KC

Kil-Wan Chang

CC Cqv Co.: 2 patents #1 of 9Top 15%
📍 Cheongju-si, KR: #25 of 139 inventorsTop 20%
Overall (2017): #132,795 of 506,227Top 30%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9758677 Plate-like aluminum oxide and preparation method therefor Kwang-Choong Kang, Kyung-don Nam, Yong Ho Son, Myung-Ho Jung, Byung-Ki Choi +1 more 2017-09-12
9629796 Colored glossy pigment using vegetable type natural dye and method for preparing same Min-Hee Choi, Kum-Sung CHO, Kwang-Choong Kang, Byung-Ki Choi, Kwang-Soo Lim 2017-04-25