John Lam

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Kingston, CA

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Patents Grantslast 30 patents

Information Patent Grant
Digital controller for an electronic ballast
- Patent number 9,578,727
- Issue date Feb 21, 2017
- John Lam
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
High power factor, electrolytic capacitor-less driver circuit for l...
- Patent number 9,338,843
- Issue date May 10, 2016
- Praveen K. Jain
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Digital controller for an electronic ballast
- Patent number 9,049,773
- Issue date Jun 2, 2015
- CISTEL TECHNOLOGY INC.
- John Lam
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast with high power factor
- Patent number 8,779,674
- Issue date Jul 15, 2014
- John Lam
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast with high power factor
- Patent number 8,212,492
- Issue date Jul 3, 2012
- Queen's University at Kingston
- John Lam
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
HIGH POWER FACTOR, ELECTROLYTIC CAPACITOR-LESS DRIVER CIRCUIT FOR L...
- Publication number 20140285102
- Publication date Sep 25, 2014
- Praveen K. JAIN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIGITAL CONTROLLER FOR AN ELECTRONIC BALLAST
- Publication number 20140217917
- Publication date Aug 7, 2014
- John Lam
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Digital Controller for an Electronic Ballast
- Publication number 20120306400
- Publication date Dec 6, 2012
- John Lam
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electronic Ballast with High Power Factor
- Publication number 20120146526
- Publication date Jun 14, 2012
- John Lam
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Electronic ballast with high power factor
- Publication number 20100039038
- Publication date Feb 18, 2010
- John Lam
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...