Michael Y. Zhang

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Buffalo Grove, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Filament cut-back circuit
- Patent number 6,664,742
- Issue date Dec 16, 2003
- Koninklijke Philips Electronics N.V.
- Ramakrishnan Venkatraman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Anti-Striation Circuit For A Gas Discharge Lamp Ballast
- Publication number 20080129216
- Publication date Jun 5, 2008
- Koninklijke Philips Electronics, N.V.
- Yuhong Fang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Total harmonic distortion reduction for electronic dimming ballast
- Publication number 20060267520
- Publication date Nov 30, 2006
- Yimin Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Filament cut-back circuit
- Publication number 20030132718
- Publication date Jul 17, 2003
- Koninklijke Philips Electronics N.V.
- Ramakrishnan Venkatraman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR