With the analysis among 758 patents, we discovered top 280 key players by total patent application. Terre Armée Internationale SAS, Daewoo Electronics Co. Ltd., Ingersoll-Rand Co. are dominant in this area. They take 10.29% of the total patent filing.
North Carolina, United States
Patent: 18
Tokyo-to, Japan
Patent: 12
Texas, United States
Patent: 11
Emilia-Romagna, Italy
Patent: 10
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With the analysis among related 55 patents applied in the last 5 years. We discover 28 most active companies in this area. The fast-growing Toyota Motor Corp., Yazaki Corp., China Railway Eryuan Engineering Group Co., Ltd. take 12.73% of patent filing during this period.
Sichuan Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Gyeonggi-do, South Korea
Patent: 1
Shandong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among related 55 patents in last 5 years, we discover 19 new entrants. Zhejiang University, Korea Electric Power Corp., China Railway Eryuan Engineering Group Co., Ltd. are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Gyeonggi-do, South Korea
Patent: 1
Jiangsu Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
Gyeongsangbuk-do, South Korea
Patent: 1
With the analysis among 57 patents, we discovered top 20 universities and scientific research institutions by total patent application. Railway Technical Research Institute, Hubei University of Technology, Shandong University are dominant in this area. They take 19.30% of the total patent filing.
Hubei Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1