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
Guangdong Sheng, China
Patent: 16
Tokyo-to, Japan
Patent: 15
Tokyo-to, Japan
Patent: 14
Wisconsin, United States
Patent: 6
Georgia, United States
Patent: 6
Gyeongsangnam-do, South Korea
Patent: 5
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.
Guangdong Sheng, China
Patent: 13
Shaanxi Sheng, China
Patent: 7
Guangdong Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
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Patent: 4
Zhejiang Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
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Patent: 3
Shaanxi Sheng, China
Patent: 3
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
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Patent: 4
Zhejiang Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
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Patent: 3
Shaanxi Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Shanghai Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
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.
Shaanxi Sheng, China
Patent: 17
Guangdong Sheng, China
Patent: 11
Guangdong Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 10
Zhejiang Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 8
Tianjin Shi, China
Patent: 7
Massachusetts, United States
Patent: 6
Shanghai Shi, China
Patent: 6
Shanghai Shi, China
Patent: 5