With the analysis among 13 patents, we discovered top 9 key players by total patent application. Jiangsu Posts & Telecommunications Planning & Designing Instit, China Railway 9th Bureau Group Fourth Engineering Co., Ltd., China Railway Ninth Bureau Group Co., Ltd. are dominant in this area. They take 61.54% of the total patent filing.
Jiangsu Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Guizhou Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
Hebei Sheng, China
Patent: 1
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With the analysis among related 24 patents applied in the last 5 years. We discover 20 most active companies in this area. The fast-growing China Railway 9th Bureau Group Fourth Engineering Co., Ltd., Harbin Institute of Technology, China Railway Ninth Bureau Group Co., Ltd. take 29.17% of patent filing during this period.
Liaoning Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 1
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Patent: 1
Jiangxi Sheng, China
Patent: 1
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Patent: 1
Liaoning Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Yunnan Sheng, China
Patent: 1
With the analysis among related 24 patents in last 5 years, we discover 18 new entrants. China Railway 9th Bureau Group Fourth Engineering Co., Ltd., Harbin Institute of Technology, China Railway Ninth Bureau Group Co., Ltd. are the most active new entrants in this area.
Liaoning Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 1
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Patent: 1
Jiangxi Sheng, China
Patent: 1
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Patent: 1
Chongqing Shi, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
With the analysis among 28 patents, we discovered top 15 universities and scientific research institutions by total patent application. Korea Advanced Institute of Science & Technology, Shenyang Polytechnic University, Harbin Institute of Technology are dominant in this area. They take 39.29% of the total patent filing.
Liaoning Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1