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Patent applications and USPTO patent grants for JO; Du-Hwan.The latest application filed is for "organic-inorganic composite coating composition, and zinc-plated steel sheet surface-treated using same".
Patent | Date |
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Organic-inorganic Composite Coating Composition, And Zinc-plated Steel Sheet Surface-treated Using Same App 20220010147 - JO; Du-Hwan ;   et al. | 2022-01-13 |
Composite Resin Composition For Steel Plate For Fuel Tank, Composite Resin-coated Steel Plate Using Same, And Manufacturing Meth App 20190270894 - JO; Du-Hwan ;   et al. | 2019-09-05 |
Excellent heat-dissipating black resin composition, method for treating a zinc coated steel sheet using the same and steel sheet treated thereby Grant 8,663,793 - Jo , et al. March 4, 2 | 2014-03-04 |
Resin Coated Steel Sheet, Resin Composition Therefor And Steel Sheet Treatment Composition App 20100291379 - Jo; Du-Hwan ;   et al. | 2010-11-18 |
Excellent Heat-dissipating Black Resin Composition, Method For Treating A Zinc Coated Steel Sheet Using The Same And Steel Sheet Treated Thereby App 20100021726 - Jo; Du Hwan ;   et al. | 2010-01-28 |
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