YC

Youn-Han Chang

Samsung: 20 patents #6,655 of 75,807Top 9%
LC L&F Co.: 1 patents #27 of 50Top 55%
Overall (All Time): #210,335 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
8808900 Cylindrical lithium ion secondary battery Yoo-Eup Hyung, Seok-Gyun Chang, Soon Ki Woo 2014-08-19
8133609 Reinforced pouch type secondary battery Sang Bum Kim, Chang-Ho Kim, Won-Chull Han 2012-03-13
7955730 Secondary battery Jong Ku Kim, Soon Ki Woo, Jin Wook Kim, Young Taek Kim, Sang Bong Nam 2011-06-07
7951492 Secondary battery and electrode plate therefor Jung Ho Kim 2011-05-31
7947390 Reinforced pouch type secondary battery Sang Bum Kim, Chang-Ho Kim, Won-Chull Han 2011-05-24
7943251 Rechargeable battery having safety vent Jong Ku Kim, Sang Bong Nam, Soon Ki Woo 2011-05-17
7879484 Cylindrical lithium ion secondary battery Yoo-Eup Hyung, Seok-Gyun Chang, Soon Ki Woo 2011-02-01
7858218 Cylindrical lithium ion secondary battery having functional center pin Seok-Gyun Chang, Soon Ki Woo, Yoo-Eup Hyung 2010-12-28
7722984 Reinforced pouch type secondary battery Sang Bum Kim, Chang-Ho Kim, Won-Chull Han 2010-05-25
7687203 Positive active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same Jaephil Cho, Jin Young Kim, Yoo-Jung Kim, Hyun Jung Kim, Hae Suk Hwang 2010-03-30
7655349 Cylindrical lithium secondary battery Jong Ku Kim, Soon Ki Woo, Jin Wook Kim, Sang Bong Nam 2010-02-02
7534522 Cylindrical lithium ion secondary battery having functional center pin Seok-Gyun Chang, Soon Ki Woo, Yoo-Eup Hyung 2009-05-19
7410723 Pouch type secondary battery Sang Bum Kim, Chang-Ho Kim 2008-08-12
6737196 Method of making a lithium polymer battery and battery made by the method Jung Ho Kim 2004-05-18
6451472 Lithium battery and manufacturing method thereof Jung Ho Kim 2002-09-17
6451476 Case including peripheral sealing portions for enclosing a secondary battery Jong-hoon Yun 2002-09-17
6399253 Secondary battery with planar electrodes having collectors with polygonal through holes Jung Ho Kim 2002-06-04
6387566 Battery with laminated insulator/metal/insulator case Young-ik Chang, Ha-Young Lee 2002-05-14
6371997 Method for manufacturing lithium polymer secondary battery and lithium polymer secondary battery made by the method Jung Ho Kim 2002-04-16
6335110 Secondary battery Jeong-Won Oh 2002-01-01
D291202 Computer monitor Soo D. Kim 1987-08-04