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KLA-TENCOR CORP

Overview
  • Total Patents
    886
  • GoodIP Patent Rank
    2,171
  • Filing trend
    ⇩ 91.0%
About

KLA-TENCOR CORP has a total of 886 patent applications. It decreased the IP activity by 91.0%. Its first patent ever was published in 1998. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Taiwan. Its main competitors in its focus markets measurement, optics and semiconductors are KLA TENCOR CORP, KLA CORP and KLA ENCOR CORP.

Patent filings per year

Chart showing KLA-TENCOR CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fielden John 56
#2 Chuang Yung-Ho Alex 42
#3 Gao Lisheng 39
#4 Kandel Daniel 34
#5 Bezel Ilya 32
#6 Shchegrov Andrei V 30
#7 Shchemelinin Anatoly 27
#8 Levinski Vladimir 25
#9 Brown David L 24
#10 Pandev Stilian Ivanov 24

Latest patents

Publication Filing date Title
WO2020167331A1 Misregistration measurements using combined optical and electron beam technology
US2020266112A1 Misregistration Measurements Using Combined Optical and Electron Beam Technology
US2019362935A1 Reflection-mode electron-beam inspection using ptychographic imaging
US2020249585A1 Moiré target and method for using the same in measuring misregistration of semiconductor devices
WO2020159560A1 Moiré target and method for using the same in measuring misregistration of semiconductor devices
US2020264099A1 Air Scattering Standard for Light Scattering Based Optical Instruments and Tools
US2020118784A1 Deflection array apparatus for multi-electron beam system
US2019115184A1 Liquid metal rotating anode X-ray source for semiconductor metrology
CN111201605A Image sensor with grounded or otherwise biased channel stop contact
US2019108967A1 Electron beam generation and measurement
US2019107697A1 Lens design for spectroscopic ellipsometer or reflectometer
US2019137411A1 Minimizing filed size to reduce unwanted stray light
US2018073993A1 Simultaneous multi-directional laser wafer inspection
US2018021818A1 Apparatus and Method for Cleaning Wafer Handling Equipment
US2017337673A1 Systems and methods for automatic correction of drift between inspection and design for massive pattern searching
WO2017180399A1 System and method for defect classification based on electrical design intent
US2017276613A1 Methods and apparatus for polarized wafer inspection
WO2017117568A1 Accelerated training of a machine learning based model for semiconductor applications
US2017193400A1 Accelerated training of a machine learning based model for semiconductor applications
WO2017146785A1 Analyzing root causes of process variation in scatterometry metrology