Beijing, China

Yingquan Chang


Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 40(Granted Patents)


Company Filing History:

goldMedal1 out of 1 
 
Beijing Playdo Outdoor Technology Co., Ltd
 patent
silverMedal2 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 2021-2025

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4 patents (USPTO):
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