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Milpitas, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Nitrile and amidoxime compounds and methods of preparation for semi...
Patent number
8,802,609
Issue date
Aug 12, 2014
EKC Technology Inc
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method for making a photoresist stripping solution comprising an or...
Patent number
8,658,583
Issue date
Feb 25, 2014
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Composition and method for cleaning semiconductor substrates compri...
Patent number
8,431,516
Issue date
Apr 30, 2013
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Trioka acid semiconductor cleaning compositions and methods of use
Patent number
8,303,839
Issue date
Nov 6, 2012
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composition and method for treating semiconductor substrate surface
Patent number
8,173,584
Issue date
May 8, 2012
Wai Mun Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Composition and method for cleaning semiconductor substrates compri...
Patent number
8,148,311
Issue date
Apr 3, 2012
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Composition and method for cleaning semiconductor substrates compri...
Patent number
8,148,310
Issue date
Apr 3, 2012
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Composition and method for treating semiconductor substrate surface
Patent number
8,101,561
Issue date
Jan 24, 2012
Wai Mun Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Methods of cleaning semiconductor devices at the back end of line u...
Patent number
8,062,429
Issue date
Nov 22, 2011
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Semiconductor process residue removal composition and process
Patent number
8,003,587
Issue date
Aug 23, 2011
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Troika acid semiconductor cleaning compositions and methods of use
Patent number
7,947,130
Issue date
May 24, 2011
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process of purification of amidoxime containing cleaning solutions...
Patent number
7,838,483
Issue date
Nov 23, 2010
EKC Technology, Inc.
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Compositions and processes for photoresist stripping and residue re...
Patent number
7,579,308
Issue date
Aug 25, 2009
EKC/DuPont Electronics Technologies
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Remover compositions for dual damascene system
Patent number
7,547,669
Issue date
Jun 16, 2009
EKC Technology, Inc.
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Compositions and processes for photoresist stripping and residue re...
Patent number
7,543,592
Issue date
Jun 9, 2009
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Semiconductor process residue removal composition and process
Patent number
7,528,098
Issue date
May 5, 2009
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Compositions for cleaning organic and plasma etched residues for se...
Patent number
7,456,140
Issue date
Nov 25, 2008
EKC Technology, Inc.
Robert J. Small
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cleaning solutions including nucleophilic amine compound having red...
Patent number
7,387,130
Issue date
Jun 17, 2008
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Cleaning compositions and methods of use thereof
Patent number
7,205,265
Issue date
Apr 17, 2007
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Post etch cleaning composition for dual damascene system
Patent number
7,157,415
Issue date
Jan 2, 2007
EKC Technology, Inc.
Catherine M. Peyne
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Cleaning solutions including nucleophilic amine compound having red...
Patent number
7,144,849
Issue date
Dec 5, 2006
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method of making barrier layers
Patent number
7,074,640
Issue date
Jul 11, 2006
Simon Fraser University
David J. Maloney
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cleaning solutions including nucleophilic amine compound having red...
Patent number
7,051,742
Issue date
May 30, 2006
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Semiconductor process residue removal composition and process
Patent number
6,825,156
Issue date
Nov 30, 2004
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Compositions for cleaning organic and plasma etched residues for se...
Patent number
6,777,380
Issue date
Aug 17, 2004
EKC Technology, Inc.
Robert J. Small
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of and apparatus for substrate pre-treatment
Patent number
6,696,363
Issue date
Feb 24, 2004
EKC Technology, Inc.
Wai M. Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Alkanolamine semiconductor process residue removal composition and...
Patent number
6,564,812
Issue date
May 20, 2003
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method of making electronic materials
Patent number
6,566,276
Issue date
May 20, 2003
EKC Technology, Inc.
David J. Maloney
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ethyenediaminetetraacetic acid or its ammonium salt semiconductor p...
Patent number
6,492,311
Issue date
Dec 10, 2002
EKC Technology, Inc.
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Post etch cleaning composition and process for dual damascene system
Patent number
6,417,112
Issue date
Jul 9, 2002
EKC Technology, Inc.
Catherine M. Peyne
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
NOVEL NITRILE AND AMIDOXIME COMPOUNDS AND METHODS OF PREPARATION FO...
