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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sejong, KR ranks #9,317 worldwide for total patents filed all time, with 221 patents from 2 inventors. Leading employers of inventors based in Sejong, KR include Samsung, Amvac Chemical.

Showing 1–2 of 2 inventors

Rank Inventor Primary Company Patents
1 Eun Kyung Lee Samsung 210
2 Sung-Yong H. Yoon Amvac Chemical 11

Part of Oregon