With the analysis among 303 patents, we discovered top 267 key players by total patent application. Powerchina Huadong Engineering Corp. Ltd., Shanghai Municipal Engineering Design Inst (Group) Co., Ltd., China Construction Eighth Engineering Division Corp. Ltd. are dominant in this area. They take 5.61% of the total patent filing.
Zhejiang Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 5
Shanghai Shi, China
Patent: 4
Henan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
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With the analysis among related 227 patents applied in the last 5 years. We discover 201 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Yellow River Reconnaissance Planning & Design Co. Ltd., Nanjing Guangyuan Municipal Design Co., Ltd. take 5.73% of patent filing during this period.
Zhejiang Sheng, China
Patent: 5
Henan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Anhui Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Henan Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
With the analysis among related 227 patents in last 5 years, we discover 188 new entrants. Yellow River Reconnaissance Planning & Design Co. Ltd., Nanjing Guangyuan Municipal Design Co., Ltd., China Road & Bridge Engineering Co. Ltd. are the most active new entrants in this area.
Henan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Henan Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Henan Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among 55 patents, we discovered top 21 universities and scientific research institutions by total patent application. Zhejiang University City College, Zhejiang University, Tongji University are dominant in this area. They take 16.36% of the total patent filing.
Zhejiang Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 1