Search results for “Culvert” companies
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Key Players
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Innovation Intensity
With the analysis among 8,302 patents, we discovered top 487 key players by total patent application. Powerchina Huadong Engineering Corp. Ltd., Seibu Polymer Corp., Hebei Hengshui Yitong Metal Products Co. Ltd. are dominant in this area. They take 3.04% of the total patent filing.
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 93
Seibu Polymer Corp.
Japan
Patent: 83
Hebei Hengshui Yitong Metal Products Co. Ltd.
Hebei Sheng, China
Patent: 76
Asahi Concrete Works Co., Ltd.
Saitama-ken, Japan
Patent: 72
Sekisui Chemical Co., Ltd.
Osaka-fu, Japan
Patent: 49
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 49
Shanghai Municipal Engineering Design Inst (Group) Co., Ltd.
Shanghai Shi, China
Patent: 48
Fanchang Country Tianyu Cement Products Co. Ltd.
Anhui Sheng, China
Patent: 44
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 43
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 41
Startups & Unicorns
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Innovation Intensity
With the analysis among 4 patents, we discovered top 2 start-ups by total patent application.
STARTUP
Precast Civil Industries Pty Ltd.
Victoria, Australia
Patent: 2
STARTUP
Englishco LLC
New York, United States
Patent: 2
Fast-Growing
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Innovation in recent 5 years
With the analysis among related 4,917 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Hebei Hengshui Yitong Metal Products Co. Ltd., China Communications First Public Bureau Group Co., Ltd. take 3.70% of patent filing during this period.
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 82
Hebei Hengshui Yitong Metal Products Co. Ltd.
Hebei Sheng, China
Patent: 53
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 47
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 37
China Railway 14th Bureau Group Shield Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 35
China Road & Bridge Engineering Co. Ltd.
Beijing Shi, China
Patent: 32
Chongqing Municipal Drainage Co., Ltd.
Chongqing Shi, China
Patent: 31
Chang'an University
Shaanxi Sheng, China
Patent: 30
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 29
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 29
New Entrants
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Innovation in recent 5 years
With the analysis among related 4,917 patents in last 5 years, we discover 298 new entrants. Chongqing Municipal Drainage Co., Ltd., China Railway Engineering Equipment Group Co., Ltd., Xi'an Century Metal Structure Co., Ltd. are the most active new entrants in this area.
Chongqing Municipal Drainage Co., Ltd.
Chongqing Shi, China
Patent: 31
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 15
Xi'an Century Metal Structure Co., Ltd.
Shaanxi Sheng, China
Patent: 14
Henan Communications Planning & Design Institute Co., Ltd.
Henan Sheng, China
Patent: 14
Shandong Luqiao Group Co. Ltd.
Shandong Sheng, China
Patent: 13
Ganzhou Fuhai Building Materials Co., Ltd.
Jiangxi Sheng, China
Patent: 13
Zhejiang Shirun Jianchuang Technology Development Co., Ltd.
Zhejiang Sheng, China
Patent: 13
Powerchina Road Bridge Group Co., Ltd.
Beijing Shi, China
Patent: 12
Zhongnan Equipment Co., Ltd.
Hubei Sheng, China
Patent: 12
Inner Mongolia Road and Bridge Group Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 12
Research Institutions
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Innovation Intensity
With the analysis among 1,178 patents, we discovered top 182 universities and scientific research institutions by total patent application. Chang'an University, Hohai University, Tongji University are dominant in this area. They take 10.27% of the total patent filing.
Chang'an University
Shaanxi Sheng, China
Patent: 58
Hohai University
Jiangsu Sheng, China
Patent: 33
Tongji University
Shanghai Shi, China
Patent: 22
Yangzhou University
Jiangsu Sheng, China
Patent: 22
Beijing Jiaotong University
Beijing Shi, China
Patent: 21
Nanjing University of Technology
Jiangsu Sheng, China
Patent: 20
Hubei University of Technology
Hubei Sheng, China
Patent: 17
China Three Gorges University
Hubei Sheng, China
Patent: 15
Chongqing Jiaotong University
Chongqing Shi, China
Patent: 13
Zhejiang University
Zhejiang Sheng, China
Patent: 12
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