South Korea is a global leader in technological innovation, known for its cutting-edge advancements in semiconductors, telecommunications and consumer electronics. With a robust research infrastructure and a thriving innovation ecosystem, South Korean inventors continue to set new standards in industries such as robotics, AI and green technologies, solidifying the country’s reputation as a technological powerhouse.
This list ranks the top 50 most prolific South Korea-based inventors who have patents published between 2020 and 2025, showcasing their impressive patent portfolios and the companies driving their innovations. These inventors are key contributors to South Korea’s continued dominance in the global innovation landscape.
Note: The inventors featured in this list are residents of South Korea, as indicated by their inventor address. The patent count represents the number of patents that are either owned or co-owned by these inventors from 01-01-2020 to 19-09-2025.
| Rank | Inventor | Company | Patent Count |
| 1 | Yang Suckchel | LG | 2978 |
| 2 | Seo Hanbyul | LG | 2953 |
| 3 | Kim Seonwook | LG | 2422 |
| 4 | Choi Jinsoo | Samsung | 2130 |
| 5 | Kim Seunghwan | Samsung | 1833 |
| 6 | Kang Jiwon | Samsung | 1819 |
| 7 | Ahn Joonkui | LG | 1802 |
| 8 | Kim Soenghun | Samsung | 1745 |
| 9 | Kim Kijun | Samsung | 1705 |
| 10 | Lee Youngdae | Samsung | 1700 |
| 11 | Lim Jaehyun | Samsung | 1528 |
| 12 | Yi Yunjung | LG | 1447 |
| 13 | Ko Hyunsoo | LG | 1331 |
| 14 | Hwang Daesung | Samsung | 1287 |
| 15 | Park Sungjin | Samsung | 1245 |
| 16 | Park Giwon | LG | 1139 |
| 17 | Kwak Jinsam | Samsung | 1108 |
| 18 | Lim Dongguk | Wilus Inc | 1070 |
| 19 | Park Eunsung | LG | 1017 |
| 20 | Lee Dong Hoon | Samsung | 997 |
| 21 | Lee Jin Ho | Samsung | 985 |
| 22 | Kim Jaehyung | Samsung | 948 |
| 23 | Ko Woosuk | LG | 945 |
| 24 | Lee Chul Haeng | LG | 919 |
| 25 | Park Haewook | Samsung | 890 |
| 26 | Kim Hyungtae | Samsung | 887 |
| 27 | Yi Seungjune | LG | 884 |
| 28 | Yeo Jeongho | Samsung | 874 |
| 29 | Heo Jin | Samsung | 872 |
| 30 | Kim Jeongki | Dell | 870 |
| 31 | Lee Sunyoung | Samsung | 869 |
| 32 | Back Seoyoung | LG | 862 |
| 33 | Son Juhyung | Samsung | 857 |
| 34 | Jang Jaehyuk | Samsung | 850 |
| 35 | Yoon Sukhyon | LG | 847 |
| 36 | Oh Jinyoung | Samsung | 845 |
| 37 | Kim Youngbum | Samsung | 816 |
| 38 | Park Changhwan | Samsung | 809 |
| 39 | Park Jonghyun | Samsung | 798 |
| 40 | Kim Dong Hyun | Samsung | 784 |
| 41 | Hwang Seunggye | LG | 779 |
| 42 | Park Seung Wook | Hyundai Motor | 779 |
| 43 | Chae Hyukjin | Apple | 770 |
| 44 | Ryu Hyunseok | Samsung | 768 |
| 45 | Jung Sunghoon | Samsung | 763 |
| 46 | Jang Insun | LG | 760 |
| 47 | Chun Jinyoung | Samsung | 746 |
| 48 | Choi Seunghoon | Samsung | 740 |
| 49 | Ji Hyoungju | Samsung | 742 |
| 50 | Kim Sangwon | Samsung | 729 |
Explore the companies driving South Korean innovation. While the Top 50 Inventors in South Korea are at the forefront of new ideas, our list of Top Domestic Companies in South Korea showcases the firms leading the way in patent activity, regardless of their ties to these inventors.
The data of inventors’ patents made available here is solely intended for informational purposes. Although we make every effort to maintain the accuracy and comprehensiveness of the provided information, we cannot guarantee that all data is completely free of errors or entirely up-to-date. If you happen to be the Inventor and notice any discrepancies in the data, please get in touch with us by filling the form below.