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
Jinan Rail Transit Group Co. Ltd.
Shandong Sheng, China
Patent: 2
China Railway Tenth Bureau Group First Engineering Co Ltd.
Shandong Sheng, China
Patent: 2
Ningbo Ershiye Construct Co. Ltd.
Zhejiang Sheng, China
Patent: 2
China MCC 20 Group Co., Ltd.
Shanghai Shi, China
Patent: 2
Guangxi Hualan Design (Group) Co. Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Railway Design Institute (Shandong) Engineering Technology Co., Ltd
Shandong Sheng, China
Patent: 2
China National Petroleum Corp.
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.
China Railway Tenth Bureau Group First Engineering Co Ltd.
Shandong Sheng, China
Patent: 2
Jinan Rail Transit Group Co. Ltd.
Shandong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences
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Patent: 2
Railway Design Institute (Shandong) Engineering Technology Co., Ltd
Shandong Sheng, China
Patent: 2
Ningbo Ershiye Construct Co. Ltd.
Zhejiang Sheng, China
Patent: 2
Civil Aviation University of China
Tianjin Shi, China
Patent: 2
China MCC 20 Group Co., Ltd.
Shanghai Shi, China
Patent: 2
Chinese Metallurgical Group Co., Ltd.
Anhui Sheng, China
Patent: 1
Jiangsu Hohai New Energy Technology Development Co., Ltd.
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.
China Railway Tenth Bureau Group First Engineering Co Ltd.
Shandong Sheng, China
Patent: 2
Jinan Rail Transit Group Co. Ltd.
Shandong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences
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Patent: 2
Railway Design Institute (Shandong) Engineering Technology Co., Ltd
Shandong Sheng, China
Patent: 2
Ningbo Ershiye Construct Co. Ltd.
Zhejiang Sheng, China
Patent: 2
Civil Aviation University of China
Tianjin Shi, China
Patent: 2
China MCC 20 Group Co., Ltd.
Shanghai Shi, China
Patent: 2
Chinese Metallurgical Group Co., Ltd.
Anhui Sheng, China
Patent: 1
Jiangsu Hohai New Energy Technology Development Co., Ltd.
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
Civil Aviation University of China
Tianjin Shi, China
Patent: 2
Hubei Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Qingdao University of Technology
Shandong Sheng, China
Patent: 1