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SHENZHEN QINGYI PREC MASK MAKING CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    101,884
  • Filing trend
    0.0%
About

SHENZHEN QINGYI PREC MASK MAKING CO LTD has a total of 19 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets optics, surface technology and coating and machines are MACDERMID PRINTING SOLUTIONS LLC, HOKUBU TSUSHIN KOGYO KK and SCHORCHT ADELBRECHT.

Patent filings in countries

World map showing SHENZHEN QINGYI PREC MASK MAKING CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing SHENZHEN QINGYI PREC MASK MAKING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yuesong 8
#2 Xiong Qilong 4
#3 Deng Zhenyu 4
#4 Zhu Chunhui 3
#5 Yan Hongjun 3
#6 Zhang Pei 3
#7 Zhang Jianguo 3
#8 Mo Weidong 2
#9 Hong Zhihua 2
#10 Wang Jingxin 1

Latest patents

Publication Filing date Title
CN111999985A Method and device for improving photoetching speed, storage medium and terminal equipment
CN111830784A Production method of special-shaped glass mask
CN109572786A Fixture stores transport device
CN109062002A Dry etching prepares 6 generation LTPS PSM
CN108388085A A kind of OLED exposure machines
CN108073051A A kind of method for promoting litho machine coordinate precision
CN107885031A The Optimization Design that a kind of mask plate makes
CN107877840A Small size MASK laminators
CN107678244A A kind of pellicle mask LCVD patch systems
CN106200280A A kind of sheathed developing method coordinated with slit liquid curtain
CN106435589A Chromium etching liquid and preparation method thereof
CN104746041A Method for repairing white defect by way of laser vapor deposition
CN104598129A Method and system for controlling repair and measurement of software screen
CN104553235A Film sticking machine
CN104574451A Method and device for character replacing by graph in AutoCAD
CN104561939A Ultrathin reaction cavity
CN103019029A Method and device for reducing strips of photomask plates
CN103995432A Method and device for lowering stripes of photomask plate
CN103995431A Method and device for lowering stripes of photomask plate