With the analysis among 14,404 patents, we discovered top 467 key players by total patent application. Franz Plasser Bahnbaumaschinen Industriegesellschaft mbH, Sandvik Intellectual Property AB, Ohbayashi Corp. are dominant in this area. They take 1.77% of the total patent filing.
Franz Plasser Bahnbaumaschinen Industriegesellschaft mbH
Sandvik Intellectual Property AB
Jiangsu Sheng, China
Patent: 68
Jiangsu Sheng, China
Patent: 67
Tokyo-to, Japan
Patent: 63
Hangzhou Shaungjin Machinery Parts Co. Ltd.
Zhejiang Sheng, China
Patent: 49
Tokyo-to, Japan
Patent: 46
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 42
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 41
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 38
With the analysis among 7 patents, we discovered top 7 start-ups by total patent application. Sakae Co. Ltd., Asteer Co., Ltd., Benewake (Beijing) Co. Ltd. are active in this area.
Benewake (Beijing) Co. Ltd.
Beijing Shi, China
Patent: 1
Institut National de la Santé et de la Recherche Médicale
California, United States
Patent: 1
California, United States
Patent: 1
With the analysis among related 10,090 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Chang'an University, Xinjiang Xijian Qingsong Construction Co., Ltd. take 0.96% of patent filing during this period.
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 35
Shaanxi Sheng, China
Patent: 32
Xinjiang Xijian Qingsong Construction Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 30
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 28
Jiangsu Sheng, China
Patent: 25
Jiangsu Sheng, China
Patent: 25
China Road & Bridge Engineering Co. Ltd.
Beijing Shi, China
Patent: 25
China Hydropower Infrastructure Co., Ltd.
Tianjin Shi, China
Patent: 25
Zaozhuang Xinjinshan Intelligent Equipment Co., Ltd.
Shandong Sheng, China
Patent: 25
China Construction Second Engineering Bureau Co., Ltd.
Beijing Shi, China
Patent: 23
With the analysis among related 10,090 patents in last 5 years, we discover 268 new entrants. Xinjiang Xijian Qingsong Construction Co., Ltd., Zaozhuang Xinjinshan Intelligent Equipment Co., Ltd., Anhui Transport Consulting &Design Institute Co.,Ltd. are the most active new entrants in this area.
Xinjiang Xijian Qingsong Construction Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 30
Zaozhuang Xinjinshan Intelligent Equipment Co., Ltd.
Shandong Sheng, China
Patent: 25
Anhui Transport Consulting &Design Institute Co.,Ltd.
Anhui Sheng, China
Patent: 17
Hebei University of Technology
Hebei Sheng, China
Patent: 14
Hubei Jianju Municipal Construction Co., Ltd.
Hubei Sheng, China
Patent: 13
Sichuan Huaneng Luding Hydropower Co., Ltd.
Sichuan Sheng, China
Patent: 12
Powerchina Kunming Engineering Corp. Ltd.
Yunnan Sheng, China
Patent: 12
China Harbour Engineering Co., Ltd.
Beijing Shi, China
Patent: 12
Sinohydro Bureau 9 Co., Ltd.
Guizhou Sheng, China
Patent: 11
China Construction Eighth Bureau Second Construction Co., Ltd.
Shandong Sheng, China
Patent: 11
With the analysis among 2,551 patents, we discovered top 221 universities and scientific research institutions by total patent application. Chang'an University, Hohai University, Southeast University are dominant in this area. They take 6.94% of the total patent filing.
Shaanxi Sheng, China
Patent: 66
Jiangsu Sheng, China
Patent: 57
Jiangsu Sheng, China
Patent: 54
Shandong Sheng, China
Patent: 47
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 34
Railway Technical Research Institute
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 27
Xi'an University of Architecture & Technology
Shaanxi Sheng, China
Patent: 27
Shanghai Shi, China
Patent: 26
Wuhan University of Technology
Hubei Sheng, China
Patent: 26