With the analysis among 569 patents, we discovered top 236 key players by total patent application. Zhengzhou Tianyi Extraction Technology Co., Ltd., Hitachi Ltd., Suzhou Zenghua New Energy Technology Co., Ltd. are dominant in this area. They take 14.41% of the total patent filing.
Henan Sheng, China
Patent: 42
Tokyo-to, Japan
Patent: 24
Jiangsu Sheng, China
Patent: 16
Anhui Sheng, China
Patent: 15
Tokyo-to, Japan
Patent: 13
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Patent: 13
Nordrhein-Westfalen, Germany
Patent: 11
Tokyo-to, Japan
Patent: 10
Ohio, United States
Patent: 10
Hunan Sheng, China
Patent: 9
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With the analysis among related 241 patents applied in the last 5 years. We discover 143 most active companies in this area. The fast-growing Zhengzhou Tianyi Extraction Technology Co., Ltd., Suzhou Zenghua New Energy Technology Co., Ltd., Hefei General Machinery Research Institute Co. Ltd. take 18.26% of patent filing during this period.
Henan Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 16
Anhui Sheng, China
Patent: 10
Hunan Sheng, China
Patent: 9
Anhui Sheng, China
Patent: 6
Anhui Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 5
Yunnan Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
With the analysis among related 241 patents in last 5 years, we discover 131 new entrants. Suzhou Zenghua New Energy Technology Co., Ltd., Hunan Zhengqing Pharmaceutical Group Co. Ltd., Hefei General Machinery Environmental Controlling Tech Co. Ltd are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 16
Hunan Sheng, China
Patent: 9
Anhui Sheng, China
Patent: 6
Anhui Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 5
Yunnan Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 4
Wuxi Quande Machinery Manufacturing Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Zheyan Hydrogen Energy (Jiaxing) Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 3
With the analysis among 106 patents, we discovered top 23 universities and scientific research institutions by total patent application. Tsinghua University, Hunan Institute of Science & Technology, East China University of Science & Technology are dominant in this area. They take 31.13% of the total patent filing.
Beijing Shi, China
Patent: 15
Hunan Sheng, China
Patent: 11
Shanghai Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Qinghai Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2