CK

Chang-Hak Kim

📍 Seoul, KR: #14,539 of 39,741 inventorsTop 40%
Overall (All Time): #1,535,030 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8834625 Ultra-rapid hardening hydraulic binder using reduced slag powder, and method of preparing the same Jin-Man Kim, Eun-Gu Kwak, Sang Yoon Oh, Ki-woong Kang, Dong-Cheol Heo 2014-09-16
7100619 Attaching apparatus of artificial nail 2006-09-05
7008335 Golf tee 2006-03-07