Chang; Tsai-Fu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Tsai-Fu.The latest application filed is for "duty feed forward method and apparatus for modulating a duty of a pmw signal and power converting method and power converter using the same".

Company Profile

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Chang; Tsai-Fu - Taichung TW
CHANG; TSAI-FU - TAICHUNG CITY TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Duty feed forward method and apparatus for modulating duty cycle of PMW signal and power converting method and power converter using the same Grant 8,169,206 - Chang , et al. May 1, 2	2012-05-01
Duty feed forward method and apparatus for modulating a duty of a PWM signal and power converting method and power converter using the same Grant 8,040,122 - Chang , et al. October 18, 2	2011-10-18
Duty Feed Forward Method And Apparatus For Modulating A Duty Of A Pmw Signal And Power Converting Method And Power Converter Using The Same App 20110068763 - CHANG; TSAI-FU ; et al.	2011-03-24
Pulse modulation system with nonlinear ramp Grant 7,498,792 - Chang , et al. March 3, 2	2009-03-03
Duty Feed Forward Method And Apparatus For Modulating A Duty Of A Pmw Signal And Power Converting Method And Power Converter Using The Same App 20080062731 - CHANG; TSAI-FU ; et al.	2008-03-13
Pulse modulation system with nonlinear ramp App 20060273769 - Chang; Tsai-Fu ; et al.	2006-12-07
Method of fabricating a semiconductor memory device Grant 6,723,649 - Chang , et al. April 20, 2	2004-04-20
Structure for preventing salicide bridging and method thereof App 20040056317 - Chang, Tsai-Fu ; et al.	2004-03-25
Structure for preventing salicide bridging and method thereof Grant 6,677,199 - Chang , et al. January 13, 2	2004-01-13
Structure For Preventing Salicide Bridging And Method Thereof App 20040005758 - Chang, Tsai-Fu ; et al.	2004-01-08
Method of fabricating a semiconductor memory device App 20030141278 - Chang, Tsai-Fu ; et al.	2003-07-31

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