Liu; Kwang H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Liu; Kwang H..The latest application filed is for "power adapter interface circuitry for protecting a battery operated system".

Company Profile

0.12.4

Liu; Kwang H. - Sunnyvale CA
Liu; Kwang H. - Taipei 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
Power adapter interface circuitry for protecting a battery operated system Grant 7,106,566 - Liu , et al. September 12, 2	2006-09-12
Dual-output voltage regulator Grant 7,057,310 - Liu , et al. June 6, 2	2006-06-06
Biasing system and method for low voltage DC--DC converters with built-in N-FETs Grant 6,903,535 - Liu , et al. June 7, 2	2005-06-07
Charger system with dual-level current regulation and dual-level thermal regulation Grant 6,861,824 - Liu , et al. March 1, 2	2005-03-01
Power adapter interface circuitry for protecting a battery operated system App 20050007711 - Liu, Kwang H. ; et al.	2005-01-13
Boost-buck cascade converter for pulsating loads Grant 6,798,177 - Liu , et al. September 28, 2	2004-09-28
Dual-output voltage regulator App 20040070276 - Liu, Kwang H. ; et al.	2004-04-15
Bidirectional voltage regulator sourcing and sinking current for line termination Grant 6,707,280 - Liu , et al. March 16, 2	2004-03-16
Biasing system and method for low voltage DC-DC converters with built-in N-FETs App 20030193364 - Liu, Kwang H. ; et al.	2003-10-16
Self-clocking multiphase power supply controller Grant 6,495,995 - Groom , et al. December 17, 2	2002-12-17
Self-clocking multiphase power supply controller App 20020125869 - Groom, Terry J. ; et al.	2002-09-12
Decorative fluorescent lamp and lamp fixture Grant D425,233 - Liu May 16, 2	2000-05-16
Dual-channel power system with an eight-pin PWM control chip Grant 5,999,421 - Liu December 7, 1	1999-12-07
Smart battery selector offering power conversion internally within a portable device Grant 5,903,764 - Shyr , et al. May 11, 1	1999-05-11
Circuit for energizing cold-cathode fluorescent lamps Grant 5,892,336 - Lin , et al. April 6, 1	1999-04-06
Higher-efficiency cold-cathode fluorescent lamp power supply Grant 5,619,402 - Liu April 8, 1	1997-04-08

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.