William A. Wojtczak

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 11,639,487
- Issue date May 2, 2023
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 11,618,867
- Issue date Apr 4, 2023
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Surface treatment compositions and methods
- Patent number 11,508,569
- Issue date Nov 22, 2022
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Etching composition
- Patent number 11,499,099
- Issue date Nov 15, 2022
- Fujifilm Electronic Materials U.S.A., Inc.
- Kazutaka Takahashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods of using surface treatment compositions
- Patent number 11,447,642
- Issue date Sep 20, 2022
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- B08 - CLEANING
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 11,401,487
- Issue date Aug 2, 2022
- Fujifilm Electronics Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 11,359,169
- Issue date Jun 14, 2022
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 11,286,444
- Issue date Mar 29, 2022
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stripping compositions for removing photoresists from semiconductor...
- Patent number 11,208,616
- Issue date Dec 28, 2021
- Fujifilm Electronic Materials U.S.A., Inc.
- Atsushi Mizutani
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Surface treatment compositions and articles containing same
- Patent number 11,174,394
- Issue date Nov 16, 2021
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- B08 - CLEANING
Information Patent Grant
Stripping compositions for removing photoresists from semiconductor...
- Patent number 10,947,484
- Issue date Mar 16, 2021
- Fujifilm Electronic Materials U.S.A., Inc.
- Atsushi Mizutani
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 10,927,329
- Issue date Feb 23, 2021
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 10,696,933
- Issue date Jun 30, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Surface treatment methods and compositions therefor
- Patent number 10,593,538
- Issue date Mar 17, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- B08 - CLEANING
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 10,415,005
- Issue date Sep 17, 2019
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Stripping compositions for removing photoresists from semiconductor...
- Patent number 10,266,799
- Issue date Apr 23, 2019
- Fujifilm Electronic Materials U.S.A., Inc.
- Atsushi Mizutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 10,253,282
- Issue date Apr 9, 2019
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stripping compositions for removing photoresists from semiconductor...
- Patent number 9,914,902
- Issue date Mar 13, 2018
- Fujifilm Electronic Materials U.S.A., Inc.
- Bing Du
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning formulation for removing residues on surfaces
- Patent number 9,562,211
- Issue date Feb 7, 2017
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Passivation composition and process
- Patent number 9,200,372
- Issue date Dec 1, 2015
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Aqueous cleaning composition containing copper-specific corrosion i...
- Patent number 9,109,188
- Issue date Aug 18, 2015
- Advanced Technology Materials, Inc.
- William A. Wojtczak
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Etching composition
- Patent number 8,889,025
- Issue date Nov 18, 2014
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Etching composition
- Patent number 8,647,523
- Issue date Feb 11, 2014
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Aqueous cleaning composition containing copper-specific corrosion i...
- Patent number 8,293,694
- Issue date Oct 23, 2012
- Advanced Technology Materials, Inc.
- William A. Wojtczak
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Selective silicon etch process
- Patent number 7,994,062
- Issue date Aug 9, 2011
- Sachem, Inc.
- William A. Wojtczak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aqueous cleaning composition containing copper-specific corrosion i...
- Patent number 7,662,762
- Issue date Feb 16, 2010
- Advanced Technology Materials, Inc.
- William A. Wojtczak
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Aqueous cleaning composition containing copper-specific corrosion i...
- Patent number 7,605,113
- Issue date Oct 20, 2009
- Advanced Technology Materials Inc.
- William A. Wojtczak
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Post plasma ashing wafer cleaning formulation
- Patent number 7,534,752
- Issue date May 19, 2009
- Advanced Technology Materials, Inc.
- William A. Wojtczak
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cleaning solutions and etchants and methods for using same
- Patent number 7,192,910
- Issue date Mar 20, 2007
- Sachem, Inc.
- William A. Wojtczak
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Chemical mechanical polishing compositions for metal and associated...
- Patent number 7,029,373
- Issue date Apr 18, 2006
- Advanced Technology Materials, Inc.
- Ying Ma
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
ETCHING COMPOSITIONS
- Publication number 20240279549
- Publication date Aug 22, 2024
- Fujifilm Electronic Materials U.S.A., Inc.
- Kohei Hayashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Surface Treatment Compositions and Methods
- Publication number 20240258111
- Publication date Aug 1, 2024
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Surface Treatment Compositions and Methods
- Publication number 20240254415
- Publication date Aug 1, 2024
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
ETCHING COMPOSITIONS
- Publication number 20240174924
- Publication date May 30, 2024
- Fujifilm Electronic Materials U.S.A., Inc.
- Emil A. Kneer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20230100080
- Publication date Mar 30, 2023
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20230066300
- Publication date Mar 2, 2023
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Surface Treatment Compositions and Methods
- Publication number 20230048767
- Publication date Feb 16, 2023
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- B08 - CLEANING
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20220275313
- Publication date Sep 1, 2022
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20220145222
- Publication date May 12, 2022
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHODS OF USING SURFACE TREATMENT COMPOSITIONS
- Publication number 20210122925
- Publication date Apr 29, 2021
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- B08 - CLEANING
Information Patent Application
ETCHING COMPOSITION
- Publication number 20210071078
- Publication date Mar 11, 2021
- Fujifilm Electronic Materials U.S.A., Inc.
- Kazutaka Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface Treatment Compositions and Methods
- Publication number 20210057210
- Publication date Feb 25, 2021
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- B08 - CLEANING
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20200377829
- Publication date Dec 3, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
STRIPPING COMPOSITIONS FOR REMOVING PHOTORESISTS FROM SEMICONDUCTOR...
- Publication number 20200339919
- Publication date Oct 29, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- Atsushi Mizutani
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
ETCHING COMPOSITIONS
- Publication number 20200248075
- Publication date Aug 6, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- Emil A. Kneer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20200048584
- Publication date Feb 13, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface Treatment Compositions and Methods
- Publication number 20200035494
- Publication date Jan 30, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20190256807
- Publication date Aug 22, 2019
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20190241845
- Publication date Aug 8, 2019
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
STRIPPING COMPOSITIONS FOR REMOVING PHOTORESISTS FROM SEMICONDUCTOR...
- Publication number 20190233771
- Publication date Aug 1, 2019
- Fujifilm Electronic Materials U.S.A., Inc.
- Atsushi Mizutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SURFACE TREATMENT COMPOSITIONS AND METHODS
- Publication number 20190211210
- Publication date Jul 11, 2019
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- B08 - CLEANING
Information Patent Application
SURFACE TREATMENT METHODS AND COMPOSITIONS THEREFOR
- Publication number 20180277357
- Publication date Sep 27, 2018
- Fujifilm Electronic Materials U.S.A., Inc.
- William A. Wojtczak
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
STRIPPING COMPOSITIONS FOR REMOVING PHOTORESISTS FROM SEMICONDUCTOR...
- Publication number 20170335252
- Publication date Nov 23, 2017
- Fujifilm Electronic Materials U.S.A., Inc.
- Atsushi Mizutani
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20170101608
- Publication date Apr 13, 2017
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
STRIPPING COMPOSITIONS FOR REMOVING PHOTORESISTS FROM SEMICONDUCTOR...
- Publication number 20160186106
- Publication date Jun 30, 2016
- Fujifilm Electronic Materials U.S.A., Inc.
- Bing Du
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
AQUEOUS CLEANING COMPOSITION CONTAINING COPPER-SPECIFIC CORROSION I...
- Publication number 20150344826
- Publication date Dec 3, 2015
- Advanced Technology Materials, Inc.
- William A. Wojtczak
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES
- Publication number 20150159124
- Publication date Jun 11, 2015
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Novel Etching Composition
- Publication number 20140120734
- Publication date May 1, 2014
- Fujifilm Electronic Materials U.S.A., Inc.
- Tomonori Takahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Novel Passivation Composition and Process
- Publication number 20130122701
- Publication date May 16, 2013
- Fujifilm Electronic Materials U.S.A., Inc.
- Frank J. Krupa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
AQUEOUS CLEANING COMPOSITION CONTAINING COPPER-SPECIFIC CORROSION I...
- Publication number 20130072411
- Publication date Mar 21, 2013
- Advanced Technology Materials, Inc.
- William A. Wojtczak
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

