With the analysis among 228 patents, we discovered top 114 key players by total patent application. Sumitomo Electric Industries Ltd., IHI Corp., Nippon Telegraph & Telephone Corp. are dominant in this area. They take 11.40% of the total patent filing.
Osaka-fu, Japan
Patent: 11
Beijing Shi, China
Patent: 6
Texas, United States
Patent: 5
CITY OF SCOTLAND, United Kingdom
Patent: 4
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Ibaraki-ken, Japan
Patent: 1
With the analysis among related 48 patents applied in the last 5 years. We discover 30 most active companies in this area. The fast-growing Hengyang Normal University, PetroChina Co., Ltd., Tsinghua University take 20.83% of patent filing during this period.
Hunan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Fujian Sheng, China
Patent: 2
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Patent: 2
Beijing Shi, China
Patent: 1
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among related 48 patents in last 5 years, we discover 14 new entrants. Fuzhou University, National Geological Experiment and Testing Center, Beijing National Battery Technology Co., Ltd. are the most active new entrants in this area.
Fujian Sheng, China
Patent: 2
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Patent: 2
Beijing Shi, China
Patent: 1
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Langmiao Environmental Technology (Tianjin) Co., Ltd.
Tianjin Shi, China
Patent: 1
Hebei Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
California, United States
Patent: 1
With the analysis among 156 patents, we discovered top 54 universities and scientific research institutions by total patent application. China University of Petroleum (East China), Southeast University, Tongji University are dominant in this area. They take 16.03% of the total patent filing.
Shandong Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 6
Beijing Shi, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Anhui Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2