With the analysis among 298 patents, we discovered top 135 key players by total patent application. 3M Innovative Properties Co., Halliburton Energy Services, Inc., Schlumberger Technology BV are dominant in this area. They take 13.76% of the total patent filing.
Minnesota, United States
Patent: 17
Texas, United States
Patent: 12
Zuid-Holland, Netherlands
Patent: 12
Idaho, United States
Patent: 8
Shaanxi Sheng, China
Patent: 8
Ohio, United States
Patent: 6
Guangdong Sheng, China
Patent: 5
Ishikawa-ken, Japan
Patent: 4
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With the analysis among related 160 patents applied in the last 5 years. We discover 81 most active companies in this area. The fast-growing Shaanxi Land Construction Land Engineering Technology Research Institute Co., Ltd., Nanjing Institute of Soil Science, Chinese Academy of Sciences, Guizhou University take 13.75% of patent filing during this period.
Shaanxi Sheng, China
Patent: 8
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Patent: 7
Guizhou Sheng, China
Patent: 7
Texas, United States
Patent: 5
Texas, United States
Patent: 4
Hubei Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
With the analysis among related 160 patents in last 5 years, we discover 68 new entrants. Shaanxi Land Construction Land Engineering Technology Research Institute Co., Ltd., Guizhou University, University of Chile are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 8
Guizhou Sheng, China
Patent: 7
Texas, United States
Patent: 4
Hubei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Henan Sheng, China
Patent: 2
With the analysis among 235 patents, we discovered top 58 universities and scientific research institutions by total patent application. Lanzhou University, President & Fellows of Harvard College, Guizhou University are dominant in this area. They take 14.47% of the total patent filing.
Gansu Sheng, China
Patent: 8
Massachusetts, United States
Patent: 7
Guizhou Sheng, China
Patent: 7
Hubei Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 4