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KLA INSTR CORP

Overview
  • Total Patents
    108
About

KLA INSTR CORP has a total of 108 patent applications. Its first patent ever was published in 1978. It filed its patents most often in United States, Japan and EPO (European Patent Office). Its main competitors in its focus markets measurement, optics and computer technology are KLA TENCOR TECH CORP, KLA-TENCOR CORP and KLA ENCOR CORP.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Chadwick Curt H 17
#2 Wihl Mark J 13
#3 Brodie Alan D 11
#4 Tsai Bin-Ming B 11
#5 Fein Michael E 11
#6 Pon Russell M 10
#7 Mcmurtry John 9
#8 Pearce-Percy Henry 9
#9 Simmons Richard 9
#10 Dutta April 9

Latest patents

Publication Filing date Title
US2004017562A1 Optical inspection of a specimen using multi-channel responses from the specimen
EP0818814A2 Overlay alignment measurement of semiconductor wafers
US5991699A Detecting groups of defects in semiconductor feature space
US5889593A Optical system and method for angle-dependent reflection or transmission measurement
GB0106575D0 A method of inspecting objects for defects
WO9713370A1 Alignment correction prior to image sampling in inspection systems
JPH1090192A Optical inspection of specimen using multi-channel response from the specimen
US5717518A Broad spectrum ultraviolet catadioptric imaging system
WO9639619A1 Optical inspection of a specimen using multi-channel responses from the specimen
US5665968A Inspecting optical masks with electron beam microscopy
WO9612981A1 Autofocusing apparatus and method for high resolution microscope system
US5640237A Method and apparatus for detecting non-uniformities in reflective surafaces
JPH0868772A Apparatus and method for automatic mask inspection by using electron beam microscopy
US5563702A Automated photomask inspection apparatus and method
US5502306A Electron beam inspection system and method
US5537669A Inspection method and apparatus for the inspection of either random or repeating patterns
JPH06188294A Equipment and method of automatic substrate inspection using charged particle beam
US5438413A Process for measuring overlay misregistration during semiconductor wafer fabrication
JPH06294750A Optical substrate inspecting device
EP0532927A2 Automated photomask inspection apparatus