With the analysis among 341 patents, we discovered top 103 key players by total patent application. Hitachi Ltd., Mazda Motor Corp., TOSHIBA Corp. are dominant in this area. They take 41.35% of the total patent filing.
Tokyo-to, Japan
Patent: 70
Kanagawa-ken, Japan
Patent: 56
Tokyo-to, Japan
Patent: 15
Tokyo-to, Japan
Patent: 13
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 12
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With the analysis among related 30 patents applied in the last 5 years. We discover 17 most active companies in this area. The fast-growing Hitachi Ltd., Palo Alto Research Center LLC, Meidensha Corp. take 50.00% of patent filing during this period.
Tokyo-to, Japan
Patent: 12
Palo Alto Research Center LLC
California, United States
Patent: 2
Kobelco Construction Machinery Co. Ltd.
Tohoku Electric Power Co., Inc.
Aichi-ken, Japan
Patent: 1
Mitsubishi Electric Corp.
Washington, United States
Patent: 1
Tokyu Construction Co., Ltd.
Kanagawa-ken, Japan
Patent: 1
Ohio, United States
Patent: 1
With the analysis among related 30 patents in last 5 years, we discover 9 new entrants. Northwest University, Tokyu Construction Co., Ltd., Pasco, Inc. are the most active new entrants in this area.
Washington, United States
Patent: 1
Tokyu Construction Co., Ltd.
Kanagawa-ken, Japan
Patent: 1
Ohio, United States
Patent: 1
Kobelco Construction Machinery Co. Ltd.
Kurita Water Industries Ltd.
Rheinland-Pfalz, Germany
Patent: 1
Aichi-ken, Japan
Patent: 1
Fukuoka-ken, Japan
Patent: 1
With the analysis among 15 patents, we discovered top 9 universities and scientific research institutions by total patent application. Waseda University, Hokkaido University, Railway Technical Research Institute are dominant in this area. They take 33.33% of the total patent filing.
Railway Technical Research Institute
Washington, United States
Patent: 1
Hubei Sheng, China
Patent: 1
Nordrhein-Westfalen, Germany
Patent: 1
Aichi-ken, Japan
Patent: 1
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 1
Tokyo Institute of Technology