Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ulsan, KR ranks #978 worldwide for total patents filed all time, with 3,447 patents from 1,040 inventors. Leading employers of inventors based in Ulsan, KR include Samsung, LG, Hyundai Motor.

Showing 1–50 of 1,040 inventors

Rank Inventor Primary Company Patents
1 Dong-Il Son Samsung 77
2 Sung-Young Lee Samsung 75
3 Sujin Kim LG 71
#4 Mu Kyung Jeon Samsung 69
#5 Jong Yun Park Hyundai Motor 65
#6 Dong Woo Kang LG 62
#7 Chang Yong Shin Samsung 60
#8 Yoon-kyoung Cho Samsung 57
#9 Keon Soo Jin Hyundai Motor 46
#10 Nam-Soon Choi Samsung 43
#11 Jae Chang Lee Samsung 41
#12 Ji Hee Kim LG 36
#13 Jeong Hyeon Kim Hyundai Motor 30
#14 Hak Hyeon Lee Postech Academy-Industry Foundation 29
#15 Yong Seok HAN Samsung 28
#16 Jong Gwang PARK Duksan Neolux Co. 27
#17 Sang Kyu Kwak LG 25
#17 Junhyeok Choi Samsung 25
#19 Jaephil Cho Unist(Ulsan National Institute Of Science And Technology) 24
#19 Bong-Hwan Kim Cheil Industries 24
#21 Oh Sang Kwon Daewoo Electronics 22
#21 Woo-cheol Jeong Samsung 22
#23 Ju-Tae Kim Hyundai Heavy Industries Co. 21
#23 Hee Sup Shin Korea Institute Of Science And Technology 21
#25 Yang Gyu Kim LG 20
#26 Jae-Hoon Joo Samsung 19
#27 Ki Suk Lee Unist(Ulsan National Institute Of Science And Technology) 18
#28 Jeong Ho Yoo Samsung 16
#29 Cheol-Kyu Lee Samsung 15
#30 June-Hyuck Choi Samsung 14
#30 Jeongmoo Kim Skc Co. 14
#30 Pann-Ghill Suh Posco Co. 14
#33 Yong-Jun Shin Sk Chemicals Co. 13
#33 Myoung Yeon Kim Cap 13
#33 Jong-Suk Kim Hyundai Heavy Industries Co. 13
#33 Jeong-Hoon Ko Samsung 13
#37 Junsik Choi Samsung 12
#37 Yu-Na Park Samsung 12
#37 Jong Geon Jegal KAIST 12
#40 Jae Jun Ahn LG 11
#40 Sungyoul Choi KAIST 11
#40 Yoonjee Shin Samsung 11
#43 Sung-Won Jeon Kum 10
#43 Junyoung Ha Hyundai Motor 10
#43 Min Woo Ryu Samsung 10
#43 Jung-Pil Han Lg Hausys 10
#43 Su Yun Choi Hyundai Motor 10
#43 Seon Woo Yoo LG 10
#43 Myoung Hoon Song Unist(Ulsan National Institute Of Science And Technology) 10
#43 Hyo Jeong KWON Samsung 10