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Yiyoung Sun — 17 Patents

Panasonic: 12 patents #2,092 of 21,108Top 10%
GPGte Products: 3 patents #246 of 928Top 30%
OSOsram Sylvania: 1 patents #499 of 820Top 65%
Comcast: 1 patents #2,448 of 4,447Top 60%
Danvers, MA: #27 of 334 inventorsTop 9%
Massachusetts: #7,047 of 88,656 inventorsTop 8%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Yiyoung Sun has been granted 17 US patents while listed as an inventor at Panasonic. The first was granted in 1992 and the most recent in March 2014. Yiyoung Sun ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Yiyoung Sun in Danvers, MA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8664872 Circuit arrangement for operating a discharge lamp Kenichi Fukuda 2014-03-04
8638042 System and method for regulating an open circuit voltage of an HID lamp ballast Kenichi Fukuda 2014-01-28
8212496 End-of-life protection circuit and method for high intensity discharge lamp ballast Nanu Brates, Bhavinkumar Shah 2012-07-03 $62,000
8154211 End-of-life protection circuit and method for high intensity discharge lamp ballast Nanu Brates, Bhavinkumar Shah 2012-04-10 $64,000
8084956 Apparatus and method for automatically trimming an output parameter of an electronic ballast Kenichi Fukuda 2011-12-27 $64,000
7469940 Discharge lamp lighting device, lighting system and method Takeshi Goriki, Kenichi Fukuda 2008-12-30 $292,000
7365951 Discharge lamp lighting device, lighting system and method Takeshi Goriki, Kenichi Fukuda 2008-04-29 $635,000
6864645 Method and circuit for driving a gas discharge lamp Takeshi Goriki, Hiroyasu Eriguchi 2005-03-08 $275,000
6593703 Apparatus and method for driving a high intensity discharge lamp — 2003-07-15 $257,000
6448720 Circuit for driving an HID lamp — 2002-09-10 $211,000
6437515 Discharge lamp lighting device of high startability with high pulse voltage Takeshi Kamoi, Naoki Komatsu, Tsutomu Shiomi, Hiroichi Shinbori, Takeshi Goriki 2002-08-20 $274,000
6144172 Method and driving circuit for HID lamp electronic ballast — 2000-11-07 $235,000
6020691 Driving circuit for high intensity discharge lamp electronic ballast Takeshi Goriki 2000-02-01 $727,000
5574335 Ballast containing protection circuit for detecting rectification of arc discharge lamp — 1996-11-12
5262699 Starting and operating circuit for arc discharge lamp Long Nguyen 1993-11-16 $146,040,000
5142202 Starting and operating circuit for arc discharge lamp Long Nguyen 1992-08-25 $40,581,000
5138235 Starting and operating circuit for arc discharge lamp Long Nguyen 1992-08-11 $30,848,000

Nearby-Ranked Inventors

Michael John Caelwaerts17
Umut Zalluhoglu17
Austino Longo17
Till Bredbeck17
Mircea Grigore17
Achim Klein17
Manesh Nadupparambil Sekharan17
Yoshiaki Nishikawa17
Evan Sparks17