With the analysis among 384 patents, we discovered top 272 key players by total patent application. Powerchina Huadong Engineering Corp. Ltd., Tianjin Coastal Zone Engineering Co., Ltd., China Oilfield Services Ltd. are dominant in this area. They take 5.73% of the total patent filing.
Zhejiang Sheng, China
Patent: 10
Tianjin Shi, China
Patent: 7
Tianjin Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Guangdong Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Minnesota, United States
Patent: 4
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Oregon, United States
Patent: 1
With the analysis among related 240 patents applied in the last 5 years. We discover 147 most active companies in this area. The fast-growing Tianjin University, Nantong University, Dalian University of Technology take 12.50% of patent filing during this period.
Tianjin Shi, China
Patent: 11
Jiangsu Sheng, China
Patent: 11
Liaoning Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
With the analysis among related 240 patents in last 5 years, we discover 123 new entrants. Dongguan Huake Construction Technology Co., Ltd., ChangJiang Survey, Planning, Design and Research Co., Ltd, Dongzhu Ecological Environment Protection Co., Ltd. are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Jiangxi Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 2
With the analysis among 238 patents, we discovered top 56 universities and scientific research institutions by total patent application. Hohai University, Zhejiang University, Tianjin University are dominant in this area. They take 25.63% of the total patent filing.
Jiangsu Sheng, China
Patent: 27
Zhejiang Sheng, China
Patent: 20
Tianjin Shi, China
Patent: 14
Jiangsu Sheng, China
Patent: 12
Zhejiang Sheng, China
Patent: 12
Jiangsu Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 5
Tianjin Shi, China
Patent: 5