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Patent applications and USPTO patent grants for Tan; Run Qin.The latest application filed is for "clamp protection circuit and a pfc control circuit employing such clamp protection circuit".
Patent | Date |
---|---|
Transition mode power factor correction device with built-in automatic total harmonic distortion reduction feature Grant 8,129,958 - Ku , et al. March 6, 2 | 2012-03-06 |
Clamp protection circuit and a PFC control circuit employing such clamp protection circuit Grant 8,045,308 - Tan , et al. October 25, 2 | 2011-10-25 |
Clamp Protection Circuit And A Pfc Control Circuit Employing Such Clamp Protection Circuit App 20100253410 - Tan; Run Qin ;   et al. | 2010-10-07 |
Transition Mode Power Factor Correction Device With Built-in Automatic Total Harmonic Distortion Reduction Feature App 20100246226 - Ku; Matthew Man Ho ;   et al. | 2010-09-30 |
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