CY

Choong Sik Yoo

Samsung: 10 patents #13,191 of 75,807Top 20%
Overall (All Time): #515,509 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8742878 Transformer and flat panel display device including the same Geun Young Park, Myeong Sik Cheon, Jae Hyun Lee, Young-Min Lee, Hwi Beom Shin +2 more 2014-06-03
8698587 Transformer Geun Young Park, Sang-Joon Seo, Heung Gyoon Choi, Moo Jong Kang, Hwi Beom Shin +2 more 2014-04-15
6667566 Piezoelectric transformer for fluorescent lamp Jong Sun Kim 2003-12-23
6600273 High-power electronic ballast for fluorescent lamp Jong Sun Kim, Jong-Man Jung 2003-07-29
6544433 Piezoelectric ceramic composition, and high power output transformer made of the same composition Jong Sun Kim, Joo Hyun Yoo, Yong-Woo Lee 2003-04-08
6533957 Piezoelectric ceramic composition, and high power output transformer made of the same composition Jong Sun Kim, Joo Hyun Yoo, Yong-Woo Lee 2003-03-18
6509699 Digital controlled electronic ballast with piezoelectric transformer Jong Soo Kim, Sang Hyun Lee, Jong Sun Kim, Jong-Man Jung 2003-01-21
6495947 Piezoelectric ceramic composition, and high power output transformer made of the same composition Jong Sun Kim, Joo Hyun Yoo, Yong-Woo Lee 2002-12-17
6492763 Piezoelectric ceramic composition, and high power output transformer made of the same composition Jong Sun Kim, Joo Hyun Yoo, Yong-Woo Lee 2002-12-10
5843371 Lead-free soldering material having superior solderability Mi-Yeon Kim, Duk Yong Yoon 1998-12-01