With the analysis among 1,254 patents, we discovered top 419 key players by total patent application. Hitachi Ltd., Philips, State Grid Corp. of China are dominant in this area. They take 6.38% of the total patent filing.
Tokyo-to, Japan
Patent: 34
State Grid Corp. of China
Beijing Shi, China
Patent: 22
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 20
China Railway 21st Bureau Group Co., Ltd.
Gansu Sheng, China
Patent: 16
Schlumberger Technology BV
Zuid-Holland, Netherlands
Patent: 15
With the analysis among 14 patents, we discovered top 5 start-ups by total patent application. Institut National de la Santé et de la Recherche Médicale, Petrabytes Corp., SP Control Technologies SL are active in this area.
Institut National de la Santé et de la Recherche Médicale
Texas, United States
Patent: 3
SP Control Technologies SL
With the analysis among related 1,366 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hohai University, Southwest Petroleum University, Dalian University of Technology take 6.00% of patent filing during this period.
Jiangsu Sheng, China
Patent: 34
Southwest Petroleum University
Sichuan Sheng, China
Patent: 27
Dalian University of Technology
Liaoning Sheng, China
Patent: 21
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 21
Hubei Sheng, China
Patent: 21
Jiangsu Sheng, China
Patent: 19
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 15
Tianjin Shi, China
Patent: 15
Beijing Shi, China
Patent: 13
With the analysis among related 1,366 patents in last 5 years, we discover 378 new entrants. Xi'an Jiaotong University, Chang'an University, Taiyuan University of Technology are the most active new entrants in this area.
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 15
Shaanxi Sheng, China
Patent: 9
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 8
Henan Sheng, China
Patent: 8
China Mining & Civil New Material Science and Technology Ltd.
Jiangsu Sheng, China
Patent: 7
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 7
Green + Joint Stock Corp.
Bến Tre, Vietnam
Patent: 7
Wuhan University of Technology
Hubei Sheng, China
Patent: 6
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 6
With the analysis among 1,256 patents, we discovered top 220 universities and scientific research institutions by total patent application. Hohai University, China University of Mining & Technology, Southwest Petroleum University are dominant in this area. They take 8.20% of the total patent filing.
Jiangsu Sheng, China
Patent: 41
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 32
Southwest Petroleum University
Sichuan Sheng, China
Patent: 30
Hubei Sheng, China
Patent: 26
Jiangsu Sheng, China
Patent: 24
Ocean University of China
Shandong Sheng, China
Patent: 18
Tianjin Shi, China
Patent: 17
Zhejiang Sheng, China
Patent: 16
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 15
Beijing Shi, China
Patent: 15