Yih-Fang Chiou

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Power feedback power factor correction high frequency inverter
- Patent number 7,023,148
- Issue date Apr 4, 2006
- James Chien Fan Chao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit of electronic ballast for fluorescent lamp
- Patent number 6,998,786
- Issue date Feb 14, 2006
- Yih-Fang Chiou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power factor correction circuit for electronic ballast
- Patent number 6,998,795
- Issue date Feb 14, 2006
- Yih-Fang Chiou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Stopper protection circuit of electronic ballast for fluorescent lamp
- Patent number 6,605,908
- Issue date Aug 12, 2003
- Sunpark Electronics Corp.
- Kanghong Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Power factor correction circuit for electronic ballast
- Publication number 20050248295
- Publication date Nov 10, 2005
- Yih-Fang Chiou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Control circuit of electronic ballast for fluorescent lamp
- Publication number 20050168161
- Publication date Aug 4, 2005
- Yih-Fang Chiou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Power feedback power factor correction high frequency inverter
- Publication number 20050146906
- Publication date Jul 7, 2005
- James Chien Fan Chao
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...