With the analysis among 3,965 patents, we discovered top 469 key players by total patent application. Shimizu Corp., Takenaka Corp., TAISEI Corp. are dominant in this area. They take 19.52% of the total patent filing.
Tokyo-to, Japan
Patent: 297
Shanghai Shi, China
Patent: 259
Tokyo-to, Japan
Patent: 218
Jiangsu Sheng, China
Patent: 181
Tokyo-to, Japan
Patent: 164
Kanagawa-ken, Japan
Patent: 153
Jiangsu Sheng, China
Patent: 116
Osaka-fu, Japan
Patent: 72
Tokyo-to, Japan
Patent: 72
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 64
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 277 patents applied in the last 5 years. We discover 99 most active companies in this area. The fast-growing Shimizu Corp., Takenaka Corp., Nippon Railway Corporation take 21.66% of patent filing during this period.
Tokyo-to, Japan
Patent: 25
Shanghai Shi, China
Patent: 25
Nippon Railway Corporation
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Patent: 10
Heilongjiang Sheng, China
Patent: 9
Kanagawa-ken, Japan
Patent: 9
With the analysis among related 277 patents in last 5 years, we discover 53 new entrants. Ocado Innovation Ltd., Osaka University, Southwest Jiaotong University are the most active new entrants in this area.
HERTFORD COUNTY, United Kingdom
Patent: 4
Sichuan Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 2
Jiangsu Runqi Reinforcement Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Liaoning Sheng, China
Patent: 1
With the analysis among 179 patents, we discovered top 42 universities and scientific research institutions by total patent application. Railway Technical Research Institute, Harbin Engineering University, Nihon University are dominant in this area. They take 17.88% of the total patent filing.
Heilongjiang Sheng, China
Patent: 10
Beijing Shi, China
Patent: 8
Saitama-ken, Japan
Patent: 6
Tokyo Institute of Technology
Shanghai Shi, China
Patent: 4
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Patent: 4