Amsterdam, Netherlands

Stephen Nkrumah

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Shell Oil Comapny. Active years: 2013-2014.

USPTO Granted Patents = 3 

% Patents Active = 33.3

Average Co-Inventor Count = 2.6

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2013-2014

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3 patents (USPTO):Explore Patents
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