CHU; CHU YU

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHU; CHU YU.The latest application filed is for "clamp circuit and combinational circuit thereof".

Company Profile

0.7.8

CHU; CHU YU - HSINCHU TW
Chu; Chu Yu - Hsinchu City TW
Chu; Chu Yu - Taipei County 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
Clamp Circuit And Combinational Circuit Thereof App 20090174373 - CHENG; LI SHENG ; et al.	2009-07-09
Circuit for fixing peak current of an inductor and method thereof Grant 7,551,008 - Chien , et al. June 23, 2	2009-06-23
Oscillation circuit having current scaling relationship and the method for using the same Grant 7,501,908 - Chien , et al. March 10, 2	2009-03-10
Power transistor circuit and the method thereof Grant 7,495,499 - Chung , et al. February 24, 2	2009-02-24
Circuit for detecting maximal frequency of pulse frequency modulation and method thereof Grant 7,471,117 - Chen , et al. December 30, 2	2008-12-30
Circuit for starting up a synchronous step-up DC/DC converter and the method thereof Grant 7,456,622 - Chien , et al. November 25, 2	2008-11-25
Circuit and method for switching PFM and PWM Grant 7,446,621 - Chen , et al. November 4, 2	2008-11-04
Oscillation circuit and the method for using the same App 20080231386 - Chien; Mao Chuan ; et al.	2008-09-25
Circuit for fixing peak current of an inductor and method thereof App 20080231348 - Chien; Mao Chuan ; et al.	2008-09-25
Circuit for starting up a synchronous step-up DC/DC converter and the method thereof App 20080224673 - Chien; Mao Chuan ; et al.	2008-09-18
Circuit and method for switching PFM and PWM App 20080218284 - Chen; Li Chieh ; et al.	2008-09-11
Power transistor circuit and the method thereof App 20080205099 - Chung; Chien Chuan ; et al.	2008-08-28
Circuit for detecting maximal frequency of pulse frequency modulation and method thereof App 20080197885 - Chen; Li Chieh ; et al.	2008-08-21
DC-to-DC step-up converter and conversion method thereof Grant 7,245,114 - Chu , et al. July 17, 2	2007-07-17
DC-to-DC step-up converter and conversion method thereof App 20060139019 - Chu; Chu Yu ; et al.	2006-06-29

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.