Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Seoul, KR ranks #2 worldwide for total patents filed in 2021, with 19,886 patents from 8,082 inventors. Leading employers of inventors based in Seoul, KR include LG, Samsung.

Showing 1–50 of 8,082 inventors

Rank Inventor Primary Company Patents
1 Kijun Kim LG 185
2 Hanbyul Seo LG 165
3 Seungmin LEE LG 135
#4 Suckchel Yang LG 111
#5 Joonkui Ahn LG 109
#6 Youngdae Lee LG 105
#6 Jiwon Kang LG 105
#8 Daesung HWANG LG 80
#9 Seonwook KIM LG 79
#10 Woosuk KO LG 74
#11 Sunyoung Lee LG 73
#12 Sukhyon Yoon LG 64
#13 Sungryong Hong LG 62
#13 Hyunsoo Ko LG 62
#15 Hyungtae Kim LG 54
#16 Sejin OH LG 50
#17 Hangyu Cho LG 49
#17 Jaehyuk Jang Samsung 49
#19 Jinsoo CHOI LG 46
#19 Sangrim Lee LG 46
#21 Jaehyun LIM LG 45
#22 Hanjun Park LG 43
#22 Hoil Jeon LG 43
#22 Haewook PARK LG 43
#25 Inkwon Seo LG 42
#26 Kilbom Lee LG 41
#27 Ilmu Byun LG 40
#28 Minsung KWAK LG 39
#29 Kyungah Lee LG 37
#30 Yongho Lee LG 36
#31 Bonghoe Kim LG 35
#32 Youngsoo Ha LG 34
#32 Laeyoung Kim LG 34
#32 Seunggye HWANG LG 34
#35 Seungho Baek LG 33
#35 Kyuseok KIM LG 33
#35 Kyutae Park LG 33
#38 Kwangseok Noh LG 31
#39 Ha Hyun LEE KAIST 29
#39 Jaehyung Kim LG 29
#41 Minki Ahn LG 28
#41 Hyoungshin Park Samsung 28
#41 Jinmin Kim LG 28
#41 Gayeong Lee LG 28
#45 Junghan Ryu LG 27
#46 Hophil Lee LG 26
#46 Bumsang Lee LG 26
#46 Chulmin Lim LG 26
#49 Geonjung KO Wilus Institute Of Standards And Technology 25
#49 Jaeil Bae LG 25