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.
China Railway Fangshan Bridge Co. Ltd. Beijing
Beijing Shi, China
Patent: 2
Wu Xi Hong Guang Wei Dian Zi You Xian Gong Si
Jiangsu Sheng, China
Patent: 2
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 2
HD Hyundai Heavy Industries Co., Ltd.
Guangdong Sheng, China
Patent: 2
Manchebis High-Tech Co., Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
China Railway Economic Planning and Research Institute Co., Ltd.
Beijing Shi, China
Patent: 2
China Railway Fourth Institute Group Engineering Construction Co., Ltd.
Hubei Sheng, China
Patent: 2
Zhangcun Coal Mine of Shanxi Lu'an Environmental Protection Energy Development Co., Ltd.
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.
Zhangcun Coal Mine of Shanxi Lu'an Environmental Protection Energy Development Co., Ltd.
Shanxi Sheng, China
Patent: 2
Suichuan Hechuang Metal New Material Co., Ltd.
Jiangxi Sheng, China
Patent: 1
Guangdong Liangliang Construction Engineering Co., Ltd.
Guangdong Sheng, China
Patent: 1
Jiangsu Haixun Railway Equipment Group Co. Ltd.
Jiangsu Sheng, China
Patent: 1
Shanghai University of Engineering Science
Shanghai Shi, China
Patent: 1
Jiangxi Jindu Insurance Equipment Group Co., Ltd.
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.
Zhangcun Coal Mine of Shanxi Lu'an Environmental Protection Energy Development Co., Ltd.
Shanxi Sheng, China
Patent: 2
Suichuan Hechuang Metal New Material Co., Ltd.
Jiangxi Sheng, China
Patent: 1
Guangdong Liangliang Construction Engineering Co., Ltd.
Guangdong Sheng, China
Patent: 1
Jiangsu Haixun Railway Equipment Group Co. Ltd.
Jiangsu Sheng, China
Patent: 1
Shanghai University of Engineering Science
Shanghai Shi, China
Patent: 1
Jiangxi Jindu Insurance Equipment Group Co., Ltd.
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 University of Engineering Science
Shanghai Shi, China
Patent: 1
China Three Gorges University
Hubei Sheng, China
Patent: 1
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 1
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 1
North China Institute of Aerospace Engineering
Hebei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1