CK

Chang Bum Ko

LG: 1 patents #2,309 of 5,209Top 45%
Overall (2018): #459,668 of 503,207Top 95%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10029946 Cement composition additive containing polycarboxylic acid copolymer, zinc oxide particles and gluconate Hyo Min Kim, Imgyu Kim, Dong Jo Ryu 2018-07-24