With the analysis among 308 patents, we discovered top 174 key players by total patent application. Nanjing ChangRong Acoustic, Inc., China Shenhua Energy Co., Ltd., Beijing Guohua Power Co. Ltd. are dominant in this area. They take 13.64% of the total patent filing.
Jiangsu Sheng, China
Patent: 16
Beijing Shi, China
Patent: 13
Beijing Shi, China
Patent: 13
Zhejiang Sheng, China
Patent: 11
Beijing Zhongdian Huineng International Power Technology Co., Ltd.
Beijing Shi, China
Patent: 10
Hubei Sheng, China
Patent: 9
Jiangsu Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 7
Xinjiang Zhongdian Huanneng Technology Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 6
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With the analysis among related 183 patents applied in the last 5 years. We discover 115 most active companies in this area. The fast-growing Huadian Electric Power Research Institute Co., Ltd., Nanjing ChangRong Acoustic, Inc., Nanjing Hengqing Environmental Protection Technology Co., Ltd. take 15.85% of patent filing during this period.
Zhejiang Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 8
Henan Haolong Environmental Protection Technology Co., Ltd.
Henan Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Beijing Zhongdian Huineng International Power Technology Co., Ltd.
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 4
Beijing Hitech Technology Co., Ltd.
Beijing Shi, China
Patent: 4
With the analysis among related 183 patents in last 5 years, we discover 108 new entrants. Huadian Electric Power Research Institute Co., Ltd., Nanjing Hengqing Environmental Protection Technology Co., Ltd., Henan Haolong Environmental Protection Technology Co., Ltd. are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 8
Henan Haolong Environmental Protection Technology Co., Ltd.
Henan Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Beijing Hitech Technology Co., Ltd.
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Yueyang Yongqiang Electromechanical Equipment Co., Ltd.
Hunan Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among 16 patents, we discovered top 8 universities and scientific research institutions by total patent application. Chinese Academy of Sciences Institute of Acoustics, North China Electric Power University, Anhui University of Science & Technology are dominant in this area. They take 50.00% of the total patent filing.
Beijing Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1