With the analysis among 539 patents, we discovered top 208 key players by total patent application. SANYO Electric Co., Ltd., Matsushita Electronics Corp., Japan Storage Battery Co., Ltd. are dominant in this area. They take 21.52% of the total patent filing.
California, United States
Patent: 49
Osaka-fu, Japan
Patent: 41
Kyoto-fu, Japan
Patent: 26
Lombardia, Italy
Patent: 19
Tokyo-to, Japan
Patent: 18
Kanagawa-ken, Japan
Patent: 14
Oregon, United States
Patent: 10
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With the analysis among related 285 patents applied in the last 5 years. We discover 181 most active companies in this area. The fast-growing Shaanxi University of Science & Technology, Tianjin University, Shandong University take 7.37% of patent filing during this period.
Shaanxi Sheng, China
Patent: 9
Tianjin Shi, China
Patent: 6
Shandong Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 4
Shanghai Shi, China
Patent: 4
With the analysis among related 285 patents in last 5 years, we discover 145 new entrants. Shaanxi University of Science & Technology, Shandong University, Dalian Institute of Chemical Physics Chinese Academy of Sciences are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shandong Austrian Hydrogen Power Technology Co., Ltd.
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Gansu Sheng, China
Patent: 3
With the analysis among 321 patents, we discovered top 126 universities and scientific research institutions by total patent application. Zhejiang University, Shaanxi University of Science & Technology, China Three Gorges University are dominant in this area. They take 8.41% of the total patent filing.
Zhejiang Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 9
Hubei Sheng, China
Patent: 9
Guangdong Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 7
Shandong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Liaoning Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 6