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William Winchin Yen
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Acton, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Microporous sheet product and methods for making and using the same
Patent number
11,535,720
Issue date
Dec 27, 2022
William Winchin Yen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Microporous sheet product and methods for making and using the same
Patent number
11,021,584
Issue date
Jun 1, 2021
William Winchin Yen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Microporous sheet product and methods for making and using the same
Patent number
10,829,600
Issue date
Nov 10, 2020
William Winchin Yen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Microporous sheet product and methods for making and using the same
Patent number
10,586,965
Issue date
Mar 10, 2020
William Winchin Yen
B32 - LAYERED PRODUCTS
Information
Patent Grant
Battery separator and method of forming same
Patent number
9,159,978
Issue date
Oct 13, 2015
APOROUS, INC.
William Winchin Yen
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
MICROPOROUS SHEET PRODUCT AND METHODS FOR MAKING AND USING THE SAME
Publication number
20210214513
Publication date
Jul 15, 2021
William Winchin Yen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
MICROPOROUS SHEET PRODUCT AND METHODS FOR MAKING AND USING THE SAME
Publication number
20210024710
Publication date
Jan 28, 2021
William Winchin Yen
B32 - LAYERED PRODUCTS
Information
Patent Application
MICROPOROUS SHEET PRODUCT AND METHODS FOR MAKING AND USING THE SAME
Publication number
20170214021
Publication date
Jul 27, 2017
William Winchin Yen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MICROPOROUS SHEET PRODUCT AND METHODS FOR MAKING AND USING THE SAME
Publication number
20170166716
Publication date
Jun 15, 2017
William Winchin Yen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
MICROPOROUS SHEET PRODUCT AND METHODS FOR MAKING AND USING THE SAME
Publication number
20170152359
Publication date
Jun 1, 2017
William Winchin Yen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
BATTERY SEPARATOR AND METHOD OF FORMING SAME
Publication number
20130029126
Publication date
Jan 31, 2013
William Winchin Yen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Battery Separator
Publication number
20090142657
Publication date
Jun 4, 2009
William Winchin Yen
H01 - BASIC ELECTRIC ELEMENTS