filings in countries

World map showing DONGGUAN DAZHONG ELECTRONIC COs patent filings in countries
# Country Total Patents
#1 China 73

Patent filings per year

Chart showing DONGGUAN DAZHONG ELECTRONIC COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Zhengzhong 60
#2 Li Jingwei 42
#3 Wen Chengbo 12
#4 Ran Ruigang 6
#5 Jiang Shuying 5
#6 Li Cheng 4
#7 Liang Wenchao 4
#8 Zhou Dongxing 4
#9 Ding Tianguang 3
#10 Liu Xueqin 3

Latest patents

Publication Filing date Title
CN112019060A Vehicle-mounted AC/DC quick-charging power adapter circuit
CN111969857A Massage armchair power supply
CN111697858A Water purifier power adapter with vehicle-mounted AC/DC input
CN111698891A Power adapter with radiating fins
CN111697808A Water purifier power with from residual voltage of releasing
CN111462992A Multilayer reactor for different loops and conjugation method thereof
CN111020131A Annealing process of silicon steel iron core
CN110957112A 5G efficient PFC inductor
CN110773567A Pin riveting process of vehicle-mounted inductor
CN110379613A A kind of rope-lay strand sleeve-penetrating severing tin soldering machine
CN110310799A A kind of integrated three-phase transformer structure of 5G
CN110310801A A kind of integrated three-phase common mode inductance of 5G
CN110118904A A kind of k-factor transformer equivalent load conversion method
CN109490637A A kind of equipment of quick test amorphous magnet ring
CN109462210A A kind of built-in water purifier waterproof power supply adaptor with humidity defencive function
CN109378205A A kind of the shaping test machine and its test technology of middle low-frequency transformer
CN109378188A A kind of low-mounting height magnetic sheet transformer
CN109396595A A kind of automatic tin scraping machine
CN109148088A A kind of high power vehicular transformer
CN109127891A A kind of transformer metal bridge screw hole automatic screw progressive die