Search results for “Subsurface drainage” companies
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Key Players
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Innovation Intensity
With the analysis among 485 patents, we discovered top 351 key players by total patent application. Hitachi Ltd., Airfield Systems LLC, Invisible Structures, Inc. are dominant in this area. They take 5.57% of the total patent filing.
Tokyo-to, Japan
Patent: 10
Oklahoma, United States
Patent: 9
United States
Patent: 8
Sichuan Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Ningxia Huizi Zizhiqu, China
Patent: 6
Hebei Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Startups & Unicorns
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Innovation Intensity
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Fast-Growing
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Innovation in recent 5 years
With the analysis among related 494 patents applied in the last 5 years. We discover 351 most active companies in this area. The fast-growing Chengdu Shuyu Tongtu New Material Technology Co., Ltd., China Railway Eryuan Engineering Group Co., Ltd., Zhengzhou University take 4.25% of patent filing during this period.
Sichuan Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Henan Sheng, China
Patent: 7
Hebei Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Shanghai Shi, China
Patent: 4
New Entrants
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Innovation in recent 5 years
With the analysis among related 494 patents in last 5 years, we discover 343 new entrants. Chengdu Shuyu Tongtu New Material Technology Co., Ltd., China Railway Eryuan Engineering Group Co., Ltd., Zhengzhou University are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Henan Sheng, China
Patent: 7
Hebei Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Shanghai Shi, China
Patent: 4
Research Institutions
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Innovation Intensity
With the analysis among 120 patents, we discovered top 45 universities and scientific research institutions by total patent application. Yangzhou University, Zhengzhou University, Sichuan Agricultural University are dominant in this area. They take 16.67% of the total patent filing.
Jiangsu Sheng, China
Patent: 7
Henan Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 3
Xinjiang Uygur Zizhiqu, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
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