CC

Cheong-Ho Chang

SC Sewoncellontech Co.: 4 patents #1 of 27Top 4%
Overall (All Time): #805,941 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11590256 Medical material produced using collagen and method for producing same Jin Sub Kim, Ji Chul YOO, Dong Sam SUH 2023-02-28
11292827 Method for producing high-concentration collagen for using as medical material Hyeong Woo Jeong, Ji Chui Yoo, Se Ken Yeo, Dong Sam SUH 2022-04-05
10973952 Matrix for restoring soft tissue and producing method therefor Ki-Soo Kim, Ji Chui Yoo, Se Ken Yeo, Sang Bum Choi, Chang-Kwon Ko +1 more 2021-04-13
9879226 Mesenchymal stem cell basic culturing medium Dong Sam SUH, Jun Keun Lee, Dong Il Chang, Min Jung Choi, Jang Hoon Kim +1 more 2018-01-30
9408975 Apparatus for operating syringe piston Seok-jung Kim, Jae-Deog Jang, Hyun-Shin Park, Sae-Bom Lee, Kyoung-Phil Byun 2016-08-09
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, Sae-Bom Lee, Se-Geun Yeo, Chang-Kwon Ko 2010-08-24