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.
Sichuan Sheng, China
Patent: 11
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 4
Guizhou Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Beijing High-speed Railway Construction Technology Development Co., Ltd.
Beijing Shi, China
Patent: 3
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.
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
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Patent: 2
Beijing Shi, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
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 Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
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 Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2