Liu; Joe Chui Pong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Liu; Joe Chui Pong.The latest application filed is for "high efficiency driver for color light emitting diodes (led)".

Company Profile

0.7.6

Liu; Joe Chui Pong - Hong Kong CN
Liu; Joe Chui Pong - Kwai Hing HK

*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
High efficiency driver for color light emitting diodes (LED) Grant 7,567,040 - Pong , et al. July 28, 2	2009-07-28
High efficiency driver for color light emitting diodes (LED) App 20070040514 - Pong; Man Hay ; et al.	2007-02-22
High efficiency driver for color light emitting diodes (LED) Grant 7,178,971 - Pong , et al. February 20, 2	2007-02-20
Stepping inductor for fast transient response of switching converter Grant 6,815,937 - Poon , et al. November 9, 2	2004-11-09
High efficiency AC-DC converter with power factor corrector Grant 6,812,679 - Liu , et al. November 2, 2	2004-11-02
Stepping inductor for fast transient response of switching converter App 20040080965 - Poon, Franki Ngai Kit ; et al.	2004-04-29
Method and system for providing a DC voltage with low ripple by overlaying a plurality of AC signals Grant 6,697,266 - Poon , et al. February 24, 2	2004-02-24
High efficiency AC-DC converter with power factor corrector App 20030210024 - Liu, Joe Chui Pong ; et al.	2003-11-13
Method And System For Providing A Dc Voltage By Overlaying A Plurality Of Ac Signals App 20030165069 - Poon, Franki Ngai Kit ; et al.	2003-09-04
Current driven synchronous rectifier with energy recovery using hysterisis driver Grant 6,597,587 - Poon , et al. July 22, 2	2003-07-22
High efficiency driver for color light emitting diodes (LED) App 20030112229 - Pong, Man Hay ; et al.	2003-06-19
High efficiency AC-DC converter with power factor corrector App 20020110012 - Liu, Joe Chui Pong ; et al.	2002-08-15
Stepping inductor for fast transient response of switching converter Grant 6,188,209 - Poon , et al. February 13, 2	2001-02-13

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