With the analysis among 5,538 patents, we discovered top 480 key players by total patent application. China Communications First Public Bureau Group Co., Ltd., China Metallurgical Southern Urban Construction Engineering Technology Co., Ltd., WISDRI Engineering & Research Inc. Ltd. are dominant in this area. They take 1.77% of the total patent filing.
Beijing Shi, China
Patent: 38
Hubei Sheng, China
Patent: 30
Hubei Sheng, China
Patent: 28
Shanxi Sheng, China
Patent: 26
Beijing Shi, China
Patent: 21
Beijing Shi, China
Patent: 20
Jiangsu Sheng, China
Patent: 18
Shanghai Shi, China
Patent: 18
Shandong Sheng, China
Patent: 18
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With the analysis among related 4,964 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Chang'an University, Research Institute of Highway Ministry of Transport, Southeast University take 2.64% of patent filing during this period.
Shaanxi Sheng, China
Patent: 51
Jiangsu Sheng, China
Patent: 39
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Patent: 36
Beijing Shi, China
Patent: 34
Shanghai Shi, China
Patent: 32
Hubei Sheng, China
Patent: 28
Hubei Sheng, China
Patent: 27
Hunan Sheng, China
Patent: 23
Beijing Shi, China
Patent: 21
With the analysis among related 4,964 patents in last 5 years, we discover 392 new entrants. Powerchina Road Bridge Group Co., Ltd., China Road & Bridge Engineering Co. Ltd., Jiangsu Dongjiao Intelligent Control Technology Group Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 21
Beijing Shi, China
Patent: 20
Jiangsu Sheng, China
Patent: 15
Beijing Shi, China
Patent: 14
Fujian Sheng, China
Patent: 13
Heilongjiang Sheng, China
Patent: 13
Beijing Shi, China
Patent: 12
Zhejiang Sheng, China
Patent: 12
Guangdong Sheng, China
Patent: 11
Shandong Sheng, China
Patent: 11
With the analysis among 984 patents, we discovered top 166 universities and scientific research institutions by total patent application. Chang'an University, Southeast University, Tongji University are dominant in this area. They take 18.19% of the total patent filing.
Shaanxi Sheng, China
Patent: 83
Jiangsu Sheng, China
Patent: 49
Shanghai Shi, China
Patent: 36
Hunan Sheng, China
Patent: 35
Hubei Sheng, China
Patent: 22
Jiangsu Sheng, China
Patent: 15
Chongqing Shi, China
Patent: 13
Fujian Sheng, China
Patent: 13
Shandong Sheng, China
Patent: 12
Hebei Sheng, China
Patent: 11