Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427509 | Cement additive composition comprising polycarboxylic acid-based copolymer | Chang Bum Ko, Dong Jo Ryu, Hyo Min Kim | 2022-08-30 |
IK
Im Gyu Kim
Overall (2022): #423,540 of 548,613Top 80%
1
Patents 2022