With the analysis among 7,354 patents, we discovered top 478 key players by total patent application. Hitachi Ltd., TOSHIBA Corp., Mitsubishi Heavy Industries, Ltd. are dominant in this area. They take 1.75% of the total patent filing.
Tokyo-to, Japan
Patent: 50
Tokyo-to, Japan
Patent: 40
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 39
Shandong Sheng, China
Patent: 26
Zhejiang Sheng, China
Patent: 26
Tokyo-to, Japan
Patent: 25
Osaka-fu, Japan
Patent: 21
Osaka-fu, Japan
Patent: 21
Rheinland-Pfalz, Germany
Patent: 20
With the analysis among 3 patents, we discovered top 2 start-ups by total patent application.
Chiba-ken, Japan
Patent: 2
New York, United States
Patent: 1
With the analysis among related 6,359 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hohai University, China Institute of Water Resources and Hydropower Research, South China Institute of Environmental Sciences take 1.92% of patent filing during this period.
Jiangsu Sheng, China
Patent: 71
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Patent: 28
Zhejiang Sheng, China
Patent: 23
Tianjin Shi, China
Patent: 20
Jiangsu Sheng, China
Patent: 18
Henan Sheng, China
Patent: 17
Zhejiang Sheng, China
Patent: 15
Hubei Sheng, China
Patent: 15
With the analysis among related 6,359 patents in last 5 years, we discover 338 new entrants. Wuhan Shengyu Drainage System Co., Ltd., Econ Technology Co., Ltd., Wuhu Xinda Landscaping Group Co., Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 14
Anhui Sheng, China
Patent: 12
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Patent: 12
Guangdong Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 9
Shanghai Shi, China
Patent: 9
Shaanxi Sheng, China
Patent: 8
Beijing Shi, China
Patent: 8
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Patent: 8
With the analysis among 2,102 patents, we discovered top 226 universities and scientific research institutions by total patent application. Hohai University, Tianjin University, Tsinghua University are dominant in this area. They take 8.94% of the total patent filing.
Jiangsu Sheng, China
Patent: 116
Tianjin Shi, China
Patent: 36
Beijing Shi, China
Patent: 27
Henan Sheng, China
Patent: 23
Jiangsu Sheng, China
Patent: 21
Shandong Sheng, China
Patent: 17
Shanghai Shi, China
Patent: 17
Zhejiang Sheng, China
Patent: 17
Hubei Sheng, China
Patent: 17
Jiangsu Sheng, China
Patent: 17