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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Gwangyang-si, KR ranks #1,259 worldwide for total patents filed in 2021, with 111 patents from 56 inventors. Leading employers of inventors based in Gwangyang-si, KR include Posco Co., Quantamatrix.

Showing 1–50 of 56 inventors

Rank Inventor Primary Company Patents
1 Seong-Woo Kim Posco Co. 7
2 Sang-Ho Han Posco Co. 4
2 Gyoo Taek Lee Posco Co. 4
2 Jung Kuk KIM Posco Co. 4
2 Kyoo-Young Lee Posco Co. 4
2 Joo-Hyun RYU Posco Co. 4
2 Tae-Yeob Kim Posco Co. 4
2 Jin-Keun Oh Posco Co. 4
2 Hyeon Seok Hwang Posco Co. 4
#10 Kyung-Hoon Nam Posco Co. 3
#10 Kyoung-Pil KO Posco Co. 3
#10 Young-Jin Kwak Posco Co. 3
#10 Sea-Woong Lee Posco Co. 3
#14 Sang-Heon Kim Posco Co. 2
#14 Hong-Yeol Oh Posco Co. 2
#14 Yong-Hwa Jung Posco Co. 2
#14 Ki Hwan Joung Posco Co. 2
#14 Yong-Gyun Jung Quantamatrix 2
#14 Ki-Cheol Kang Posco Co. 2
#14 Jong-Sang Kim Posco Co. 2
#14 Min-Seo KOO Posco Co. 2
#14 Je-Woong Lee Posco Co. 2
#14 Won-Hwi Lee Posco Co. 2
#14 Chang-Hyo SEO Posco Co. 2
#14 Hye Jin Yoo Posco Co. 2
#14 Il-Ryoung Sohn Posco Co. 2
#14 Il-Jeong Park Posco Co. 2
#14 Jae-Young Cho Posco Co. 2
#14 Dong-Yoeul Lee Posco Co. 2
#14 Seok-Jun Hong Posco Co. 2
#31 Jai-Hyun Kwak Posco Co. 1
#31 Dong-Seoug Sin Posco Co. 1
#31 Un-bea Park Industry-Academia Cooperation Group Of Sejong University 1
#31 Yeong Seon Park Posco Co. 1
#31 Rho-Bum Park Posco Co. 1
#31 Yeon Sang An Posco Co. 1
#31 Heung-Yun Kim Posco Co. 1
#31 Ha-Na CHOI Posco Co. 1
#31 Min Sung Joo Posco Co. 1
#31 Byun-Mok Hwang Posco Co. 1
#31 Kyung Min Noh Posco Co. 1
#31 Seok-Chan Choe Posco Co. 1
#31 Mun-Jong Eom Posco Co. 1
#31 Tae-Chul Kim Posco Co. 1
#31 Kwang-Tai Min Posco Co. 1
#31 Un-Hae Lee Posco Co. 1
#31 Jeom-Soo Shin Posco Co. 1
#31 Tae-Il So Posco Co. 1
#31 Bong-Hwan Yoo Posco Co. 1
#31 Min-Suk Oh Posco Co. 1