Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CK

Chang-Kwon Ko

SCSewoncellontech Co.: 2 patents #3 of 27Top 15%
Seoul, KR: #18,030 of 39,741 inventorsTop 50%
Overall (All Time): #1,874,418 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10973952 Matrix for restoring soft tissue and producing method therefor Ki-Soo Kim, Ji Chui Yoo, Se Ken Yeo, Sang Bum Choi, Dong Sam SUH +1 more 2021-04-13
7781158 Method of separating collagen from the various animal tissues for producing collagen solution and product using the same Ji-Chul Yu, Jae-Deog Jang, Cheong-Ho Chang, Sae-Bom Lee, Se-Geun Yeo 2010-08-24