5 Utility Patents
#7,831 in Beijing
#27,169 in China
#827,581 in the World
Forward Citations = 5
Company Filing History:

Beijing Guodian Tong Network Technology Co., Ltd
State Grid Qinhuangdao Power Supply Company
4. 1 out of 6
State Grid Jibei Electric Power Company Limited
where one patent can have more than one assignee
Get your Inventor Badge Today