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CHENG MEI INSTR TECHNOLOGY CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    137,503
About

CHENG MEI INSTR TECHNOLOGY CO LTD has a total of 17 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China, Taiwan and United States. Its main competitors in its focus markets measurement, optics and semiconductors are AOTI OPERATING CO INC, AUGUST TECHNOLOGY CORP and HYPERNEX INC.

Patent filings in countries

World map showing CHENG MEI INSTR TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 7
#2 Taiwan 6
#3 United States 4

Patent filings per year

Chart showing CHENG MEI INSTR TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsai Cheng-Tao 8
#2 Tsai Cheng Tao 4
#3 Cai Zhengdao 3
#4 Yu Chao Sheng 2
#5 Zhengdao Cai 1
#6 Huang Jianchao 1
#7 Tsai Jeng-Dau 1
#8 Chen Dejun 1

Latest patents

Publication Filing date Title
US2016047754A1 Light deflection detection module and measurement and calibration method using the same
TW201608232A Method for measuring patterned sapphire substrate
TW201608235A Optical measuring apparatus and method for measuring patterned sapphire substrate
CN104132946A LED wafer detection apparatus and method thereof
TW201511152A Line scan assembly
TW201511170A Assembly and method for algining wafers
TW201441603A Assembly and method for testing and classifying led wafers
CN102916092A Device and method for detection and classification of wafer
US2010063619A1 System and method for inspection of chips on tray
CN101777508A System and method for picking out defective circuit small pieces
CN101493424A Small chip surface detecting system in bearing disk and method thereof