With the analysis among 134 patents, we discovered top 86 key players by total patent application. Chicago Bridge & Iron Co., State Grid Corp. of China, Beijing China Railway Technology Co., Ltd. are dominant in this area. They take 20.90% of the total patent filing.
Illinois, United States
Patent: 12
Beijing Shi, China
Patent: 11
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Hunan Sheng, China
Patent: 5
Cambridgeshire, United Kingdom
Patent: 5
Shaanxi Sheng, China
Patent: 4
Nordrhein-Westfalen, Germany
Patent: 4
Beijing Shi, China
Patent: 3
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With the analysis among related 49 patents applied in the last 5 years. We discover 39 most active companies in this area. The fast-growing Institute of Metals and Chemistry of China Academy of Railway Sciences Group Co., Ltd., Beijing China Railway Technology Co., Ltd., Rundian Energy Science & Technology Co. Ltd. take 26.53% of patent filing during this period.
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Henan Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
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Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among related 49 patents in last 5 years, we discover 36 new entrants. Institute of Metals and Chemistry of China Academy of Railway Sciences Group Co., Ltd., Beijing China Railway Technology Co., Ltd., Rundian Energy Science & Technology Co. Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Henan Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
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Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among 28 patents, we discovered top 7 universities and scientific research institutions by total patent application. Institute of Metal Research Chinese Academy of Sciences, Xi'an Jiaotong University, Beihang University are dominant in this area. They take 46.43% of the total patent filing.
Liaoning Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1