With the analysis among 1,562 patents, we discovered top 485 key players by total patent application. Daimler AG & Co. Anlagenverwaltung OHG, Qiqihar Railway Rolling Stock Co. Ltd., Sigma Tek, Inc. are dominant in this area. They take 3.20% of the total patent filing.
Brandenburg, Germany
Patent: 20
Heilongjiang Sheng, China
Patent: 16
Kansas, United States
Patent: 14
Baden-Württemberg, Germany
Patent: 10
Ontario, Canada
Patent: 10
Fujian Sheng, China
Patent: 10
With the analysis among 4 patents, we discovered top 3 start-ups by total patent application.
Illinois, United States
Patent: 2
Colorado, United States
Patent: 1
Hubei Sheng, China
Patent: 1
With the analysis among related 346 patents applied in the last 5 years. We discover 262 most active companies in this area. The fast-growing Trinity Rail Group LLC, DOKA GmbH, Southwest Jiaotong University take 4.62% of patent filing during this period.
Texas, United States
Patent: 6
Sichuan Sheng, China
Patent: 5
Indiana, United States
Patent: 4
Liaoning Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shanghai Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among related 346 patents in last 5 years, we discover 233 new entrants. Trinity Rail Group LLC, DOKA GmbH, Southwest Jiaotong University are the most active new entrants in this area.
Texas, United States
Patent: 6
Sichuan Sheng, China
Patent: 5
Indiana, United States
Patent: 4
Liaoning Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shanghai Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 2
With the analysis among 114 patents, we discovered top 39 universities and scientific research institutions by total patent application. Tongji University, Southwest Jiaotong University, Zhejiang University are dominant in this area. They take 13.16% of the total patent filing.
Shanghai Shi, China
Patent: 6
Sichuan Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Liaoning Sheng, China
Patent: 3
Hebei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Heilongjiang Sheng, China
Patent: 2