Inventor
HA CHANG-SIK
KR12 patents
⚠️ This page may combine multiple inventors who share the name “HA CHANG-SIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT UNIV PUSAN IND UNIV COOP FOUND
3 patentsUS12158376B2Dec 3, 2024
Temperature-sensitive film and temperature measurement system using thereof
NAT UNIV PUSAN IND UNIV COOP FOUND0 citations55
US12590223B2Mar 31, 2026
Method for preparing metallopolymer-based coating solution
NAT UNIV PUSAN IND UNIV COOP FOUND0 citations47
US10029231B2Jul 24, 2018
Organic-inorganic hybrid nanoporous silica material and method for preparing same
NAT UNIV PUSAN IND UNIV COOP FOUND0 citations41
KOLON INC
3 patentsUS9657140B2May 23, 2017
Polyimide and film using same
KOLON INC0 citations48
US9656982B2May 23, 2017
Acid dianhydride, method for preparing same, and polyimide prepared therefrom
KOLON INC0 citations48
US9676739B2Jun 13, 2017
Acid dianhydride, method for preparing same, and polyimide prepared therefrom
KOLON INC0 citations47
HA CHANG-SIK
2 patentsUS8969241B2Mar 3, 2015
Organic-inorganic hybrid mesoporous silica material modified by sulfonic acid group for selective adsorption of metal ions and method of manufacturing the same
HA CHANG-SIK1 citations46
US8828476B2Sep 9, 2014
Polyimide nanocomposite and method for preparing same
HA CHANG-SIK0 citations40
PUSAN NAT UNIV INDUSTRY-UNIV COOP FOUND
2 patentsUS9745490B2Aug 29, 2017
PVC-based metallopolymer nanocomposites, and coating composition and coating film comprising same
PUSAN NAT UNIV INDUSTRY-UNIV COOP FOUND1 citations43
US9783639B2Oct 10, 2017
Diamine compound, and polyamic acid and polyimide using the same
PUSAN NAT UNIV INDUSTRY-UNIV COOP FOUND0 citations25
IAC IN NAT UNIV CHUNGNAM
2 patentsUS8975207B2Mar 10, 2015
Method for manufacturing adsorptive ball for recovering precious metals and flow through-continuous deionization (FT-CDI) apparatus using the same
IAC IN NAT UNIV CHUNGNAM0 citations42
US9096941B2Aug 4, 2015
Electrolytic cell for flow through-continuous deionization
IAC IN NAT UNIV CHUNGNAM0 citations32