With the analysis among 3,217 patents, we discovered top 482 key players by total patent application. Kajima Corp., Shanghai Investigation, Design & Research Institute, World Eng Co., Ltd. are dominant in this area. They take 3.54% of the total patent filing.
Jiangsu Sheng, China
Patent: 40
Shanghai Shi, China
Patent: 37
Hokkaido, Japan
Patent: 36
Tokyo-to, Japan
Patent: 32
Tokyo-to, Japan
Patent: 31
Shanghai Shi, China
Patent: 30
Yamanashi-ken, Japan
Patent: 27
Hokkaido, Japan
Patent: 27
Georgia, United States
Patent: 27
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With the analysis among related 1,338 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Shanghai Investigation, Design & Research Institute, CCCC Third Harbor Consultants Co., Ltd., ChangJiang Survey, Planning, Design and Research Co., Ltd take 4.48% of patent filing during this period.
Shanghai Shi, China
Patent: 26
Shanghai Shi, China
Patent: 18
Hubei Sheng, China
Patent: 16
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Patent: 14
Shanghai Shi, China
Patent: 14
Jiangsu Sheng, China
Patent: 13
Shanghai Shi, China
Patent: 12
Jiangsu Sheng, China
Patent: 11
Shanghai Shi, China
Patent: 11
Liaoning Sheng, China
Patent: 10
With the analysis among related 1,338 patents in last 5 years, we discover 395 new entrants. ChangJiang Survey, Planning, Design and Research Co., Ltd, Xi'an Jingxingxiang Environmental Technology Co., Ltd., Nanjing Forestry University are the most active new entrants in this area.
Hubei Sheng, China
Patent: 16
Shaanxi Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
Heilongjiang Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Guangxi Urban Construction School
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Patent: 5
Tianjin Shi, China
Patent: 4
With the analysis among 579 patents, we discovered top 100 universities and scientific research institutions by total patent application. Hohai University, Tianjin University, Tongji University are dominant in this area. They take 16.58% of the total patent filing.
Jiangsu Sheng, China
Patent: 49
Tianjin Shi, China
Patent: 15
Shanghai Shi, China
Patent: 9
Hubei Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 7
Fujian Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 5