Seoul, South Korea

Dong Jo Chang

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Chemtech Research Incorporation, Kt&g Corporation. Active years: 2009.

USPTO Granted Patents = 1 

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2009

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1 patent (USPTO):Explore Patents
Profile summary based on public USPTO records.
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