Publication number
20130035272
Publication date
Feb 7, 2013
Wai Mun Lee
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
COMPOSITION AND METHOD FOR CLEANING SEMICONDUCTOR SUBSTRATES
Publication number
20120129345
Publication date
May 24, 2012
WAI MUN LEE
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
COMPOSITION AND METHOD FOR TREATING SEMICONDUCTOR SUBSTRATE SURFACE
Publication number
20120083436
Publication date
Apr 5, 2012
WAI MUN LEE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COMPOSITION AND METHOD FOR CLEANING SEMICONDUCTOR SUBSTRATES
Publication number
20110247650
Publication date
Oct 13, 2011
WAI MUN LEE
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
PHOTORESIST STRIPPING SOLUTION
Publication number
20110247660
Publication date
Oct 13, 2011
WAI MUN LEE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Trioka Acid Semiconductor Cleaning Compositions and Methods of Use
Publication number
20110180747
Publication date
Jul 28, 2011
WAI MUN LEE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PHOTORESIST STRIPPING SOLUTIONS
Publication number
20110146724
Publication date
Jun 23, 2011
WAI MUN LEE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COMPOSITION AND METHOD FOR TREATING SEMICONDUCTOR SUBSTRATE SURFACE
Publication number
20110118165
Publication date
May 19, 2011
WAI MUN LEE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COMPOSITION AND METHOD FOR CLEANING SEMICONDUCTOR SUBSTRATES
Publication number
20110098205
Publication date
Apr 28, 2011
WAI MUN LEE
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
Troika Acid Semiconductor Cleaning Compositions and Methods of Use
Publication number
20110094536
Publication date
Apr 28, 2011
WAI MUN LEE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NOVEL NITRILE AND AMIDOXIME COMPOUNDS AND METHODS OF PREPARATION FO...
Publication number
20110065622
Publication date
Mar 17, 2011
Wai Mun Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR MAKING A PHOTORESIST STRIPPING SOLUTION COMPRISING AN OR...
Publication number
20100279910
Publication date
Nov 4, 2010
Wai Mun Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS OF PURIFICATION OF AMIDOXIME CONTAINING CLEANING SOLUTIONS...
Publication number
20100105594
Publication date
Apr 29, 2010
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COMPOSITION COMPRISING CHELATING AGENTS CONTAINING AMIDOXIME COMPOUNDS
Publication number
20100105595
Publication date
Apr 29, 2010
Wai Mun Lee
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHODS OF CLEANING SEMICONDUCTOR DEVICES AT THE BACK END OF LINE U...
Publication number
20100043823
Publication date
Feb 25, 2010
Wai Mun Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Semi Conductor Process Residue Removal Composition and Process
Publication number
20090203566
Publication date
Aug 13, 2009
Wai Mun Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHODS OF POST CHEMICAL MECHANICAL POLISHING AND WAFER CLEANING US...
Publication number
20090133716
Publication date
May 28, 2009
Wai Mun Lee
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COPPER CMP POLISHING PAD CLEANING COMPOSITION COMPRISING OF AMIDOXI...
Publication number
20090137191
Publication date
May 28, 2009
Wai Mun Lee
B08 - CLEANING
Information
Patent Application
CHEMICAL MECHANICAL POLISHING AND WAFER CLEANING COMPOSITION COMPRI...
Publication number
20090130849
Publication date
May 21, 2009
Wai Mun Lee
B24 - GRINDING POLISHING
Information
Patent Application
NOVEL NITRILE AND AMIDOXIME COMPOUNDS AND METHODS OF PREPARATION
Publication number
20090111965
Publication date
Apr 30, 2009
Wai Mun Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
AMIDOXIME COMPOUNDS AS CHELATING AGENTS IN SEMICONDUCTOR PROCESSES
Publication number
20090107520
Publication date
Apr 30, 2009
Wai Mun Lee
C01 - INORGANIC CHEMISTRY
Information
Patent Application
STABILIZATION OF HYDROXYLAMINE CONTAINING SOLUTIONS AND METHOD FOR...
Publication number
20090112024
Publication date
Apr 30, 2009
Wai Mun Lee
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Cleaning solutions including nucleophilic amine compound having red...
Publication number
20090011967
Publication date
Jan 8, 2009
EKC Technology, Inc.
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Semiconductor process residue removal composition and process
Publication number
20080004193
Publication date
Jan 3, 2008
EKC Technology, Inc.
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Cleaning compositions and methods of use thereof
Publication number
20070207938
Publication date
Sep 6, 2007
EKC Technology, Inc.
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Variable exposure photolithography
Publication number
20070082432
Publication date
Apr 12, 2007
Wai Mun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cleaning solutions including nucleophilic amine compound having red...
Publication number
20070078074
Publication date
Apr 5, 2007
EKC Technology, Inc.
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Compositions and processes for photoresist stripping and residue re...
Publication number
20060115970
Publication date
Jun 1, 2006
Wai Mun Lee
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Compositions and processes for photoresist stripping and residue re...
Publication number
20060094613
Publication date
May 4, 2006
Wai Mun Lee
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Cleaning solutions including nucleophilic amine compound having red...
Publication number
20060003909
Publication date
Jan 5, 2006
Wai Mun Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...