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Chik Wai Ng
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Kowloon, HK
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Patents Grants
last 30 patents
Information
Patent Grant
Ferrite electro-magnetic interference (EMI) shield between an integ...
Patent number
11,990,422
Issue date
May 21, 2024
High Tech Technology Limited
Chik Wai (David) Ng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flexible array of DC-DC converters reconfigurable using a shared se...
Patent number
11,258,364
Issue date
Feb 22, 2022
High Tech Technology Limited
Chik Wai (David) Ng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Digital frequency dithering for switched-mode power supplies (SMPS)...
Patent number
11,206,014
Issue date
Dec 21, 2021
High Tech Technology Limited
Chik Wai (David) Ng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Serial multi-battery charger with independent simultaneous charge a...
Patent number
9,385,542
Issue date
Jul 5, 2016
Hong Kong Applied Science & Technology Research Institute Company, Limited
Po Wah Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
LED driver with small output ripple without requiring a high-voltag...
Patent number
9,306,461
Issue date
Apr 5, 2016
Hong Kong Applied Science & Technology Research Institute Company, Limited
Po Wah Chang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Output current estimation for an isolated flyback converter with va...
Patent number
8,780,590
Issue date
Jul 15, 2014
Hong Kong Applied Science & Technology Research Institute Company, Ltd.
Wai Kit (Victor) So
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Single-power-transistor battery-charging circuit using voltage-boos...
Patent number
8,643,337
Issue date
Feb 4, 2014
Hong Kong Applied Science & Technology Research Institute Company Ltd.
Kwok Kuen David Kwong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fuse cell and method for programming the same
Patent number
7,538,597
Issue date
May 26, 2009
Hong Kong Applied Science and Technology Research Institute Co. Ltd.
David Kwok Kuen Kwong
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Ferrite Electro-Magnetic Interference (EMI) Shield Between an Integ...
Publication number
20230290735
Publication date
Sep 14, 2023
High Tech Technology Limited
Chik Wai (David) NG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Air-Core Transformer Package with Ferrite Electro-Magnetic Interfer...
Publication number
20230290736
Publication date
Sep 14, 2023
High Tech Technology Limited
Chik Wai (David) NG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Flexible Array of DC-DC Converters Reconfigurable Using a Shared Se...
Publication number
20210320590
Publication date
Oct 14, 2021
High Tech Technology Limited
Chik Wai (David) NG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LED Driver with Small Output Ripple Without Requiring a High-Voltag...
Publication number
20150381054
Publication date
Dec 31, 2015
Hong Kong Applied Science and Technology Research Institute Company Limited
Po Wah CHANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Serial Multi-Battery Charger with Independent Simultaneous Charge a...
Publication number
20150380959
Publication date
Dec 31, 2015
Hong Kong Applied Science and Technology Research Institute Company Limited
Po Wah CHANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Output Current Estimation for an Isolated Flyback Converter With Va...
Publication number
20130294118
Publication date
Nov 7, 2013
Hong Kong Applied Science and Technology Research Institute Company Limited
Wai Kit (Victor) SO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Single-Power-Transistor Battery-Charging Circuit Using Voltage-Boos...
Publication number
20110267008
Publication date
Nov 3, 2011
Hong Kong Applied Science and Technology Research Institute Company Limited
Kwok Kuen Kwong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ESD Protection using a Capacitivly-Coupled Clamp for Protecting Low...
Publication number
20100315748
Publication date
Dec 16, 2010
Hong Kong Applied Science and Technology Research Institute Company Limited
Kwok Kuen Kwong
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Single-Power-Transistor Battery-Charging Circuit Using Voltage-Boos...
Publication number
20100148727
Publication date
Jun 17, 2010
Hong Kong Applied Science and Technology Research Institute Company Limited
Kwok Kuen Kwong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Low Voltage High-Output-Driving CMOS Voltage Reference With Tempera...
Publication number
20100073070
Publication date
Mar 25, 2010
Hong Kong Applied Science & Technology Research Intitute Company Limited
Chik Wai Ng
G05 - CONTROLLING REGULATING
Information
Patent Application
Low-Voltage Oscillator with Capacitor-Ratio Selectable Duty Cycle a...
Publication number
20090146749
Publication date
Jun 11, 2009
Hong Kong Applied Science and Technology Research Institute Company Limited
Chik Wai Ng
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FUSE CELL AND METHOD FOR PROGRAMMING THE SAME
Publication number
20090045867
Publication date
Feb 19, 2009
David Kwok Kuen Kwong
G11 - INFORMATION STORAGE