SN

Seung Chul Na

HC Heesung Catalysts: 1 patents #1 of 3Top 35%
📍 Seoul, KR: #3,163 of 7,803 inventorsTop 45%
Overall (2017): #248,368 of 506,227Top 50%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9675949 Quantitative catalyst supply device Sang Yun Han, Hyun-sik Han 2017-06-13