King Kuen Hau

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Power control by direct drive
- Patent number 11,444,603
- Issue date Sep 13, 2022
- King Kuen Hau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Universal dimmer
- Patent number 11,399,421
- Issue date Jul 26, 2022
- King Kuen Hau
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power control by direct drive
- Patent number 10,715,116
- Issue date Jul 14, 2020
- King Kuen Hau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Phase cut dimming control and protection
- Patent number 10,257,894
- Issue date Apr 9, 2019
- King Kuen Hau
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Digital voltage controller
- Patent number 9,791,878
- Issue date Oct 17, 2017
- King Kuen Hau
- G05 - CONTROLLING REGULATING
Information Patent Grant
Voltage controlled impedance synthesizer
- Patent number 9,543,925
- Issue date Jan 10, 2017
- King Kuen Hau
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Power Control by Direct Drive
- Publication number 20220029535
- Publication date Jan 27, 2022
- King Kuen Hau
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Universal Dimmer
- Publication number 20210144826
- Publication date May 13, 2021
- King Kuen Hau
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Power Control by Direct Drive
- Publication number 20190089336
- Publication date Mar 21, 2019
- King Kuen Hau
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Phase Cut Dimming Control and Protection
- Publication number 20170208659
- Publication date Jul 20, 2017
- King Kuen Hau
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DIGITAL VOLTAGE CONTROLLER
- Publication number 20150241900
- Publication date Aug 27, 2015
- King Kuen Hau
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE CONTROLLED IMPEDANCE SYNTHESIZER
- Publication number 20150229294
- Publication date Aug 13, 2015
- King Kuen Hau
- H03 - BASIC ELECTRONIC CIRCUITRY