Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sejong, KR ranks #2,464 worldwide for total patents filed all time, with 1,258 patents from 163 inventors. Leading employers of inventors based in Sejong, KR include KAIST, Samsung, Hexacheck.

Showing 1–50 of 163 inventors

Rank Inventor Primary Company Patents
1 Nam-Ho HUR KAIST 310
2 Min Cheol Park Samsung 165
3 Ho-Cheol Lee Samsung 66
#4 In-Duk Hwang Hexacheck 56
#5 Chung Hee Lee KAIST 39
#6 Jong Yeol Kim Kt&G 34
#7 Sun-Joong Kim KAIST 27
#8 Jung-Hoon Cheon Samsung 24
#9 Mi Kyung Oh KAIST 23
#10 Namho Hur KAIST 20
#11 Moonsun Lee LG 18
#11 Yun-Jeong Kim Samsung 18
#13 Jae-Kul Lee Samsung 17
#13 Chang Hoon Han Samsung 17
#15 Hoo Sung Lee KAIST 16
#16 Min A Yu LG 15
#16 Geon Hee Kim Korea Basic Science Institute 15
#18 Sin Kwon Samsung 13
#19 Soonryong Park Samsung 12
#19 Sang-Keun Yoo KAIST 12
#21 Sung Bae BYUN Cj Cheiljedang 11
#22 Bugi Kim Standard Energy 10
#23 Sang Jun Yoon Korea Institute Of Energy Research 9
#23 Jae Hong Ruy KAIST 9
#23 Young-sik Ghim Korea Research Institute Of Standards And Science 9
#23 Jin Chul YANG Kt&G 9
#27 Jin-Ho ON KAIST 8
#28 Joung Myung Lim Hanwha Advanced Materials 6
#28 Kwang Jae Son Korea Atomic Energy Research Institute 6
#28 Jin-Ho Kyung Korea Institute Of Machinery & Materials 6
#31 Sang Pil Jo Doosan Enerbility Co. 5
#31 Dong Kil Lee Korea Institute Of Geoscience And Mineral Resources 5
#31 Seung Pil Pack Korea University Research And Business Foundation, Sejong Campus 5
#31 Chanheum Yoon Coavis 5
#31 Hyungseok Choi Agency For Defense Development 5
#31 Tae Sik Jung Kepco Nuclear Fuel Co. 5
#31 Eun Hye Jang KAIST 5
#38 Min Hye YOUN Korea Institute Of Energy Research 4
#38 Hunsik Han King Abdullah City For Atomic & Renewable Energy (K.A. Care) 4
#38 Doo-Hyeong Kim Korea Institute Of Machinery & Materials 4
#38 Dongheon Mo Coavis 4
#38 Beom Joo Seo LG 4
#38 Kyung-Soo Yi LG 4
#38 Dangoh Kim LG 4
#38 Doo Pyo Hong Samsung 4
#38 Kwanseong Jeong Korea Atomic Energy Research Institute 4
#38 Jae-Jung Ko Enf Technology Co. 4
#38 Jin-A Choe Samsung 4
#38 Jin-Pyo Lee Korean Research Institute Of Chemical Technology 4
#38 Sung Hyun Joo Cheil Industries 4