Sun; Yiyoung Tony

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sun; Yiyoung Tony.The latest application filed is for "end-of-life protection circuit and method for high intensity discharge lamp ballast".

Company Profile

0.6.4

Sun; Yiyoung Tony - Beverly MA US

*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
System and method for regulating an open circuit voltage of an HID lamp ballast Grant 8,638,042 - Sun , et al. January 28, 2	2014-01-28
End-of-life protection circuit and method for high intensity discharge lamp ballast Grant 8,154,211 - Brates , et al. April 10, 2	2012-04-10
End-of-life Protection Circuit And Method For High Intensity Discharge Lamp Ballast App 20110084613 - BRATES; Nanu ; et al.	2011-04-14
Discharge lamp lighting device, lighting system and method Grant 7,469,940 - Sun , et al. December 30, 2	2008-12-30
Discharge Lamp Lighting Device, Lighting System And Method App 20080143270 - SUN; Yiyoung Tony ; et al.	2008-06-19
Discharge lamp lighting device, lighting system and method Grant 7,365,951 - Sun , et al. April 29, 2	2008-04-29
Discharge lamp lighting device, lighting system and method App 20070210727 - Sun; Yiyoung Tony ; et al.	2007-09-13
Method and circuit for driving a gas discharge lamp Grant 6,864,645 - Sun , et al. March 8, 2	2005-03-08
Method and circuit for driving a gas discharge lamp App 20040183463 - Sun, Yiyoung Tony ; et al.	2004-09-23

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