With the analysis among 146 patents, we discovered top 140 key players by total patent application. Powerchina Xibei Engineering Corp. Ltd., Powerchina Huadong Engineering Corp. Ltd., MCC Wuhan Investigation & Research Institute Co., Ltd. are dominant in this area. They take 15.07% of the total patent filing.
Shaanxi Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 8
Hubei Sheng, China
Patent: 5
Liaoning Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Shanxi Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
North Carolina, United States
Patent: 2
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With the analysis among related 297 patents applied in the last 5 years. We discover 230 most active companies in this area. The fast-growing Powerchina Xibei Engineering Corp. Ltd., Huaqiao University, Powerchina Huadong Engineering Corp. Ltd. take 8.42% of patent filing during this period.
Shaanxi Sheng, China
Patent: 9
Fujian Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 8
Liaoning Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Liaoning Sheng, China
Patent: 4
With the analysis among related 297 patents in last 5 years, we discover 218 new entrants. Powerchina Xibei Engineering Corp. Ltd., Huaqiao University, Powerchina Huadong Engineering Corp. Ltd. are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 9
Fujian Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Liaoning Sheng, China
Patent: 4
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Patent: 4
With the analysis among 190 patents, we discovered top 82 universities and scientific research institutions by total patent application. Huaqiao University, Chang'an University, Southwest Jiaotong University are dominant in this area. They take 12.11% of the total patent filing.
Fujian Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Hebei Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3