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UNAXIS USA INC

Overview
  • Total Patents
    115
About

UNAXIS USA INC has a total of 115 patent applications. Its first patent ever was published in 1999. It filed its patents most often in WIPO (World Intellectual Property Organization), EPO (European Patent Office) and Taiwan. Its main competitors in its focus markets semiconductors, electrical machinery and energy and machines are TEGAL CORP, LAM RESERCH CORP and SPP TECHNOLOGIES CO LTD.

Patent filings in countries

World map showing UNAXIS USA INCs patent filings in countries

Patent filings per year

Chart showing UNAXIS USA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Westerman Russell 53
#2 Johnson David 37
#3 Lai Shouliang 23
#4 Johnson David J 21
#5 David Johnson 9
#6 Constantine Christopher 8
#7 Russell Westerman 8
#8 Sferlazzo Piero 7
#9 Kobrin Boris 7
#10 Lishan David G 6

Latest patents

Publication Filing date Title
TW200716786A Optical emission interferometry for pecvd using a gas injection hole
TW200701293A Process change detection through the use of evolutionary algorithms
CN101048842A Method and apparatus to improve plasma etch uniformity
WO2006012297A1 Method and apparatus for reducing aspect ratio dependent etching in time division multiplexed etch processes
US2005263485A1 Method and apparatus for process control in time division multiplexed (TDM) etch processes
CN1883036A Method and equipment for etching substrate characteristic using alternative deposit/etching procedure
EP1676302A2 Notch-free etching of high aspect soi structures using a time division multiplex process and rf bias modulation
EP1647060A1 Etching method for making chalcogenide memory elements
WO2005011011A1 Etching method for making chalcogenide memory elements
WO2004102642A2 Envelope follower end point detection in time division multiplexed processes
TW200501228A Etching of chromium layers on photomasks utilizing high density plasma and low frequency rf bias
US7008877B2 Etching of chromium layers on photomasks utilizing high density plasma and low frequency RF bias
CN1774796A A method and apparatus for process control in time division multiplexed TDM etch processes
US7115520B2 Method and apparatus for process control in time division multiplexed (TDM) etch process
TW200416875A End point detection in time division multiplexed etch process
US6982175B2 End point detection in time division multiplexed etch processes
AU2003291764A1 Acousto-optic gain equalization filter and gain equalization system
TW200405457A Sidewall smoothing in high aspect ratio/deep etching using a discrete gas switching method
US6924235B2 Sidewall smoothing in high aspect ratio/deep etching using a discrete gas switching method
US2004105485A1 Temperature compensation for acousto-optc devices