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SHANGHAI GUONA SEMICONDUCTOR TECH CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    107,785
About

SHANGHAI GUONA SEMICONDUCTOR TECH CO LTD has a total of 16 patent applications. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, computer technology and audio-visual technology are POENIX MCROELECTRONIC CHINA CO, ZAKEL ELKE and JOW EN-MIN.

Patent filings in countries

World map showing SHANGHAI GUONA SEMICONDUCTOR TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Top inventors

# Name Total Patents
#1 Bi Di 13
#2 Ye Ying 8

Latest patents

Publication Filing date Title
CN112201596A Wafer defect detection equipment
CN112164661A Wafer detection equipment
CN111916366A Wafer detection equipment
CN111430333A Wafer etching number and forming method thereof
CN111460845A Recognition device and recognition method for wafer etching number on side surface of wafer
CN111554595A Semiconductor chip preparation device
CN111554661A Wafer, preparation method thereof and positioning calibration method
CN111430289A Wafer positioning and calibrating device and wafer positioning and calibrating method
CN111554594A Wafer transfer monitoring method and wafer transfer monitoring device
CN111430283A Wafer cassette
CN111554601A Wafer front end transfer system
CN111554591A Semiconductor chip processing apparatus
CN111553897A Wafer defect detection equipment
CN111415889A Wafer state detection method and semiconductor device
CN111460975A Fingerprint recognition device and electronic equipment under screen
CN111432100A Image sensor, forming method thereof, under-screen fingerprint recognition device and electronic equipment