With the analysis among 2,854 patents, we discovered top 469 key players by total patent application. Robert Bosch GmbH, Toyota Motor Corp., Komatsu Ltd. are dominant in this area. They take 4.20% of the total patent filing.
Baden-Württemberg, Germany
Patent: 62
Tokyo-to, Japan
Patent: 32
Chiba-ken, Japan
Patent: 26
Tokyo-to, Japan
Patent: 20
Baden-Württemberg, Germany
Patent: 19
Bayern, Germany
Patent: 15
Niedersachsen, Germany
Patent: 14
With the analysis among 2 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 437 patents applied in the last 5 years. We discover 353 most active companies in this area. The fast-growing China Railway Engineering Equipment Group Co., Ltd., Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd., China Academy of Railway Sciences Group Co. Ltd. take 4.58% of patent filing during this period.
Henan Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Yamanashi-ken, Japan
Patent: 6
Beijing Shi, China
Patent: 5
Fujian Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among related 437 patents in last 5 years, we discover 244 new entrants. Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd., China Academy of Railway Sciences Group Co. Ltd., Road & Bridge South China Engineering Co. Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Guangdong Sheng, China
Patent: 3
Shanxi Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
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Patent: 3
Henan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
With the analysis among 573 patents, we discovered top 135 universities and scientific research institutions by total patent application. Shandong University, Tongji University, Hohai University are dominant in this area. They take 10.99% of the total patent filing.
Shandong Sheng, China
Patent: 23
Shanghai Shi, China
Patent: 20
Jiangsu Sheng, China
Patent: 20
Jilin Sheng, China
Patent: 19
Zhejiang Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 13
Anhui Sheng, China
Patent: 11
Hunan Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 9