With the analysis among 314 patents, we discovered top 160 key players by total patent application. Alstom Transport Technologies SAS, National Steel Car Ltd., Zhuzhou Times New Materials Technology Co., Ltd. are dominant in this area. They take 13.06% of the total patent filing.
Ontario, Canada
Patent: 13
Hunan Sheng, China
Patent: 11
Connecticut, United States
Patent: 10
Ford Global Technologies LLC
Michigan, United States
Patent: 6
California, United States
Patent: 5
Hunan Sheng, China
Patent: 5
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With the analysis among related 71 patents applied in the last 5 years. We discover 62 most active companies in this area. The fast-growing Zhuzhou Times Ruiwei Vibration Reduction Equipment Co., Ltd., Zhuzhou Times New Materials Technology Co., Ltd., China Petroleum Pipeline Bureau Engineering Corp. take 15.49% of patent filing during this period.
Hunan Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Hebei Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shanghai Shi, China
Patent: 2
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Patent: 2
Hebei Sheng, China
Patent: 2
With the analysis among related 71 patents in last 5 years, we discover 41 new entrants. China Petroleum Pipeline Bureau Engineering Corp., China National Petroleum Corp., China Petroleum & Natural Gas Pipeline Engineering Corp. are the most active new entrants in this area.
Hebei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Hebei Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
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Patent: 2
Hebei Sheng, China
Patent: 1
Hebei Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 70 patents, we discovered top 25 universities and scientific research institutions by total patent application. Southeast University, Tongji University, Tianjin University are dominant in this area. They take 27.14% of the total patent filing.
Jiangsu Sheng, China
Patent: 11
Shanghai Shi, China
Patent: 4
Tianjin Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Jilin Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Liaoning Sheng, China
Patent: 2