With the analysis among 2,202 patents, we discovered top 467 key players by total patent application. Denka Corp., Matsushita Electronics Corp., Toyota Motor Corp. are dominant in this area. They take 2.45% of the total patent filing.
New York, United States
Patent: 25
Osaka-fu, Japan
Patent: 15
Tokyo-to, Japan
Patent: 14
Massachusetts, United States
Patent: 12
Chiba-ken, Japan
Patent: 11
Jiangsu Sheng, China
Patent: 9
Jiangsu Sheng, China
Patent: 9
Anhui Sheng, China
Patent: 9
With the analysis among 3 patents, we discovered top 2 start-ups by total patent application.
With the analysis among related 1,162 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Harbin Institute of Technology, Tongji University, Southeast University take 2.15% of patent filing during this period.
Heilongjiang Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 7
Hunan Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 7
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
With the analysis among related 1,162 patents in last 5 years, we discover 413 new entrants. China Railway Jianzhu Group Co., Ltd., China Academy of Railway Sciences Group Co. Ltd., China Railway Sixth Group Co. Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Xinjiang Uygur Zizhiqu, China
Patent: 6
Shanghai Shi, China
Patent: 5
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Patent: 5
Guizhou Sheng, China
Patent: 5
Liaoning Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Heilongjiang Sheng, China
Patent: 5
With the analysis among 652 patents, we discovered top 192 universities and scientific research institutions by total patent application. Tongji University, Chang'an University, South China University of Technology are dominant in this area. They take 8.28% of the total patent filing.
Shanghai Shi, China
Patent: 19
Shaanxi Sheng, China
Patent: 19
Guangdong Sheng, China
Patent: 16
Heilongjiang Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 13
Zhejiang Sheng, China
Patent: 12
Beijing Shi, China
Patent: 10
Hunan Sheng, China
Patent: 9
Hubei Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 8