With the analysis among 365 patents, we discovered top 184 key players by total patent application. Hitachi Ltd., Shanxi Electric Motor Manufacturing Co. Ltd., Mitsubishi Electric Corp. are dominant in this area. They take 14.79% of the total patent filing.
Tokyo-to, Japan
Patent: 24
Shanxi Sheng, China
Patent: 16
Tokyo-to, Japan
Patent: 14
Tokyo-to, Japan
Patent: 11
Guangdong Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 8
Guangdong Sheng, China
Patent: 8
Guangdong Sheng, China
Patent: 8
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With the analysis among related 130 patents applied in the last 5 years. We discover 88 most active companies in this area. The fast-growing Shanxi Electric Motor Manufacturing Co. Ltd., Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai, Haihong Electric Co., Ltd. take 23.85% of patent filing during this period.
Shanxi Sheng, China
Patent: 16
Guangdong Sheng, China
Patent: 8
Guangdong Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
With the analysis among related 130 patents in last 5 years, we discover 68 new entrants. Shanxi Electric Motor Manufacturing Co. Ltd., Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai, Haihong Electric Co., Ltd. are the most active new entrants in this area.
Shanxi Sheng, China
Patent: 16
Guangdong Sheng, China
Patent: 8
Guangdong Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 2
Xinjiang Uygur Zizhiqu, China
Patent: 2
Shanghai Shi, China
Patent: 2
Taizhou Dengfeng Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Xinjiang Uygur Zizhiqu, China
Patent: 2
With the analysis among 34 patents, we discovered top 15 universities and scientific research institutions by total patent application. Harbin University of Science & Technology, Southeast University, Harbin Institute of Technology are dominant in this area. They take 32.35% of the total patent filing.
Heilongjiang Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Heilongjiang Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1