With the analysis among 296 patents, we discovered top 220 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., State Grid Corp. of China, Kumagai Gumi Co., Ltd. are dominant in this area. They take 8.78% of the total patent filing.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 11
State Grid Corp. of China
Beijing Shi, China
Patent: 10
Jiangsu Sheng, China
Patent: 5
State Grid Fujian Electric Power Co.
Fujian Sheng, China
Patent: 4
Shanghai Civil Engineering Co., Ltd. of CREC
Shanghai Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Guizhou Electric Power Design & Research Institute
Guizhou Sheng, China
Patent: 3
Shanghai Investigation, Design & Research Institute
Shanghai Shi, China
Patent: 3
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 3
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With the analysis among related 208 patents applied in the last 5 years. We discover 164 most active companies in this area. The fast-growing China Railway Eryuan Engineering Group Co., Ltd., CCCC Second Highway Consultants Co., Ltd., Guizhou Electric Power Design & Research Institute take 5.77% of patent filing during this period.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 6
CCCC Second Highway Consultants Co., Ltd.
Hubei Sheng, China
Patent: 3
Guizhou Electric Power Design & Research Institute
Guizhou Sheng, China
Patent: 3
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 3
Shanghai Civil Engineering Co., Ltd. of CREC
Shanghai Shi, China
Patent: 3
South China Agricultural University
Guangdong Sheng, China
Patent: 3
China Road & Bridge Engineering Co. Ltd.
Beijing Shi, China
Patent: 3
Guizhou Sheng, China
Patent: 3
Guangdong Institute of Modern Agricultural Equipment
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Patent: 2
East China Jiaotong University
Jiangxi Sheng, China
Patent: 2
With the analysis among related 208 patents in last 5 years, we discover 142 new entrants. CCCC Second Highway Consultants Co., Ltd., Guizhou Electric Power Design & Research Institute, China Railway Siyuan Survey & Design Group Co., Ltd. are the most active new entrants in this area.
CCCC Second Highway Consultants Co., Ltd.
Hubei Sheng, China
Patent: 3
Guizhou Electric Power Design & Research Institute
Guizhou Sheng, China
Patent: 3
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 3
China Road & Bridge Engineering Co. Ltd.
Beijing Shi, China
Patent: 3
Guangdong Institute of Modern Agricultural Equipment
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Patent: 2
East China Jiaotong University
Jiangxi Sheng, China
Patent: 2
Guizhou Water Conservancy Investment (Group) Co., Ltd.
Guizhou Sheng, China
Patent: 2
ZheJiang Academy of Agricultural Sciences
Zhejiang Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
China Railway Fourth Institute Group Southwest Survey and Design Co., Ltd.
Yunnan Sheng, China
Patent: 2
With the analysis among 167 patents, we discovered top 53 universities and scientific research institutions by total patent application. Sichuan University, Chang'an University, South China Agricultural University are dominant in this area. They take 10.18% of the total patent filing.
Sichuan Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 6
South China Agricultural University
Guangdong Sheng, China
Patent: 5
Guizhou Sheng, China
Patent: 4
Guizhou Normal University
Guizhou Sheng, China
Patent: 4
China Agricultural University
Beijing Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Hunan Sheng, China
Patent: 2
South China University of Technology
Guangdong Sheng, China
Patent: 2