Search results for “Tunnel ventilation” companies
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Key Players
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Innovation Intensity
With the analysis among 1,095 patents, we discovered top 466 key players by total patent application. TOSHIBA Corp., Mosen Co. Ltd., Shanghai Jinxian Electromechanical Technology Co., Ltd. are dominant in this area. They take 13.15% of the total patent filing.
Tokyo-to, Japan
Patent: 91
South Korea
Patent: 27
Shanghai Shi, China
Patent: 26
Hubei Sheng, China
Patent: 24
Tokyo-to, Japan
Patent: 20
Osaka-fu, Japan
Patent: 15
Tianjin Shi, China
Patent: 15
Kyoto-fu, Japan
Patent: 13
Shaanxi Sheng, China
Patent: 12
Tokyo-to, Japan
Patent: 10
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 717 patents applied in the last 5 years. We discover 460 most active companies in this area. The fast-growing Shanghai Jinxian Electromechanical Technology Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., Hunan University of Science & Technology take 7.25% of patent filing during this period.
Shanghai Shi, China
Patent: 26
Hubei Sheng, China
Patent: 14
Hunan Sheng, China
Patent: 12
Beijing Shi, China
Patent: 9
Shaanxi Sheng, China
Patent: 9
Tianjin Shi, China
Patent: 9
Hebei Sheng, China
Patent: 8
Chongqing Shi, China
Patent: 8
Sichuan Sheng, China
Patent: 8
Guangxi Zhuangzu Zizhiqu, China
Patent: 8
New Entrants
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Innovation in recent 5 years
With the analysis among related 717 patents in last 5 years, we discover 393 new entrants. Shanghai Jinxian Electromechanical Technology Co., Ltd., Hunan University of Science & Technology, China Coal First Construction Co., Ltd. are the most active new entrants in this area.
Shanghai Shi, China
Patent: 26
Hunan Sheng, China
Patent: 12
Hebei Sheng, China
Patent: 8
Guangxi Zhuangzu Zizhiqu, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 7
Tianjin Shi, China
Patent: 7
Shanghai Shi, China
Patent: 6
Research Institutions
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Innovation Intensity
With the analysis among 256 patents, we discovered top 79 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Chang'an University, Hunan University of Science & Technology are dominant in this area. They take 19.92% of the total patent filing.
Sichuan Sheng, China
Patent: 20
Shaanxi Sheng, China
Patent: 19
Hunan Sheng, China
Patent: 12
Chongqing Shi, China
Patent: 9
Hebei Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 5
Chongqing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 4
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