With the analysis among 368 patents, we discovered top 140 key players by total patent application. Plasser & Theurer Export Von Bahnbaumaschinen GmbH, China Academy of Railway Sciences Group Co. Ltd., China Railway First Survey & Design Institute Group Co., Ltd. are dominant in this area. They take 20.92% of the total patent filing.
Beijing Shi, China
Patent: 28
Shaanxi Sheng, China
Patent: 21
Beijing Shi, China
Patent: 20
Beijing Shi, China
Patent: 20
BERKSHIRE, United Kingdom
Patent: 14
Beijing Shi, China
Patent: 12
Minnesota, United States
Patent: 9
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With the analysis among related 186 patents applied in the last 5 years. We discover 85 most active companies in this area. The fast-growing China Academy of Railway Sciences Group Co. Ltd., Infrastructure Testing Institute of China Academy of Railway Sciences Group Co., Ltd., Beijing Imap Technology Co. Ltd. take 29.57% of patent filing during this period.
Beijing Shi, China
Patent: 23
Beijing Shi, China
Patent: 16
Beijing Shi, China
Patent: 16
BERKSHIRE, United Kingdom
Patent: 14
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 8
Hubei Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 5
With the analysis among related 186 patents in last 5 years, we discover 61 new entrants. Thales Holdings UK Plc, Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd., FNV IP BV are the most active new entrants in this area.
BERKSHIRE, United Kingdom
Patent: 14
Beijing Shi, China
Patent: 9
Hubei Sheng, China
Patent: 5
Shanxi Sheng, China
Patent: 4
Henan Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
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Patent: 3
With the analysis among 89 patents, we discovered top 18 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Jinan University, Beijing Jiaotong University are dominant in this area. They take 76.40% of the total patent filing.
Sichuan Sheng, China
Patent: 13
Guangdong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Hunan Sheng, China
Patent: 3
Hebei Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Heilongjiang Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1