Detecting and Visualizing the Communities of Innovation in Beijing-Tianjin-Hebei Urban Agglomeration Based on the Patent Cooperation Network

Table 8

Top 20 nodes with the largest degree across regions.

Organizations	Province	Degree across regions	Degree	Industry
State Grid	Beijing	308	685	Power
Tianjin University	Tianjin	78	225	University
China National Offshore Oil Corporation	Beijing	75	125	Petroleum
Tsinghua University	Beijing	74	575	University
University of Science and Technology Beijing	Beijing	40	181	University
State Grid Hebei Electric Power Company	Hebei	38	126	Power
CNOOC Energy Development Co., Ltd.	Beijing	37	50	Petroleum
Hebei University of Technology	Tianjin	35	82	University
China National Petroleum Corporation	Beijing	34	69	Petroleum
Beijing University of Chemical Technology	Beijing	33	135	University
State Grid Tianjin Electric Power Company	Tianjin	33	54	Power
China Electric Power Research Institute	Beijing	30	146	Institution
The Third Railway Survey and Design Institute Group Co., Ltd.	Tianjin	29	38	Railway
North China Electric Power University	Beijing	28	116	University
Institute of Process Engineering, CAS	Beijing	26	74	Institution
Nankai University	Tianjin	25	116	University
Chinese Academy of Military Medical Sciences	Tianjin	25	28	Institution
CNPC Bohai Petroleum Equipment Manufacturing Co., Ltd.	Tianjin	24	30	Petroleum
China Shenhua Energy Co., Ltd.	Beijing	23	79	Mining
North China Electric Power University (Baoding)	Hebei	21	26	University