Guangdong, China

Changchun Yi

This inventor holds 2 USPTO granted patents. Top assignee: Shenzhen Signcomplex Science & Technology Co., Limited. Active years: 2021.


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2021

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2 patents (USPTO):Explore Patents
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