Chung; Shu Hung

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chung; Shu Hung.The latest application filed is for "passive lossless snubber cell for a power converter".

Company Profile

0.7.8

Chung; Shu Hung - Hong Kong HK
Chung; Shu Hung - Hong Kong Island HK
Chung; Shu-hung - Kowloon 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
Electronic control method for a planar inductive battery charging apparatus Grant RE45,651 - Ho , et al. August 11, 2	2015-08-11
Electronic control method for a planar inductive battery charging apparatus Grant 8,228,025 - Ho , et al. July 24, 2	2012-07-24
Multi-input DC/DC converters with zero-current switching Grant 8,189,351 - Chung , et al. May 29, 2	2012-05-29
Passive lossless snubber cell for a power converter Grant 8,107,268 - Chung , et al. January 31, 2	2012-01-31
Passive Lossless Snubber Cell For A Power Converter App 20110057639 - Chung; Shu Hung ; et al.	2011-03-10
Electronic Control Method For A Planar Inductive Battery Charging Apparatus App 20090121675 - HO; Wing Choi ; et al.	2009-05-14
Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps Grant 7,521,873 - Hui , et al. April 21, 2	2009-04-21
Multi-input DC/DC converters with zero-current switching App 20080205088 - Chung; Shu Hung ; et al.	2008-08-28
Phase-controlled Dimmable Electronic Ballasts For Fluorescent Lamps With Very Wide Dimming Range App 20080030148 - TANG; Pak Chuen ; et al.	2008-02-07
Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range Grant 7,304,439 - Tang , et al. December 4, 2	2007-12-04
Novel circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps App 20070052373 - Hui; Shu Yuen Ron ; et al.	2007-03-08
Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps Grant 7,119,494 - Hui , et al. October 10, 2	2006-10-10
Wireless remote control systems for dimming electronic ballasts App 20030209999 - Hui, Shu Yuen Ron ; et al.	2003-11-13
Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range App 20030080696 - Tang, Pak Chuen ; et al.	2003-05-01
Novel circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps App 20020145393 - Hui, Shu Yuen Ron ; et al.	2002-10-10

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