P

Inventor

SUN YIYOUNG

US12 patents
⚠️ This page may combine multiple inventors who share the name “SUN YIYOUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC WORKS R &

3 patents
US6020691AFeb 1, 2000

Driving circuit for high intensity discharge lamp electronic ballast

MATSUSHITA ELECTRIC WORKS R &89 citations97
US6144172ANov 7, 2000

Method and driving circuit for HID lamp electronic ballast

MATSUSHITA ELECTRIC WORKS R &59 citations95
US6448720B1Sep 10, 2002

Circuit for driving an HID lamp

MATSUSHITA ELECTRIC WORKS R &21 citations92

GTE PROD CORP

3 patents
US5262699ANov 16, 1993

Starting and operating circuit for arc discharge lamp

GTE PROD CORP33 citations91
US5142202AAug 25, 1992

Starting and operating circuit for arc discharge lamp

GTE PROD CORP26 citations91
US5138235AAug 11, 1992

Starting and operating circuit for arc discharge lamp

GTE PROD CORP21 citations81

MATSUSHITA ELECTRIC WORKS LTD

2 patents
US6437515B1Aug 20, 2002

Discharge lamp lighting device of high startability with high pulse voltage

MATSUSHITA ELECTRIC WORKS LTD80 citations97
US6593703B2Jul 15, 2003

Apparatus and method for driving a high intensity discharge lamp

MATSUSHITA ELECTRIC WORKS LTD48 citations92

FUKUDA KENICHI

2 patents
US8664872B2Mar 4, 2014

Circuit arrangement for operating a discharge lamp

FUKUDA KENICHI2 citations62
US8084956B2Dec 27, 2011

Apparatus and method for automatically trimming an output parameter of an electronic ballast

FUKUDA KENICHI2 citations62

OSRAM SYLVANIA INC

1 patent
US5574335ANov 12, 1996

Ballast containing protection circuit for detecting rectification of arc discharge lamp

OSRAM SYLVANIA INC94 citations95

BRATES NANU

1 patent
US8212496B2Jul 3, 2012

End-of-life protection circuit and method for high intensity discharge lamp ballast

BRATES NANU0 citations40