With the analysis among 307 patents, we discovered top 153 key players by total patent application. Wieland Group, Hitachi Ltd., Hitachi Cable Ltd. are dominant in this area. They take 12.05% of the total patent filing.
Baden-Württemberg, Germany
Patent: 14
Tokyo-to, Japan
Patent: 12
Tokyo-to, Japan
Patent: 11
Jiangsu Sheng, China
Patent: 9
Guangdong Sheng, China
Patent: 7
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 151 patents applied in the last 5 years. We discover 104 most active companies in this area. The fast-growing Xi'an Jiaotong University, Gree Electric Appliances, Inc. of Zhuhai, Shanghai Jiao Tong University take 13.25% of patent filing during this period.
Shaanxi Sheng, China
Patent: 8
Guangdong Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Hunan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
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Patent: 2
With the analysis among related 151 patents in last 5 years, we discover 85 new entrants. Gree Electric Appliances, Inc. of Zhuhai, North China Electric Power University, Zhuzhou Zhiheat Technology Co., Ltd. are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 7
Beijing Shi, China
Patent: 5
Hunan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
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Patent: 2
Shandong Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
With the analysis among 135 patents, we discovered top 53 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, Shanghai Jiao Tong University, Southeast University are dominant in this area. They take 17.04% of the total patent filing.
Shaanxi Sheng, China
Patent: 9
Shanghai Shi, China
Patent: 8
Jiangsu Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Shanghai Shi, China
Patent: 4
Tianjin Shi, China
Patent: 4
Shandong Sheng, China
Patent: 3
Jilin Sheng, China
Patent: 3