With the analysis among 52 patents, we discovered top 41 key players by total patent application. Beijing Renchuang Eco-Environmental Protection Technology, Beijing Renchuang T Echnology Group Co. Ltd., Yunnan Dahongshan Tunnel Co. Ltd. are dominant in this area. They take 21.15% of the total patent filing.
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2
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With the analysis among related 30 patents applied in the last 5 years. We discover 27 most active companies in this area. The fast-growing Powerchina Chengdu Engineering Corp. Ltd., Anhui Puriming Precision Machinery Co., Ltd., Wuhan Zhongneng Huayuan Design Consulting Co., Ltd. take 16.67% of patent filing during this period.
Sichuan Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Wuhan Zhongneng Huayuan Design Consulting Co., Ltd.
Hubei Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Wantu Construction Group Co., Ltd.
Fujian Sheng, China
Patent: 1
Jiangsu Ximu Environmental Protection Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Fujian Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among related 30 patents in last 5 years, we discover 27 new entrants. Powerchina Chengdu Engineering Corp. Ltd., Anhui Puriming Precision Machinery Co., Ltd., Wuhan Zhongneng Huayuan Design Consulting Co., Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Wuhan Zhongneng Huayuan Design Consulting Co., Ltd.
Hubei Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Wantu Construction Group Co., Ltd.
Fujian Sheng, China
Patent: 1
Jiangsu Ximu Environmental Protection Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Fujian Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among 5 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Zhejiang Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1