Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Cheol Ahn — 2 Patents

IGIps Group: 1 patents #41 of 66Top 65%
Pyeongtaek-si, KR: #173 of 458 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Cheol Ahn has been granted 2 US patents while listed as an inventor at Ips Group. The first was granted in 2007 and the most recent in December 2025. Cheol Ahn ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Cheol Ahn in Pyeongtaek-si, KR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12503494 Antibacterial protein CDL200 having lytic activity against Clostridioides difficile Seong Jun Yoon, Jee Soo Son, In Seok KIM, Soo Youn Jun, Sang Hyeon Kang 2025-12-23
7163719 Method of depositing thin film using hafnium compound Young-Hoon Park, Sang Jin Lee, Byoung Cheol Cho, Sang Park, Hong Lim +2 more 2007-01-16