With the analysis among 144 patents, we discovered top 89 key players by total patent application. Powerchina Chengdu Engineering Corp. Ltd., China Railway Fifth Survey & Design Institute Group Co. Ltd., Kyocera Corp. are dominant in this area. They take 16.67% of the total patent filing.
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 11
China Railway Fifth Survey & Design Institute Group Co. Ltd.
Beijing Shi, China
Patent: 9
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 4
Guizhou Electric Power Design & Research Institute
Guizhou Sheng, China
Patent: 3
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 3
Beijing High-speed Railway Construction Technology Development Co., Ltd.
Beijing Shi, China
Patent: 3
Shandong Biteli Foundation Engineering Technology Co., Ltd.
Shandong Sheng, China
Patent: 3
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With the analysis among related 67 patents applied in the last 5 years. We discover 61 most active companies in this area. The fast-growing China Academy of Railway Sciences Group Co. Ltd., Powerchina Chengdu Engineering Corp. Ltd., Shandong Biteli Foundation Engineering Technology Co., Ltd. take 13.43% of patent filing during this period.
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 3
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 3
Shandong Biteli Foundation Engineering Technology Co., Ltd.
Shandong Sheng, China
Patent: 3
Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 2
Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences
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Patent: 2
Beijing Tieke Special Engineering Technology Co., Ltd.
Beijing Shi, China
Patent: 2
Huaneng Lancang River Hydropower Inc.
Yunnan Sheng, China
Patent: 2
The Yokohama Rubber Co., Ltd.
Powerchina Zhongnan Engineering Corp. Ltd.
Hunan Sheng, China
Patent: 2
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 2
With the analysis among related 67 patents in last 5 years, we discover 43 new entrants. Shandong Biteli Foundation Engineering Technology Co., Ltd., Beijing Tieke Special Engineering Technology Co., Ltd., Huaneng Lancang River Hydropower Inc. are the most active new entrants in this area.
Shandong Biteli Foundation Engineering Technology Co., Ltd.
Shandong Sheng, China
Patent: 3
Beijing Tieke Special Engineering Technology Co., Ltd.
Beijing Shi, China
Patent: 2
Huaneng Lancang River Hydropower Inc.
Yunnan Sheng, China
Patent: 2
The Yokohama Rubber Co., Ltd.
Powerchina Zhongnan Engineering Corp. Ltd.
Hunan Sheng, China
Patent: 2
Gansu Province Transportation Planning Survey & Design Inst
Gansu Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 1
Dongguan University of Technology
Guangdong Sheng, China
Patent: 1
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 1
Guangxi Road & Bridge Engineering Corp.
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
With the analysis among 83 patents, we discovered top 30 universities and scientific research institutions by total patent application. Sichuan University, Zhejiang University, Shandong University of Science & Technology are dominant in this area. They take 12.05% of the total patent filing.
Sichuan Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 3
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Chengdu University of Technology
Sichuan Sheng, China
Patent: 2
Chongqing Jiaotong University
Chongqing Shi, China
Patent: 2
Xi'an University of Technology
Shaanxi Sheng, China
Patent: 2
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 2