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.
Nanjing ChangRong Acoustic, Inc.
Jiangsu Sheng, China
Patent: 16
China Shenhua Energy Co., Ltd.
Beijing Shi, China
Patent: 13
Beijing Guohua Power Co. Ltd.
Shenhua Guohua International Power Co. Ltd.
Beijing Shi, China
Patent: 13
Huadian Electric Power Research Institute Co., Ltd.
Zhejiang Sheng, China
Patent: 11
Beijing Zhongdian Huineng International Power Technology Co., Ltd.
Beijing Shi, China
Patent: 10
Hubei Duansheng Industrial Co., Ltd.
Hubei Sheng, China
Patent: 9
Nanjing Hengqing Environmental Protection Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 8
Shandong Gore Environmental Technology Co., Ltd.
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.
Huadian Electric Power Research Institute Co., Ltd.
Zhejiang Sheng, China
Patent: 11
Nanjing ChangRong Acoustic, Inc.
Jiangsu Sheng, China
Patent: 10
Nanjing Hengqing Environmental Protection Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 8
Henan Haolong Environmental Protection Technology Co., Ltd.
Henan Sheng, China
Patent: 5
Nanjing Changrong Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 5
Beijing Zhongdian Huineng International Power Technology Co., Ltd.
Beijing Shi, China
Patent: 5
Jiangsu Institute of Acoustics, Vibration and Acoustics Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 5
Xi'an Xikuang Environmental Protection Co., Ltd.
Shaanxi Sheng, China
Patent: 5
Shandong Gore Environmental Technology Co., Ltd.
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.
Huadian Electric Power Research Institute Co., Ltd.
Zhejiang Sheng, China
Patent: 11
Nanjing Hengqing Environmental Protection Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 8
Henan Haolong Environmental Protection Technology Co., Ltd.
Henan Sheng, China
Patent: 5
Nanjing Changrong Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 5
Jiangsu Institute of Acoustics, Vibration and Acoustics Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 5
Xi'an Xikuang Environmental Protection Co., Ltd.
Shaanxi Sheng, China
Patent: 5
Beijing Hitech Technology Co., Ltd.
Beijing Shi, China
Patent: 4
Martin Engineering Kunshan Co., Ltd.
Jiangsu Sheng, China
Patent: 3
Yueyang Yongqiang Electromechanical Equipment Co., Ltd.
Hunan Sheng, China
Patent: 3
Jiaxing Yixin Environmental Engineering Co., Ltd.
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.
Chinese Academy of Sciences Institute of Acoustics
North China Electric Power University
Beijing Shi, China
Patent: 2
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 1
University of Science & Technology Beijing
Beijing Shi, China
Patent: 1
Jiangsu Normal University
Jiangsu Sheng, China
Patent: 1