With the analysis among 31 patents, we discovered top 31 key players by total patent application. China Railway Siyuan Survey & Design Group Co., Ltd., Qingdao Guoxin Construction Investment Co., Ltd., TAISEI Corp. are dominant in this area. They take 35.48% of the total patent filing.
Hubei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
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With the analysis among related 33 patents applied in the last 5 years. We discover 30 most active companies in this area. The fast-growing China Railway Siyuan Survey & Design Group Co., Ltd., Shandong University, Qingdao Guoxin Construction Investment Co., Ltd. take 36.36% of patent filing during this period.
Hubei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
With the analysis among related 33 patents in last 5 years, we discover 28 new entrants. China Railway Siyuan Survey & Design Group Co., Ltd., Shandong University, Qingdao Guoxin Construction Investment Co., Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Hubei Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
With the analysis among 16 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Sichuan Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3