With the analysis among 532 patents, we discovered top 404 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., Saipem SpA, SGIDI Engineering Consulting (Group) Co. Ltd. are dominant in this area. They take 4.51% of the total patent filing.
Sichuan Sheng, China
Patent: 9
Lombardia, Italy
Patent: 8
Shanghai Shi, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 5
North Carolina, United States
Patent: 5
Zhejiang Sheng, China
Patent: 5
Nordrhein-Westfalen, Germany
Patent: 5
Guangdong Sheng, China
Patent: 4
No data, please try another search term
With the analysis among related 606 patents applied in the last 5 years. We discover 412 most active companies in this area. The fast-growing Hohai University, Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences, Shandong University take 7.26% of patent filing during this period.
Jiangsu Sheng, China
Patent: 18
undefined undefined
Patent: 14
Shandong Sheng, China
Patent: 12
Shanghai Shi, China
Patent: 11
Yunnan Sheng, China
Patent: 11
Shandong Sheng, China
Patent: 10
Liaoning Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 8
Henan Sheng, China
Patent: 8
Sichuan Sheng, China
Patent: 8
With the analysis among related 606 patents in last 5 years, we discover 331 new entrants. North China University of Water Conservancy and Hydropower, Southwest Petroleum University, Chongqing University are the most active new entrants in this area.
Henan Sheng, China
Patent: 8
Sichuan Sheng, China
Patent: 5
Chongqing Shi, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Liaoning Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Jiangxi Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among 565 patents, we discovered top 126 universities and scientific research institutions by total patent application. Hohai University, Zhejiang University, Tongji University are dominant in this area. They take 14.16% of the total patent filing.
Jiangsu Sheng, China
Patent: 37
Zhejiang Sheng, China
Patent: 24
Shanghai Shi, China
Patent: 16
Shandong Sheng, China
Patent: 15
Yunnan Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 14
Sichuan Sheng, China
Patent: 12
Shaanxi Sheng, China
Patent: 11
Shandong Sheng, China
Patent: 11
Shanghai Shi, China
Patent: 10