U.S. PATENTS ISSUED INTERNATIONALPATENTS ISSUED

U.S. PATENTS ISSUED INTERNATIONALPATENTS ISSUED
U.S. PATENTS ISSUED
US 9,071,150: Variable Frequency Iteration MPPT for Resonant Power Converters: Issued June 30, 2015.
US 8,577,664: Symbolic switch/linear circuit simulator systems and methods; Issued: Nov 5, 2013.
US 8,552,286: Method of Adapting Solar Tracking Using Variable Step Size; Issued: October 8, 2013.
US 8,352,876: Interactive electronic book operating systems and methods; Issued: January 8, 2013.
US 8338695: Iterative adaptive solar tracking having variable step size, Issued; December 25, 2012.
US8,219,374: Symbolic Switch/Linear Circuit simulator (SymCir) Systems and Methods; Issued: July 10, 2012.
US 7,583,128: Combination of Linear and Adaptive Non-Linear Control for Fast Transient Response,
Issued: September 1, 2009.
8. US 7,471,524: Isolated DC-DC Converters with High Current Capability, Issued: December 30, 2008.
9. US 7,388,761: High Efficiency Parallel Post Regulator for Wide Range Input DC/DC Converter,
Issued: June 17, 2008.
10. US 7,251,113: Active Transient Voltage Compensator for Improving Converter Fast Transient
Response, Issued: July 31, 2007.
11. US 7,196,916: Alternated duty cycle control method for half-bridge DC-DC, Issued: Mar 27, 2007.
12. US 7,149,096, Power converter with interleaved topology, Issued: December 12, 2006.
13. US 6,982,887: DC-DC Converter with Coupled-Inductors Current-Doubler; Issued: January 3, 2006
14. US 6,970,364: Low Cost AC/DC Converter with Power Factor Correction; Issued: November 29, 2005
15. US 6,906,931: Zero-Voltage-Switching Half-Bridge DC-DC Converter Topology by Utilizing the
Transformer Leakage Inductance Trapped Energy; Issued: June 14, 2005
16. US 6,836,414: PWM Half Bridge Converter with Dual-Equally Adjustable Control Signal Dead-Time;
Issued: Dec. 28, 2004.
17. US 6,819,575: AC/DC Switch Mode Power Supply with Power Factor Correction using Direct Energy
Transfer Concept; Issued: Nov. 16, 2004.
18. US 6,636,430: Energy Transfer Concept in AC/DC Switch Mode Power Supply with Power Factor
Correction; Issued: October 21, 2003.
19. US 6,628,106: Control Method and Circuit to Provide Voltage and Current Regulation For Multiphase
Dc-Dc Converters; Issued: September 30, 2003.
20. US 6,594,158: AC/DC Converters with Power Factor Correction Circuits (PFC); Issued: July 15, 2003.
21. US 6,273,248: Coin Disks; Issued: Aug. 14, 2001.
22. US 6,081,410: Coin Disks; Issued: June 27, 2000.
23. US 5,959,849: Single-Switch DC Power Supply with Power Factor Correction; Issued: Sept. 28, 1999.
24. US 5,636,106:Variable Frequency Controlled Zero-Voltage-Switching Single-Ended Current-Fed DCto-AC Converter with Output Isolation; Issued: June 3, 1997.
25. US 5,434,767: Power Converter Processing Zero-Voltage Switching and Output Isolation; Issued: July
18, 1995.
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INTERNATIONALPATENTS ISSUED
26. WO/2006/009576): DYNAMIC OPTIMIZATION OF EFFICIENCY USING DEAD TIME AND FET
DRIVE CONTROL; Issued: January 26, 2006.
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