WILLIAM S.H. CHEUNG

Person

London, GB

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for electret surface potential restoration by a d...
- Patent number 10,522,295
- Issue date Dec 31, 2019
- ADC TECH INTERNATIONAL LTD.
- William S. H. Cheung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic component fabrication method using removable spacers
- Patent number 10,141,124
- Issue date Nov 27, 2018
- Yen Technologies, LLC
- William S. H. Cheung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Air purifier having an electret module
- Patent number 9,913,998
- Issue date Mar 13, 2018
- ADC Tech International Ltd.
- William S. H. Cheung
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
System and method for electret surface potential restoration by a d...
- Patent number 9,842,701
- Issue date Dec 12, 2017
- ADC Tech International Ltd.
- William S. H. Cheung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic component fabrication method using removable spacers
- Patent number 9,508,490
- Issue date Nov 29, 2016
- Yen Technologies, LLC
- William S. H. Cheung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Planar electrodes and a method of controlling spacing between elect...
- Patent number 9,230,736
- Issue date Jan 5, 2016
- ADC Tech International Ltd.
- William S. H. Cheung
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electronic component fabrication method using removable spacers
- Patent number 8,732,925
- Issue date May 27, 2014
- Yen Technologies, LLC
- William S. H. Cheung
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electronic component fabrication method using removable spacers
- Patent number 8,156,622
- Issue date Apr 17, 2012
- Yen Technologies, LLC
- William S. H. Cheung
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Multi-layer capacitor
- Patent number 7,813,105
- Issue date Oct 12, 2010
- ADC Tech International Ltd.
- William S. Cheung
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Device and method for making air, gas or vacuum capacitors and othe...
- Patent number 7,387,928
- Issue date Jun 17, 2008
- William S. H. Cheung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Micro-gap gas filled dielectric capacitor
- Patent number 6,775,124
- Issue date Aug 10, 2004
- William S H Cheung
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
AIR PURIFIER HAVING AN ELECTRET MODULE
- Publication number 20180193678
- Publication date Jul 12, 2018
- ADC TECH INTERNATIONAL LTD.
- William S.H. Cheung
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
SYSTEM AND METHOD FOR ELECTRET SURFACE POTENTIAL RESTORATION BY A D...
- Publication number 20180102221
- Publication date Apr 12, 2018
- ADC Tech International Ltd.
- William S.H. CHEUNG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC COMPONENT FABRICATION METHOD USING REMOVABLE SPACERS
- Publication number 20170076876
- Publication date Mar 16, 2017
- YEN TECHNOLOGIES, LLC
- WILLIAM S.H. CHEUNG
- B32 - LAYERED PRODUCTS
Information Patent Application
SYSTEM AND METHOD FOR ELECTRET SURFACE POTENTIAL RESTORATION BY A D...
- Publication number 20150022028
- Publication date Jan 22, 2015
- ADC Tech International Ltd.
- William S.H. CHEUNG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC COMPONENT FABRICATION METHOD USING REMOVABLE SPACERS
- Publication number 20140233151
- Publication date Aug 21, 2014
- YEN TECHNOLOGIES, LLC
- WILLIAM S.H. CHEUNG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AIR PURIFIER HAVING AN ELECTRET MODULE
- Publication number 20140150797
- Publication date Jun 5, 2014
- ADC TECH INTERNATIONAL LTD.
- William S.H. Cheung
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
ELECTRONIC COMPONENT FABRICATION METHOD USING REMOVABLE SPACERS
- Publication number 20120194964
- Publication date Aug 2, 2012
- William S. H. Cheung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLANAR ELECTRODES AND A METHOD OF CONTROLLING SPACING BETWEEN ELECT...
- Publication number 20120118611
- Publication date May 17, 2012
- William S. H. Cheung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-LAYER CAPACITOR AND METHOD OF MANUFACTURING SAME
- Publication number 20100116417
- Publication date May 13, 2010
- William S. Cheung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-LAYER CAPACITOR AND METHOD OF MANUFACTURING SAME
- Publication number 20080130197
- Publication date Jun 5, 2008
- William S. Cheung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEVICE AND METHOD FOR MAKING AIR, GAS OR VACUUM CAPACITORS AND OTHE...
- Publication number 20070281421
- Publication date Dec 6, 2007
- William S. H. Cheung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electronic insect repelling device
- Publication number 20060198245
- Publication date Sep 7, 2006
- William S.H. Cheung
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Micro-gap gas filled dielectric capacitor
- Publication number 20030095371
- Publication date May 22, 2003
- William S.H. Cheung
- H01 - BASIC ELECTRIC ELEMENTS

WILLIAM S.H. CHEUNG

Person

Patents Grantslast 30 patents

System and method for electret surface potential restoration by a d...

Electronic component fabrication method using removable spacers

Air purifier having an electret module

System and method for electret surface potential restoration by a d...

Electronic component fabrication method using removable spacers

Planar electrodes and a method of controlling spacing between elect...

Electronic component fabrication method using removable spacers

Electronic component fabrication method using removable spacers

Multi-layer capacitor

Device and method for making air, gas or vacuum capacitors and othe...

Micro-gap gas filled dielectric capacitor

Patents Applicationslast 30 patents

AIR PURIFIER HAVING AN ELECTRET MODULE

SYSTEM AND METHOD FOR ELECTRET SURFACE POTENTIAL RESTORATION BY A D...

ELECTRONIC COMPONENT FABRICATION METHOD USING REMOVABLE SPACERS

SYSTEM AND METHOD FOR ELECTRET SURFACE POTENTIAL RESTORATION BY A D...

ELECTRONIC COMPONENT FABRICATION METHOD USING REMOVABLE SPACERS

AIR PURIFIER HAVING AN ELECTRET MODULE

ELECTRONIC COMPONENT FABRICATION METHOD USING REMOVABLE SPACERS

PLANAR ELECTRODES AND A METHOD OF CONTROLLING SPACING BETWEEN ELECT...

MULTI-LAYER CAPACITOR AND METHOD OF MANUFACTURING SAME

MULTI-LAYER CAPACITOR AND METHOD OF MANUFACTURING SAME

DEVICE AND METHOD FOR MAKING AIR, GAS OR VACUUM CAPACITORS AND OTHE...

Electronic insect repelling device

Micro-gap gas filled dielectric capacitor