Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Gwangyang-si, KR ranks #3,038 worldwide for total patents filed all time, with 997 patents from 144 inventors. Leading employers of inventors based in Gwangyang-si, KR include Posco Co., Quantamatrix, Samsung.

Showing 1–50 of 144 inventors

Rank Inventor Primary Company Patents
1 Sang-Heon Kim Posco Co. 63
2 Seong-Woo Kim Posco Co. 61
3 Jin-Keun Oh Posco Co. 49
#4 Sang-Ho Han Posco Co. 34
#5 Il-Ryoung Sohn Posco Co. 33
#6 Hyeon Seok Hwang Posco Co. 32
#7 Jong-Sang Kim Posco Co. 27
#7 Tae-Yeob Kim Posco Co. 27
#9 Young-Jin Kwak Posco Co. 24
#10 Tae-Chul Kim Posco Co. 21
#11 Jung Kuk KIM Posco Co. 19
#12 Yong-Hwa Jung Posco Co. 18
#12 Kyoo-Young Lee Posco Co. 18
#14 Seok-Jun Hong Posco Co. 16
#14 Min-Suk Oh Posco Co. 16
#16 Jae-Young Cho Posco Co. 15
#16 Jai-Hyun Kwak Posco Co. 15
#16 Kyung-Hoon Nam Posco Co. 15
#16 Yong-Gyun Jung Quantamatrix 15
#20 Hye Jin Yoo Posco Co. 14
#20 Joo-Hyun RYU Posco Co. 14
#20 Dong-Yoeul Lee Posco Co. 14
#23 Ki-Cheol Kang Posco Co. 13
#23 Kyoung-Bo Kim Samsung 13
#25 Sang-Deok Kang Posco Co. 12
#26 Mun-Jong Eom Posco Co. 11
#27 Tae-Jin Song Posco Co. 10
#27 Min-Seo KOO Posco Co. 10
#27 Je-Woong Lee Posco Co. 10
#27 Ha-Na CHOI Posco Co. 10
#27 Heung-Yun Kim Posco Co. 10
#32 Bong-Hwan Yoo Posco Co. 9
#32 Tai Ho Kim Sk Hynix 9
#32 Il-Jeong Park Posco Co. 9
#32 Sea-Woong Lee Posco Co. 9
#36 Chang-Se Byeon Posco Co. 8
#36 Yong-Hun Kweon Posco Co. 8
#36 Choong Soo Lim Posco Co. 8
#39 Chang-Hyo SEO Posco Co. 7
#39 Gyoo Taek Lee Posco Co. 7
#39 Yang-Ho Choi Posco Co. 7
#39 Chang-Woon Jee Posco Co. 7
#39 Yu-Mi Ha Posco Co. 7
#39 Kyoung-Pil KO Posco Co. 7
#39 Young-Sool Jin Posco Co. 7
#46 Hyeong-Jun Huh Posco Co. 6
#46 Young-Roc IM Posco Co. 6
#46 Tae-In Jang Posco Co. 6
#46 Hyo-Sik Chun Posco Co. 6
#46 Dae-Young Kang Posco Co. 6