TO

Tchang Hun Oh

LC Lg Innotek Co.: 5 patents #605 of 2,133Top 30%
KO Kopin: 3 patents #58 of 138Top 45%
AT Agilent Technologies: 1 patents #1,723 of 3,411Top 55%
📍 Seoul, CA: #373 of 604 inventorsTop 65%
Overall (All Time): #563,085 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10636944 Semiconductor light-emitting device and method for fabricating the same Hwan Hee Jeong, Sang Youl Lee, June O Song, Hee Seok Choi, Kwang Ki Choi 2020-04-28
9935245 Semiconductor light-emitting device and method for fabricating the same Hwan Hee Jeong, Sang Youl Lee, June O Song, Hee Seok Choi, Kwang Ki Choi 2018-04-03
9608169 Semiconductor light-emitting device and method for fabricating the same Hwan Hee Jeong, Sang Youl Lee, June O Song, Hee Seok Choi, Kwang Ki Choi 2017-03-28
9117971 Semiconductor light-emitting device and method for fabricating the same Hwan Hee Jeong, Sang Youl Lee, June O Song, Hee Seok Choi, Kwang Ki Choi 2015-08-25
8421105 Semiconductor light-emitting device and method for fabricating the same Hwan Hee Jeong, Sang Youl Lee, June O Song, Hee Seok Choi, Kwang Ki Choi 2013-04-16
7122841 Bonding pad for gallium nitride-based light-emitting devices Hong K. Choi, John C. C. Fan, Jagdish Narayan 2006-10-17
6847052 Light-emitting diode device geometry John C. C. Fan, Hong K. Choi, Jyh-Chia Chen, Jagdish Narayan 2005-01-25
6734091 Electrode for p-type gallium nitride-based semiconductors Hong K. Choi, Bor-Yeu Tsaur, John C. C. Fan, Shirong Liao, Jagdish Narayan 2004-05-11
6658040 High speed VCSEL Syn-Yem Hu, I-Hsing Tan 2003-12-02