With the analysis among 10,557 patents, we discovered top 478 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., State Grid Corp. of China, Powerchina Guiyang Engineering Corp. Ltd. are dominant in this area. They take 1.35% of the total patent filing.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 54
State Grid Corp. of China
Beijing Shi, China
Patent: 49
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 40
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 40
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 39
China Construction Eighth Engineering Division Corp. Ltd.
Shanghai Shi, China
Patent: 33
Sekisui Chemical Co., Ltd.
Osaka-fu, Japan
Patent: 32
Guizhou Transportation Plnng Survey & Design Academe Co., Ltd.
Guizhou Sheng, China
Patent: 32
Osaka-fu, Japan
Patent: 31
With the analysis among 7 patents, we discovered top 5 start-ups by total patent application. Lux Modus Ltd., Shenzhen Bominwell Robotics Co. Ltd., SyntheX, Inc. are active in this area.
Shenzhen Bominwell Robotics Co. Ltd.
Guangdong Sheng, China
Patent: 1
California, United States
Patent: 1
Qingdao Jia'en Semiconductor Co., Ltd.
Shandong Sheng, China
Patent: 1
Harjumaa, Estonia
Patent: 1
With the analysis among related 8,182 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Railway Eryuan Engineering Group Co., Ltd., Hohai University, China Railway Siyuan Survey & Design Group Co., Ltd. take 1.50% of patent filing during this period.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 44
Jiangsu Sheng, China
Patent: 42
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 37
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 36
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 31
China Institute of Water Resources and Hydropower Research
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Patent: 29
China Construction Eighth Engineering Division Corp. Ltd.
Shanghai Shi, China
Patent: 29
China Railway Design Group Co., Ltd.
Tianjin Shi, China
Patent: 28
Chinese Academy of Sciences, Chengdu Institute of Mountain Hazards and Environment, Ministry of Water Resources
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Patent: 27
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 23
With the analysis among related 8,182 patents in last 5 years, we discover 282 new entrants. China Railway Design Group Co., Ltd., Beijing General Municipal Engr Design & Research Inst Co. Ltd., China Railway 19th Bureau Group Co., Ltd. are the most active new entrants in this area.
China Railway Design Group Co., Ltd.
Tianjin Shi, China
Patent: 28
Beijing General Municipal Engr Design & Research Inst Co. Ltd.
Beijing Shi, China
Patent: 14
China Railway 19th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 13
Sinohydro Bureau 11 Co., Ltd.
Henan Sheng, China
Patent: 13
China Metallurgical Southern Urban Construction Engineering Technology Co., Ltd.
Hubei Sheng, China
Patent: 13
Zhejiang East China Engineering Construction Management Co., Ltd.
Zhejiang Sheng, China
Patent: 13
Zhongshui North Survey, Design and Research Co., Ltd.
Tianjin Shi, China
Patent: 12
Hengyang Jinming Environmental Technology Co., Ltd.
Hunan Sheng, China
Patent: 12
CCCC Second Highway Consultants Co., Ltd.
Hubei Sheng, China
Patent: 12
Nanjing Hydraulic Research Institute
Jiangsu Sheng, China
Patent: 12
With the analysis among 2,812 patents, we discovered top 200 universities and scientific research institutions by total patent application. Hohai University, Hunan Agricultural University, Yunnan Agricultural University are dominant in this area. They take 5.48% of the total patent filing.
Jiangsu Sheng, China
Patent: 79
Hunan Agricultural University
Hunan Sheng, China
Patent: 36
Yunnan Agricultural University
Yunnan Sheng, China
Patent: 35
Zhejiang Sheng, China
Patent: 26
Tianjin Shi, China
Patent: 25
Chongqing Shi, China
Patent: 24
Jiangsu Sheng, China
Patent: 23
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 22
Shaanxi Sheng, China
Patent: 20
Huazhong Agricultural University
Hubei Sheng, China
Patent: 20