With the analysis among 712 patents, we discovered top 399 key players by total patent application. Nitto Denko Corp., A. O. Smith (China) Environmental Products Co., Ltd., Gree Electric Appliances, Inc. of Zhuhai are dominant in this area. They take 7.30% of the total patent filing.
Osaka-fu, Japan
Patent: 18
Jiangsu Sheng, China
Patent: 18
Guangdong Sheng, China
Patent: 16
Pennsylvania, United States
Patent: 12
Tokyo-to, Japan
Patent: 10
Tokyo-to, Japan
Patent: 10
Rheinland-Pfalz, Germany
Patent: 9
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With the analysis among related 268 patents applied in the last 5 years. We discover 193 most active companies in this area. The fast-growing Gree Electric Appliances, Inc. of Zhuhai, Ningde Amperex Technology Ltd., Central South University take 8.58% of patent filing during this period.
Guangdong Sheng, China
Patent: 12
Fujian Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Gansu Sheng, China
Patent: 4
KOLONG INDUSTRIAL CO., LTD
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Patent: 4
Fujian Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Fujian Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
With the analysis among related 268 patents in last 5 years, we discover 155 new entrants. Ningde Amperex Technology Ltd., Xiamen Filtertech Industrial Corp., Fuzhou University are the most active new entrants in this area.
Fujian Sheng, China
Patent: 6
Fujian Sheng, China
Patent: 4
Fujian Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 2
Guangdong Water Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
With the analysis among 298 patents, we discovered top 98 universities and scientific research institutions by total patent application. Dalian Institute of Chemical Physics Chinese Academy of Sciences, Central South University, Tsinghua University are dominant in this area. They take 10.07% of the total patent filing.
Liaoning Sheng, China
Patent: 13
Hunan Sheng, China
Patent: 9
Beijing Shi, China
Patent: 8
Zhejiang Sheng, China
Patent: 8
Beijing Shi, China
Patent: 8
Heilongjiang Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 5