With the analysis among 28 patents, we discovered top 23 key players by total patent application. Ohbayashi Corp., Jinan Rail Transit Group Co. Ltd., China Railway Tenth Bureau Group First Engineering Co Ltd. are dominant in this area. They take 21.43% of the total patent filing.
Jiangsu Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Railway Design Institute (Shandong) Engineering Technology Co., Ltd
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
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With the analysis among related 22 patents applied in the last 5 years. We discover 17 most active companies in this area. The fast-growing China Railway Tenth Bureau Group First Engineering Co Ltd., Jinan Rail Transit Group Co. Ltd., Tongji University take 27.27% of patent filing during this period.
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
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Patent: 2
Railway Design Institute (Shandong) Engineering Technology Co., Ltd
Shandong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Shanghai Shi, China
Patent: 2
Anhui Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among related 22 patents in last 5 years, we discover 16 new entrants. China Railway Tenth Bureau Group First Engineering Co Ltd., Jinan Rail Transit Group Co. Ltd., Tongji University are the most active new entrants in this area.
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
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Patent: 2
Railway Design Institute (Shandong) Engineering Technology Co., Ltd
Shandong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Shanghai Shi, China
Patent: 2
Anhui Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 22 patents, we discovered top 6 universities and scientific research institutions by total patent application. Tongji University, Chang'an University, Civil Aviation University of China are dominant in this area. They take 27.27% of the total patent filing.
Shanghai Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Hubei Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1