{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Unknown", "item": "https://www.patentleaderboard.com/company/unknown"}, {"@type": "ListItem", "position": 3, "name": "Jonghan Yhei", "item": "https://www.patentleaderboard.com/inventor/fl:jo_ln:yhei-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JY

Jonghan Yhei — 1 Patent

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Seoul, KR: #25,289 of 39,741 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Jonghan Yhei has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2013. Jonghan Yhei ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Jonghan Yhei in Seoul, KR.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8420853 Derivatives of cyclic compound and the use thereof Hyunchul CHO, Yonghyun Choi 2013-04-16