With the analysis among 39 patents, we discovered top 30 key players by total patent application. China Railway Fangshan Bridge Co. Ltd. Beijing, Wu Xi Hong Guang Wei Dian Zi You Xian Gong Si, China Railway First Survey & Design Institute Group Co., Ltd. are dominant in this area. They take 15.38% of the total patent filing.
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Seoul, South Korea
Patent: 1
California, United States
Patent: 1
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With the analysis among related 9 patents applied in the last 5 years. We discover 6 most active companies in this area. The fast-growing Zhangcun Coal Mine of Shanxi Lu'an Environmental Protection Energy Development Co., Ltd., Suichuan Hechuang Metal New Material Co., Ltd., Guangdong Liangliang Construction Engineering Co., Ltd. take 44.44% of patent filing during this period.
Shanxi Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
With the analysis among related 9 patents in last 5 years, we discover 6 new entrants. Zhangcun Coal Mine of Shanxi Lu'an Environmental Protection Energy Development Co., Ltd., Suichuan Hechuang Metal New Material Co., Ltd., Guangdong Liangliang Construction Engineering Co., Ltd. are the most active new entrants in this area.
Shanxi Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
With the analysis among 9 patents, we discovered top 6 universities and scientific research institutions by total patent application. Shanghai University of Engineering Science, China Three Gorges University, Southwest Jiaotong University are dominant in this area. They take 33.33% of the total patent filing.
Shanghai Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Hebei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1