With the analysis among 366 patents, we discovered top 247 key players by total patent application. Hitachi Ltd., TOSHIBA Corp., Matsushita Electronics Corp. are dominant in this area. They take 8.47% of the total patent filing.
Tokyo-to, Japan
Patent: 12
Tokyo-to, Japan
Patent: 10
Zhejiang Sheng, China
Patent: 7
Mitsubishi Heavy Industries, Ltd.
Hubei Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 4
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Beijing Shi, China
Patent: 1
With the analysis among related 172 patents applied in the last 5 years. We discover 133 most active companies in this area. The fast-growing Hohai University, Powerchina Huadong Engineering Corp. Ltd., China Three Gorges University take 12.79% of patent filing during this period.
Jiangsu Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 7
Hubei Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
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Patent: 4
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Patent: 4
Hubei Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among related 172 patents in last 5 years, we discover 119 new entrants. Powerchina Huadong Engineering Corp. Ltd., Yangtze Three Gorges Navigation Administration, China Three Gorges Corp. are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 7
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Patent: 4
Hubei Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Xinjiang Uygur Zizhiqu, China
Patent: 3
Anhui Sheng, China
Patent: 3
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Patent: 2
Fujian Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
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Patent: 2
With the analysis among 169 patents, we discovered top 49 universities and scientific research institutions by total patent application. Hohai University, China Three Gorges University, Beijing Normal University are dominant in this area. They take 17.75% of the total patent filing.
Jiangsu Sheng, China
Patent: 15
Hubei Sheng, China
Patent: 8
Beijing Shi, China
Patent: 5
Hubei Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2