With the analysis among 161 patents, we discovered top 89 key players by total patent application. Hinode Ltd., Powerchina Guiyang Engineering Corp. Ltd., TAISEI Corp. are dominant in this area. They take 18.01% of the total patent filing.
Fukuoka-ken, Japan
Patent: 11
Guizhou Sheng, China
Patent: 10
Zhejiang Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 4
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With the analysis among related 43 patents applied in the last 5 years. We discover 30 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Huaneng Long Kaikai Hydropower Co Ltd., Zhongshui North Survey, Design and Research Co., Ltd. take 23.26% of patent filing during this period.
Zhejiang Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
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Patent: 2
Guizhou Sheng, China
Patent: 2
Liaoning Yitong Construction Engineering Co., Ltd.
Liaoning Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
With the analysis among related 43 patents in last 5 years, we discover 23 new entrants. Huaneng Long Kaikai Hydropower Co Ltd., Zhongshui North Survey, Design and Research Co., Ltd., Jiangsu Nanshui Technology Co., Ltd. are the most active new entrants in this area.
Yunnan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
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Patent: 2
Liaoning Yitong Construction Engineering Co., Ltd.
Liaoning Sheng, China
Patent: 1
Xinjiang Xinshui Kemei Environmental Protection Technology Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 1
Shandong Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Nei Mongol Zizhiqu, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
With the analysis among 32 patents, we discovered top 12 universities and scientific research institutions by total patent application. Shandong University, Hohai University, Xi'an University of Technology are dominant in this area. They take 25.00% of the total patent filing.
Shandong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1