Sun; Yiyoung

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sun; Yiyoung.The latest application filed is for "circuit arrangement for operating a discharge lamp".

Company Profile

0.12.6

Sun; Yiyoung - Beverly MA US
Sun; Yiyoung - Danvers MA

*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
Circuit arrangement for operating a discharge lamp Grant 8,664,872 - Fukuda , et al. March 4, 2	2014-03-04
End-of-life protection circuit and method for high intensity discharge lamp ballast Grant 8,212,496 - Brates , et al. July 3, 2	2012-07-03
Apparatus and method for automatically trimming an output parameter of an electronic ballast Grant 8,084,956 - Fukuda , et al. December 27, 2	2011-12-27
Circuit Arrangement For Operating A Discharge Lamp App 20110204806 - Fukuda; Kenichi ; et al.	2011-08-25
End-of-life Protection Circuit And Method For High Intensity Discharge Lamp Ballast App 20110121747 - Brates; Nanu ; et al.	2011-05-26
Apparatus And Method For Automatically Trimming An Output Parameter Of An Electronic Ballast App 20090261749 - FUKUDA; Kenichi ; et al.	2009-10-22
Winding device and method for manufacturing the same App 20030234714 - Sun, Yiyoung ; et al.	2003-12-25
Apparatus and method for driving a high intensity discharge lamp Grant 6,593,703 - Sun July 15, 2	2003-07-15
Apparatus and method for driving a high intensity discharge lamp App 20020190665 - Sun, Yiyoung	2002-12-19
Driving A Hid Lamp App 20020140370 - Sun, Yiyoung	2002-10-03
Circuit for driving an HID lamp Grant 6,448,720 - Sun September 10, 2	2002-09-10
Discharge lamp lighting device of high startability with high pulse voltage Grant 6,437,515 - Kamoi , et al. August 20, 2	2002-08-20
Method and driving circuit for HID lamp electronic ballast Grant 6,144,172 - Sun November 7, 2	2000-11-07
Driving circuit for high intensity discharge lamp electronic ballast Grant 6,020,691 - Sun , et al. February 1, 2	2000-02-01
Ballast containing protection circuit for detecting rectification of arc discharge lamp Grant 5,574,335 - Sun November 12, 1	1996-11-12
Starting and operating circuit for arc discharge lamp Grant 5,262,699 - Sun , et al. November 16, 1	1993-11-16
Starting and operating circuit for arc discharge lamp Grant 5,138,235 - Sun , et al. August 11, 1	1992-08-11

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