With the analysis among 513 patents, we discovered top 215 key players by total patent application. NIPPON STEEL CORP., Changchun Railway Vehicles Co., Ltd., NTN Corp. are dominant in this area. They take 12.67% of the total patent filing.
Tokyo-to, Japan
Patent: 24
Jilin Sheng, China
Patent: 24
Osaka-fu, Japan
Patent: 17
Shandong Sheng, China
Patent: 17
Tokyo-to, Japan
Patent: 14
Tokyo-to, Japan
Patent: 12
Shandong Sheng, China
Patent: 11
Tokyo-to, Japan
Patent: 10
Shanghai Shi, China
Patent: 9
Kanagawa-ken, Japan
Patent: 7
With the analysis among 5 patents, we discovered top 2 start-ups by total patent application.
Colorado, United States
Patent: 4
Shanghai Shi, China
Patent: 1
With the analysis among related 90 patents applied in the last 5 years. We discover 65 most active companies in this area. The fast-growing China Aircraft Strength Research Institute, CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd., Changchun Railway Vehicles Co., Ltd. take 21.11% of patent filing during this period.
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Patent: 7
Shandong Sheng, China
Patent: 6
Jilin Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 5
Schaffhausen, Switzerland
Patent: 4
Chongqing Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Jiangxi Sheng, China
Patent: 2
With the analysis among related 90 patents in last 5 years, we discover 44 new entrants. Georg Fischer Eisenguss GmbH, Georg Fischer AG, Georg Fischer Automotive Kunshan Co. Ltd. are the most active new entrants in this area.
Schaffhausen, Switzerland
Patent: 4
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
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Patent: 1
Jilin Sheng, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among 128 patents, we discovered top 31 universities and scientific research institutions by total patent application. University of Shanghai for Science & Technology, Tohoku University, Beihang University are dominant in this area. They take 29.69% of the total patent filing.
Shanghai Shi, China
Patent: 12
Miyagi-ken, Japan
Patent: 7
Beijing Shi, China
Patent: 5
Shaanxi Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Heilongjiang Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2