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CHENGDU HIWAFER TECH CO LTD

Overview
  • Total Patents
    109
  • GoodIP Patent Rank
    13,078
  • Filing trend
    ⇩ 77.0%
About

CHENGDU HIWAFER TECH CO LTD has a total of 109 patent applications. It decreased the IP activity by 77.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, computer technology and measurement are ZGLUE INC, SHANGHAI HUALI MICROELECTRONIC and KITAMURA MASAHIRO.

Patent filings in countries

World map showing CHENGDU HIWAFER TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 109

Patent filings per year

Chart showing CHENGDU HIWAFER TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Yifeng 26
#2 Chen Yongbo 16
#3 Kong Xin 13
#4 Lin Shuxun 8
#5 Li Ming 7
#6 Wang Junnan 6
#7 Zhou Huafang 5
#8 Mao Jiangmin 4
#9 Xie Qian 4
#10 Guo Yuan 4

Latest patents

Publication Filing date Title
CN112133626A Manufacturing method of metal hard mask and wafer
CN110729181A Manufacturing method of high-electron-mobility transistor T-shaped gate, T-shaped gate and transistor
CN110718456A High-reliability T-shaped gate manufacturing method, T-shaped gate and high-electron-mobility transistor
CN110010454A A kind of manufacturing process of 0.15 micron of T shape grid
CN109979991A A kind of photoetching process, T shape grid and transistor based on I-line and EBL production T shape grid
CN109817559A A kind of double-sided alignment process for wafer processing
CN109243971A A kind of semiconductor devices deielectric-coating low angle engraving method
CN109103088A A kind of evaporation coating method of metal ohmic contact germanium and its application
CN109037035A A kind of method and system for improving SiC base GaN wafer and carrying on the back golden adhesiveness
CN108766930A A kind of novel convenient and cheap wafer jig production method, wafer jig and application method
CN108417643A A kind of temperature-compensating film resistor and preparation method thereof
CN108416167A A kind of GaN HEMT devices multiple physical field coupling large-signal model method for building up
CN108417480A A kind of reduction grinding wafer front damage method
CN108376677A A kind of offside cascaded semiconductor chip apparatus and Cascading Methods
CN108364912A A kind of plane cascade semiconductor chiop and Cascading Methods
CN108376644A A kind of semiconductor die circular hole production method
CN108281348A The root cavity wall angle adjusting method and T-type grid preparation method of T-type litho pattern
CN108565213A A kind of manufacturing method of high electron mobility transistor T shape grid
CN108281352A A kind of device isolation method applied to gallium nitride transistor
CN108054162A A kind of MIM capacitor manufacturing process