Fang, Zhimin

Canada

 
Quantité totale PI 1
Rang # Quantité totale PI 1 260 331
Note d'activité PI 0/5.0    0
Rang # Activité PI 1 656 821

Brevets

Marques

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Dernier brevet 2015 - Improved hearing aid devices wit...
Premier brevet 2014 - Improved hearing aid devices wit...

Derniers inventions, produits et services

2014 Invention Improved hearing aid devices with reduced backround and feedback noises. A personal sound process...