Gwangyang
Korea (South)
1
2010-01-28
The entities that hold a legal rights for patent applications filed by inventor Jo Du Hwan:
Du Hwan Jo from Gwangyang, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Excellent heat-dissipating black resin composition, method for treating a zinc coated steel sheet using the same and steel sheet treated thereby
3744366 ⎘