With the analysis among 253 patents, we discovered top 131 key players by total patent application. NIPPON STEEL CORP., Franz Plasser Bahnbaumaschinen Industriegesellschaft mbH, Loram Maintenance of Way, Inc. are dominant in this area. They take 11.07% of the total patent filing.
Tokyo-to, Japan
Patent: 10
Minnesota, United States
Patent: 8
Shaanxi Sheng, China
Patent: 8
Beijing Shi, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 5
Texas, United States
Patent: 5
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With the analysis among related 89 patents applied in the last 5 years. We discover 63 most active companies in this area. The fast-growing Pangang Group Research Institute Co., Ltd., Sichuan Yaocheng Nondestructive Testing Technology Co., Ltd., Whitmore Manufacturing LLC take 14.61% of patent filing during this period.
Sichuan Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Texas, United States
Patent: 4
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
With the analysis among related 89 patents in last 5 years, we discover 45 new entrants. Pangang Group Research Institute Co., Ltd., Geismar Alpes SAS, East China Jiaotong University are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 5
Jiangxi Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 1
Hebei Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
California, United States
Patent: 1
Beijing Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
With the analysis among 35 patents, we discovered top 13 universities and scientific research institutions by total patent application. Railway Technical Research Institute, East China Jiaotong University, University of Science & Technology Liaoning are dominant in this area. They take 40.00% of the total patent filing.
Jiangxi Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Alabama, United States
Patent: 1
Guangdong Sheng, China
Patent: 1
Hebei Sheng, China
Patent: 1