CT

Chien-Fu Tang

RT Richtek Technology: 58 patents #5 of 459Top 2%
RT Ricktek Technology: 1 patents #1 of 16Top 7%
Overall (All Time): #40,451 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
8508203 Control circuit of switching regulator and control method thereof and transistor device therefor Isaac Y. Chen, Pei-Kai TSENG 2013-08-13
8400127 Average current regulator and driver circuit thereof and method for regulating average current An-Tung Chen, Isaac Y. Chen 2013-03-19
8350548 Frequency control circuit and method for a non-constant frequency voltage regulator Isaac Y. Chen 2013-01-08
8320149 Multi-chip module with master-slave analog signal transmission function Isaac Y. Chen 2012-11-27
8295022 Overstress protection apparatus and method Isaac Y. Chen, Chi-Hua Lin 2012-10-23
8253507 Fixed-frequency control circuit and method for pulse width modulation Isaac Y. Chen 2012-08-28
7800425 On-chip mode-setting circuit and method for a chip Isaac Y. Chen 2010-09-21
7795755 Simple circuit and method for improving current balance accuracy of a power converter system Isaac Y. Chen 2010-09-14
7576522 Circuit and method for soft start of a switching regulator from a residual voltage Isaac Y. Chen 2009-08-18