William A. Wojtczak

Person

Patents Grantslast 30 patents

Cleaning formulation for removing residues on surfaces

Cleaning formulation for removing residues on surfaces

Surface treatment compositions and methods

Etching composition

Methods of using surface treatment compositions

Cleaning formulation for removing residues on surfaces

Cleaning formulation for removing residues on surfaces

Cleaning formulation for removing residues on surfaces

Stripping compositions for removing photoresists from semiconductor...

Surface treatment compositions and articles containing same

Stripping compositions for removing photoresists from semiconductor...

Cleaning formulation for removing residues on surfaces

Cleaning formulation for removing residues on surfaces

Surface treatment methods and compositions therefor

Cleaning formulation for removing residues on surfaces

Stripping compositions for removing photoresists from semiconductor...

Cleaning formulation for removing residues on surfaces

Stripping compositions for removing photoresists from semiconductor...

Cleaning formulation for removing residues on surfaces

Passivation composition and process

Aqueous cleaning composition containing copper-specific corrosion i...

Etching composition

Etching composition

Aqueous cleaning composition containing copper-specific corrosion i...

Selective silicon etch process

Aqueous cleaning composition containing copper-specific corrosion i...

Aqueous cleaning composition containing copper-specific corrosion i...

Post plasma ashing wafer cleaning formulation

Cleaning solutions and etchants and methods for using same

Chemical mechanical polishing compositions for metal and associated...

Patents Applicationslast 30 patents

ETCHING COMPOSITIONS

Surface Treatment Compositions and Methods

Surface Treatment Compositions and Methods

ETCHING COMPOSITIONS

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

Surface Treatment Compositions and Methods

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

METHODS OF USING SURFACE TREATMENT COMPOSITIONS

ETCHING COMPOSITION

Surface Treatment Compositions and Methods

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

STRIPPING COMPOSITIONS FOR REMOVING PHOTORESISTS FROM SEMICONDUCTOR...

ETCHING COMPOSITIONS

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

Surface Treatment Compositions and Methods

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

STRIPPING COMPOSITIONS FOR REMOVING PHOTORESISTS FROM SEMICONDUCTOR...

SURFACE TREATMENT COMPOSITIONS AND METHODS

SURFACE TREATMENT METHODS AND COMPOSITIONS THEREFOR

STRIPPING COMPOSITIONS FOR REMOVING PHOTORESISTS FROM SEMICONDUCTOR...

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

STRIPPING COMPOSITIONS FOR REMOVING PHOTORESISTS FROM SEMICONDUCTOR...

AQUEOUS CLEANING COMPOSITION CONTAINING COPPER-SPECIFIC CORROSION I...

CLEANING FORMULATION FOR REMOVING RESIDUES ON SURFACES

Novel Etching Composition

Novel Passivation Composition and Process

AQUEOUS CLEANING COMPOSITION CONTAINING COPPER-SPECIFIC CORROSION I...