With the analysis among 56 patents, we discovered top 57 key players by total patent application. Guizhou Zhengye Engineering Technology Investment Co Ltd., SGIDI Engineering Consulting (Group) Co. Ltd., China Railway Tunnel Bureau Group Co., Ltd. are dominant in this area. They take 12.50% of the total patent filing.
Guizhou Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Shanghai Shi, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Guizhou Sheng, China
Patent: 2
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With the analysis among related 43 patents applied in the last 5 years. We discover 48 most active companies in this area. The fast-growing Guizhou Zhengye Engineering Technology Investment Co Ltd., Hunan University, Hohai University take 20.93% of patent filing during this period.
Guizhou Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
With the analysis among related 43 patents in last 5 years, we discover 45 new entrants. Guizhou Zhengye Engineering Technology Investment Co Ltd., Hunan University, China Railway Tunnel Bureau Group Co., Ltd. are the most active new entrants in this area.
Guizhou Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among 31 patents, we discovered top 15 universities and scientific research institutions by total patent application. Hohai University, Hunan University, Central South University are dominant in this area. They take 32.26% of the total patent filing.
Jiangsu Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1