Hangzhou, China

4d Bios Co., Ltd.


USPTO Granted Patents = 2

Trademarks = 4

Forward Citations = 14

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3 inventors (with patents filed for the assignee):

goldMedal Xin Li (1 out of 22 patents)

silverMedal Nan Chen (1 out of 1 patent)

bronzeMedal Xing Wang (1 out of 3 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 2 2025

2 Patents

#238 in Hangzhou

#9,910 in China

...
Hangzhou, China
Forward Citations = 14

3 inventors:

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