State Grid Corporation of China

Chine

 
Quantité totale PI 1 305
Quantité totale incluant filiales 1 407 (+ 297 pour les filiales)
Rang # Quantité totale PI 961
Note d'activité PI 3,5/5.0    719
Rang # Activité PI 1 002
Activité incl filiales 3,2/5.0    788

Brevets

Marques

163 0
10 0
1 132 0
0
 
Dernier brevet 2024 - High-frequency transformer
Premier brevet 2009 - Service access method and system

Filiales

3 subsidiaries with IP (297 patents, 0 trademarks)

3 subsidiaries without IP

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