Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sejong, KR ranks #1,449 worldwide for total patents filed in 2021, with 95 patents from 32 inventors. Leading employers of inventors based in Sejong, KR include KAIST, Hexacheck, LG.

Showing 1–32 of 32 inventors

Rank Inventor Primary Company Patents
1 Nam-Ho HUR KAIST 31
2 In-Duk Hwang Hexacheck 20
3 Moonsun Lee LG 4
#4 Jin-Ho ON KAIST 3
#4 Min Cheol Park Samsung 3
#4 Sung Bae BYUN Cj Cheiljedang 3
#7 Jong Yeol Kim Kt&G 2
#7 Soonryong Park Samsung 2
#7 Min Hye YOUN Korea Institute Of Energy Research 2
#7 Jin-Ho Kyung Korea Institute Of Machinery & Materials 2
#7 Doo-Hyeong Kim Korea Institute Of Machinery & Materials 2
#12 Seong-Woo Bae 1
#12 Dangoh Kim LG 1
#12 Gu-won Seo 1
#12 Mi Kyung Oh KAIST 1
#12 Kyoung Dong Kim Myongji University Industry And Academia Cooperation Foundation 1
#12 Seung Pil Pack Korea University Research And Business Foundation, Sejong Campus 1
#12 Hyungseok Choi Agency For Defense Development 1
#12 Daseuli Yu Institute For Basic Science 1
#12 Chang Hoon Han Samsung 1
#12 Keumpil Song 1
#12 In Ho Kwon Korea United Pharm. 1
#12 Sang-Keun Yoo KAIST 1
#12 Tae Sik Jung Kepco Nuclear Fuel Co. 1
#12 Dongjin Ju 1
#12 Jin-A Choe Samsung 1
#12 Sun-Joong Kim KAIST 1
#12 Hojae Hwang 1
#12 Tae Woong Ahn Korea Institute Of Geoscience And Mineral Resources 1
#12 Dong Jin Ju 1
#12 Soon-min Lim 1
#12 Sung Kwon Ko Kangwon National University Industry Cooperation Foundation 1