With the analysis among 171 patents, we discovered top 86 key players by total patent application. Amsted Rail Co., Inc., General Electric Co., Railserve, Inc. are dominant in this area. They take 26.90% of the total patent filing.
Illinois, United States
Patent: 26
Massachusetts, United States
Patent: 16
Georgia, United States
Patent: 4
Tianjin Shi, China
Patent: 4
Hubei Sheng, China
Patent: 4
Xinjiang Uygur Zizhiqu, China
Patent: 4
The Nippon Signal Co., Ltd.
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With the analysis among related 119 patents applied in the last 5 years. We discover 80 most active companies in this area. The fast-growing Amsted Rail Co., Inc., Railserve, Inc., China Railway Liuyuan Group Co., Ltd. take 15.97% of patent filing during this period.
Illinois, United States
Patent: 12
Georgia, United States
Patent: 4
Tianjin Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Nanjing Southeast Zhujing Architectural Design Office Co., Ltd.
Jiangsu Sheng, China
Patent: 3
With the analysis among related 119 patents in last 5 years, we discover 72 new entrants. Railserve, Inc., Hangzhou Zhonglian Zhujing Architectural Design Co. Ltd., China Academy of Railway Sciences Group Co. Ltd. are the most active new entrants in this area.
Georgia, United States
Patent: 4
Zhejiang Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Nanjing Southeast Zhujing Architectural Design Office Co., Ltd.
Jiangsu Sheng, China
Patent: 3
The Nippon Signal Co., Ltd.
Sichuan Sheng, China
Patent: 3
Minnesota, United States
Patent: 2
With the analysis among 19 patents, we discovered top 9 universities and scientific research institutions by total patent application. Beijing Jiaotong University, Southwest Jiaotong University, Tongji University are dominant in this area. They take 36.84% of the total patent filing.
Beijing Shi, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Zhengzhou Railway Vocational & Technical College
Henan Sheng, China
Patent: 1