Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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CE

Choong-Ki Eun — 3 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
Busan, KR: #554 of 2,411 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Choong-Ki Eun has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 2001 and the most recent in August 2007. Choong-Ki Eun ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Choong-Ki Eun in Busan, KR.

Patents per Year

Patents granted per year, 2001 to 2007Bar chart with a peak of 1 patents in 2001.peak 12001: 1 patents20012003: 1 patents20032007: 1 patents2007

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7261906 Anti-cancer therapy agent of arsenic hexoxide (As4O6) of a natural chemical substance and its pharmaceutical composition Ill Ju Bae, Jong-bae Kim, Seung-Kyu Song, Byung-Sun Suh, Kwan-Hee Lee +6 more 2007-08-28
6589567 Anti-cancer therapy agent of arsenic hexoxide (As4O6) of a natural chemical substance and its pharmaceutical composition Ill Ju Bae, Jong-bae Kim, Seung-Kyu Song, Byung-Sun Suh, Kwan-Hee Lee +6 more 2003-07-08
6309672 Anti-cancer therapy agent of arsenic hexoxide (As4O6) of a natural chemical substance and its pharmaceutical composition Ill Ju Bae, Jong-bae Kim, Seung-Kyu Song, Byung-Sun Suh, Kwan-Hee Lee +6 more 2001-10-30

Frequent Collaborators

Choon-Ho Park3 shared
Myoung-Sool Doo3 shared
Byung-Sun Suh3 shared
Ill Ju Bae3 shared
Taek-Joon Yoon3 shared
Tae-Bong Kang3 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3