Guangzhou, China

Yang Ruan

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Colgate Palmolive Company. Active years: 2018-2021.


% Patents Active = 100.0


Average Co-Inventor Count = 2.4

ph-index = 1


Company Filing History:


Years Active: 2018-2021

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2 patents (USPTO):Explore Patents
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