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FIRST SEMICONDUCTOR MAT CO LTD

Overview
  • Total Patents
    68
  • GoodIP Patent Rank
    21,541
  • Filing trend
    ⇧ 20.0%
About

FIRST SEMICONDUCTOR MAT CO LTD has a total of 68 patent applications. It increased the IP activity by 20.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets surface technology and coating, semiconductors and materials and metallurgy are WOONGJIN ENERGY CO LTD, RES AND DEV CT SHANGHAI INST OF CERAMICS and SAPPHIRE TECH CO LTD.

Patent filings in countries

World map showing FIRST SEMICONDUCTOR MAT CO LTDs patent filings in countries
# Country Total Patents
#1 China 68

Patent filings per year

Chart showing FIRST SEMICONDUCTOR MAT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Tiejun 36
#2 Liu Liu 25
#3 Zhu Liu 17
#4 Wang Jinling 12
#5 Liao Bin 11
#6 Ma Jinfeng 9
#7 Yin Shiping 9
#8 Yan Weidong 9
#9 Bin Qixiong 8
#10 Yi Minghui 8

Latest patents

Publication Filing date Title
CN112276826A Lens clamping device and clamping method
CN112160021A Single crystal wafer and preparation method of crystal bar thereof
CN112269220A CO2Laser antireflection film and preparation method thereof
CN112095150A Growth method of zinc selenide
CN112103233A Method for determining wafer breaking position
CN112176399A Preparation method and preparation device of single crystal containing doping elements
CN112267148A Quartz tube fixing device and application method thereof
CN112126799A Method for removing trace chlorine in arsenic
CN111916378A Wafer cleaning and clamping device
CN111962139A Method for preparing gallium arsenide crystal by VGF process
CN112071793A Wafer placing device and method
CN112002633A Doped carbon source and vertical boat device
CN112126912A Gas supply system and gas supply method for preparing pyrolytic boron nitride
CN111844494A Crystal bar position calibration device and use method thereof
CN111812097A Wafer cutting tool check out test set
CN111693547A Wafer cutting tool detection system and method
CN111514637A Wafer wire-electrode cutting mud filter equipment and clean control system thereof
CN111575788A Method for preparing gallium arsenide polycrystal by recycling gallium arsenide waste
CN111589562A Preparation method of oxygen-free high-purity arsenic powder
CN111020689A Crystal growth apparatus and method