How many patents does nanjing power supply company of jiangsu electric power company have?
Answer: Nanjing Power Supply Company Of Jiangsu Electric Power Company has 835 patents for the period 2009 - 2023.
There are 658 patent families with 157 granted patents and 678 applications patents.
The key filing countries are CN: 812 | US: 12 | WO: 11.