With the analysis among 357 patents, we discovered top 191 key players by total patent application. Hitachi Ltd., Gree Electric Appliances, Inc. of Zhuhai, Hitachi Cable Ltd. are dominant in this area. They take 13.17% of the total patent filing.
Tokyo-to, Japan
Patent: 16
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 16
Tokyo-to, Japan
Patent: 15
Tokyo-to, Japan
Patent: 14
Wisconsin, United States
Patent: 6
Western Electric Co., Inc.
Georgia, United States
Patent: 6
Mitsubishi Electric Corp.
Doosan Enerbility Co., Ltd.
Gyeongsangnam-do, South Korea
Patent: 5
Golden Dragon Precise Copper Tube Group, Inc.
Chongqing Shi, China
Patent: 5
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With the analysis among related 137 patents applied in the last 5 years. We discover 73 most active companies in this area. The fast-growing Gree Electric Appliances, Inc. of Zhuhai, Xi'an Jiaotong University, Guangdong University of Technology take 17.52% of patent filing during this period.
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 13
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 7
Guangdong University of Technology
Guangdong Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Institute of Oceanology, Chinese Academy of Sciences
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Patent: 4
Ningbo Hrale Plate Heat Exchanger Co. Ltd.
Zhejiang Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shanghai Institute of Special Equipment Supervision and Inspection Technology
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Patent: 3
Xi'an Huajiang Environmental Technology Co., Ltd.
Shaanxi Sheng, China
Patent: 3
Shanghai Lianneng Zhixin Amorphous Alloy Transformer Co. Ltd.
Shanghai Shi, China
Patent: 3
With the analysis among related 137 patents in last 5 years, we discover 50 new entrants. Tianjin University, Institute of Oceanology, Chinese Academy of Sciences, Ningbo Hrale Plate Heat Exchanger Co. Ltd. are the most active new entrants in this area.
Tianjin Shi, China
Patent: 4
Institute of Oceanology, Chinese Academy of Sciences
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Patent: 4
Ningbo Hrale Plate Heat Exchanger Co. Ltd.
Zhejiang Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shanghai Institute of Special Equipment Supervision and Inspection Technology
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Patent: 3
Xi'an Huajiang Environmental Technology Co., Ltd.
Shaanxi Sheng, China
Patent: 3
Shanghai Lianneng Zhixin Amorphous Alloy Transformer Co. Ltd.
Shanghai Shi, China
Patent: 3
Shanghai Lanhai Kechuang Testing Co., Ltd.
Shanghai Shi, China
Patent: 3
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 3
Hongfujin Precision Electronics (Tianjin) Co., Ltd.
Tianjin Shi, China
Patent: 2
With the analysis among 186 patents, we discovered top 45 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, South China University of Technology, Guangdong University of Technology are dominant in this area. They take 20.97% of the total patent filing.
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 17
South China University of Technology
Guangdong Sheng, China
Patent: 11
Guangdong University of Technology
Guangdong Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 10
Zhejiang Sheng, China
Patent: 8
East China University of Science & Technology
Shanghai Shi, China
Patent: 8
Tianjin University of Commerce
Tianjin Shi, China
Patent: 7
Massachusetts Institute of Technology
Massachusetts, United States
Patent: 6
University of Shanghai for Science & Technology
Shanghai Shi, China
Patent: 6
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 5