IDiyas

For the Inventor, By the Inventor

IDiyas’s Digital Inventor Badge (DIB) showcases an inventor’s inventive prowess in granted patents across Utility, Design, and Plant patents. The data has been tracked since January 1, 1976, and refreshed each Tuesday. The data benchmarks an inventor’s prolificness to other inventors in their city, state, country, and the world. The badge reflects an inventor’s success in granted patents across their career.

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Inventor Badge

USPTO Data Jan 1 1976 - Dec 2 2025

2 Utility Patents

#701 in Qingdao

#64,151 in China

...
Qingdao, China

Dewen Du

Forward Citations = 0

Company Filing History:

goldMedal2 out of 9 
 
First Institute of Oceanography, Mnr
 patents
silverMedal1 out of 1 
 
Pilot National Laboratory for Marine Science and Technology (qingdao)
 patent
bronzeMedal1 out of 1 
 
National Marine Data Information Center
 patent
4. 1 out of 1 
 
Qingdao National Laboratory of Marine Science and Technology Development Center
 patent
where one patent can have more than one assignee

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