With the analysis among 814 patents, we discovered top 414 key players by total patent application. TAISEI Corp., Kajima Corp., Shell Internationale Research Maatschappij BV are dominant in this area. They take 5.65% of the total patent filing.
Tokyo-to, Japan
Patent: 17
Jiangsu Sheng, China
Patent: 16
Zuid-Holland, Netherlands
Patent: 13
Aichi-ken, Japan
Patent: 12
Shanghai Shi, China
Patent: 12
Tokyo-to, Japan
Patent: 11
Flevoland, Netherlands
Patent: 10
Zuid-Holland, Netherlands
Patent: 8
With the analysis among 2 patents, we discovered top 2 start-ups by total patent application.
California, United States
Patent: 1
Emilia-Romagna, Italy
Patent: 1
With the analysis among related 290 patents applied in the last 5 years. We discover 172 most active companies in this area. The fast-growing Southwest Jiaotong University, Qingdao University of Technology, Tsinghua University take 13.45% of patent filing during this period.
Sichuan Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 14
Beijing Shi, China
Patent: 10
Beijing Shi, China
Patent: 10
Heilongjiang Sheng, China
Patent: 8
undefined undefined
Patent: 5
Sichuan Sheng, China
Patent: 5
Fujian Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Oregon, United States
Patent: 4
With the analysis among related 290 patents in last 5 years, we discover 134 new entrants. Tsinghua University, Sichuan University, Fuzhou University are the most active new entrants in this area.
Beijing Shi, China
Patent: 10
Sichuan Sheng, China
Patent: 5
Fujian Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Oregon, United States
Patent: 4
Jiangsu Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Shanxi Sheng, China
Patent: 3
Aichi-ken, Japan
Patent: 3
Uttarakhand, India
Patent: 2
With the analysis among 382 patents, we discovered top 108 universities and scientific research institutions by total patent application. Qingdao University of Technology, Southwest Jiaotong University, Railway Technical Research Institute are dominant in this area. They take 12.57% of the total patent filing.
Shandong Sheng, China
Patent: 17
Sichuan Sheng, China
Patent: 16
Heilongjiang Sheng, China
Patent: 12
Shaanxi Sheng, China
Patent: 11
Beijing Shi, China
Patent: 10
Beijing Shi, China
Patent: 7
Shaanxi Sheng, China
Patent: 7
Aberdeen City, United Kingdom
Patent: 5
Sichuan Sheng, China
Patent: 5