With the analysis among 176 patents, we discovered top 67 key players by total patent application. East Japan Railway Co., Kajima Corp., Shimizu Corp. are dominant in this area. They take 8.52% of the total patent filing.
Jiangsu Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 4
Aichi-ken, Japan
Patent: 3
Nagano-ken, Japan
Patent: 3
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With the analysis among related 75 patents applied in the last 5 years. We discover 15 most active companies in this area. The fast-growing Jung Dong Engineering & Construction Co., Ltd., University Industry Cooperation Group, K-Eng Co., Ltd. take 9.33% of patent filing during this period.
University Industry Cooperation Group
Gyeongsangbuk-do, South Korea
Patent: 2
Gyeonggi-do, South Korea
Patent: 1
Gyeongsangbuk-do, South Korea
Patent: 1
With the analysis among related 75 patents in last 5 years, we discover 9 new entrants. Jung Dong Engineering & Construction Co., Ltd., K-Eng Co., Ltd., University Industry Cooperation Group are the most active new entrants in this area.
University Industry Cooperation Group
Ilshin Construction Co., Ltd.
Beijing Shi, China
Patent: 1
Gyeongsangbuk-do, South Korea
Patent: 1
With the analysis among 56 patents, we discovered top 8 universities and scientific research institutions by total patent application. Railway Technical Research Institute, South China University of Technology, Beijing University of Technology are dominant in this area. They take 32.14% of the total patent filing.
Guangdong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 1
Nagano-ken, Japan
Patent: 1
Zhejiang Sheng, China
Patent: 1
Aichi-ken, Japan
Patent: 1
Fujian Sheng, China
Patent: 1