With the analysis among 151 patents, we discovered top 138 key players by total patent application. CCCC Tunnel Engineering Co., Ltd., CCCC First Harbor Engineering Co., Ltd., Southwest Communications Construction Group Co. Ltd. are dominant in this area. They take 6.62% of the total patent filing.
Beijing Shi, China
Patent: 4
Tianjin Shi, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Hebei Sheng, China
Patent: 3
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With the analysis among related 176 patents applied in the last 5 years. We discover 155 most active companies in this area. The fast-growing Fuzhou University, CCCC Tunnel Engineering Co., Ltd., China Communications First Public Bureau Group Co., Ltd. take 6.82% of patent filing during this period.
Fujian Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
With the analysis among related 176 patents in last 5 years, we discover 153 new entrants. Fuzhou University, CCCC Tunnel Engineering Co., Ltd., China Communications First Public Bureau Group Co., Ltd. are the most active new entrants in this area.
Fujian Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
With the analysis among 30 patents, we discovered top 16 universities and scientific research institutions by total patent application. Fuzhou University, Tsinghua University, Southeast University are dominant in this area. They take 36.67% of the total patent filing.
Fujian Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Heilongjiang Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1