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SHANGHAI DAOZHI TECH CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    87,092
  • Filing trend
    ⇩ 25.0%
About

SHANGHAI DAOZHI TECH CO LTD has a total of 19 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, audio-visual technology and computer technology are NANOPIERCE TECHNOLOGIES INC, GLOBAL ADVANCED PACKAGING TECH and THIN FILM MODULE INC.

Patent filings in countries

World map showing SHANGHAI DAOZHI TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing SHANGHAI DAOZHI TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yao Lijun 6
#2 Yong Fu 5
#3 Tang Yi 4
#4 Xu Hong 4
#5 Wang Liangyuan 4
#6 Yan Jinchun 2
#7 Chen Mingye 2
#8 Chen Ye 2
#9 Fang Junjun 2
#10 Feng Danting 2

Latest patents

Publication Filing date Title
CN111211175A Fast recovery diode device structure and manufacturing method thereof
CN110880485A High-power-density integrated packaging module
CN110854096A Novel packaged discrete device
CN110875309A Groove IGBT device structure with built-in current sensor and manufacturing method
CN110310940A A kind of discrete device of novel encapsulated
CN108155183A A kind of automobile-used power module of two-side radiation epoxy-plastic packaging
CN108155159A A kind of automobile-used grade compact water-cooling power module
CN108133917A A kind of automobile-used power module of epoxy-plastic packaging of chip double-side welding
CN107359143A A kind of IGBT module
CN107275291A A kind of water cooling insulated gate bipolar transistor IGBT module
CN106816445A A kind of IGBT module
CN106876343A A kind of power model of integrated water-filled radiator
CN105938798A Manufacturing method of trench IGBT device structure
CN105658004A Snap ring fixing structure for power module and implementation method
CN105655307A Power module structure with vapor chamber heat radiation substrate
CN106441959A IGBT module heat radiation performance assessment method
CN105678362A Traceability method of power module
CN105679667A Manufacturing method for terminal structure of trench IGBT device
CN105679668A Manufacturing method of groove IGBT