With the analysis among 592 patents, we discovered top 420 key players by total patent application. ANHUI SURVEY AND DESIGN INSTITUTE OF WATER RESOURCES AND HYDROPOWER, Shanghai Municipal Engineering Design Inst (Group) Co., Ltd., China Railway Design Group Co., Ltd. are dominant in this area. They take 6.08% of the total patent filing.
Anhui Sheng, China
Patent: 17
Shanghai Shi, China
Patent: 11
Tianjin Shi, China
Patent: 8
Shanxi Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Illinois, United States
Patent: 6
Shaanxi Sheng, China
Patent: 5
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With the analysis among related 796 patents applied in the last 5 years. We discover 495 most active companies in this area. The fast-growing ANHUI SURVEY AND DESIGN INSTITUTE OF WATER RESOURCES AND HYDROPOWER, Qingdao University of Science & Technology, Shijiazhuang Tiedao University take 5.28% of patent filing during this period.
Anhui Sheng, China
Patent: 17
Shandong Sheng, China
Patent: 15
Hebei Sheng, China
Patent: 10
Shaanxi Sheng, China
Patent: 10
Anhui Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 9
Shandong Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 7
Hunan Sheng, China
Patent: 7
With the analysis among related 796 patents in last 5 years, we discover 420 new entrants. ANHUI SURVEY AND DESIGN INSTITUTE OF WATER RESOURCES AND HYDROPOWER, Shijiazhuang Tiedao University, Qingdao University of Technology are the most active new entrants in this area.
Anhui Sheng, China
Patent: 17
Hebei Sheng, China
Patent: 10
Shandong Sheng, China
Patent: 8
Illinois, United States
Patent: 6
Henan Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Chongqing Shi, China
Patent: 3
With the analysis among 647 patents, we discovered top 157 universities and scientific research institutions by total patent application. Tongji University, Qingdao University of Science & Technology, Chang'an University are dominant in this area. They take 8.04% of the total patent filing.
Shanghai Shi, China
Patent: 19
Shandong Sheng, China
Patent: 17
Shaanxi Sheng, China
Patent: 16
Anhui Sheng, China
Patent: 14
Zhejiang Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 11
Hubei Sheng, China
Patent: 10
Hebei Sheng, China
Patent: 10
Tianjin Shi, China
Patent: 10
Shanghai Shi, China
Patent: 9