With the analysis among 785 patents, we discovered top 288 key players by total patent application. Jiangsu New Chunxing Resource Recycling Co. Ltd., China ENFI Engineering Corp., Yunnan Chihong Zinc & Germanium Co., Ltd. are dominant in this area. They take 10.57% of the total patent filing.
Jiangsu Sheng, China
Patent: 38
Beijing Shi, China
Patent: 23
Yunnan Sheng, China
Patent: 22
Henan Sheng, China
Patent: 22
Qinghai Sheng, China
Patent: 14
Henan Sheng, China
Patent: 13
Henan Sheng, China
Patent: 13
Tokyo-to, Japan
Patent: 12
Yunnan Sheng, China
Patent: 12
Qinghai Sheng, China
Patent: 12
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With the analysis among related 397 patents applied in the last 5 years. We discover 160 most active companies in this area. The fast-growing Jiangsu New Chunxing Resource Recycling Co. Ltd., Central South University, Tianneng Group (Puyang) Renewable Resources Co., Ltd. take 13.35% of patent filing during this period.
Jiangsu Sheng, China
Patent: 25
Hunan Sheng, China
Patent: 15
Henan Sheng, China
Patent: 13
Yunnan Sheng, China
Patent: 12
Beijing Shi, China
Patent: 11
Nei Mongol Zizhiqu, China
Patent: 11
Anhui Sheng, China
Patent: 10
Yunnan Sheng, China
Patent: 9
Henan Sheng, China
Patent: 8
Yunnan Sheng, China
Patent: 7
With the analysis among related 397 patents in last 5 years, we discover 119 new entrants. Tianneng Group (Puyang) Renewable Resources Co., Ltd., Chifengshan Gold Silver & Lead Co., Ltd., Camel Group (Anhui) Renewable Resources Co., Ltd. are the most active new entrants in this area.
Henan Sheng, China
Patent: 13
Nei Mongol Zizhiqu, China
Patent: 11
Anhui Sheng, China
Patent: 10
Henan Sheng, China
Patent: 8
Hubei Chukai Metallurgical Co., Ltd.
Hubei Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 5
Jiangxi Sheng, China
Patent: 4
Jiangxi Sheng, China
Patent: 4
Jiangxi Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 4
With the analysis among 125 patents, we discovered top 27 universities and scientific research institutions by total patent application. Central South University, Kunming University of Science & Technology, North Eastern University are dominant in this area. They take 42.40% of the total patent filing.
Hunan Sheng, China
Patent: 22
Yunnan Sheng, China
Patent: 17
Liaoning Sheng, China
Patent: 14
Beijing Shi, China
Patent: 7
Shaanxi Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2