With the analysis among 5,423 patents, we discovered top 482 key players by total patent application. Matsushita Electronics Corp., Hitachi Maxwell Ltd., Union Carbide Corp. are dominant in this area. They take 10.20% of the total patent filing.
Osaka-fu, Japan
Patent: 301
Wisconsin, United States
Patent: 91
Tokyo-to, Japan
Patent: 75
Chiba-ken, Japan
Patent: 66
Pennsylvania, United States
Patent: 63
Tokyo-to, Japan
Patent: 60
Delaware, United States
Patent: 56
Tokyo-to, Japan
Patent: 50
Kyoto-fu, Japan
Patent: 49
With the analysis among 12 patents, we discovered top 5 start-ups by total patent application. Agere Srl, Energizer Brands LLC, Electric Fuel Ltd. are active in this area.
California, United States
Patent: 4
Texas, United States
Patent: 1
Sichuan Sheng, China
Patent: 1
With the analysis among related 687 patents applied in the last 5 years. We discover 469 most active companies in this area. The fast-growing Maxell Ltd., China Petroleum & Chemical Corp., Sinopec Research Institute of Petroleum Processing take 5.24% of patent filing during this period.
Tokyo-to, Japan
Patent: 13
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 11
Jiangsu Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 5
Zhejiang Sheng, China
Patent: 4
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Patent: 4
Chongqing Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
With the analysis among related 687 patents in last 5 years, we discover 396 new entrants. Sinopec Research Institute of Petroleum Processing, Showa Electrical Materials Co., Ltd, Chongqing University of Science and Technology are the most active new entrants in this area.
Beijing Shi, China
Patent: 11
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Patent: 4
Chongqing Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
North Carolina, United States
Patent: 4
Ohio, United States
Patent: 3
Guangdong Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
With the analysis among 511 patents, we discovered top 162 universities and scientific research institutions by total patent application. Changzhou University, Sinopec Research Institute of Petroleum Processing, Tsinghua University are dominant in this area. They take 8.81% of the total patent filing.
Jiangsu Sheng, China
Patent: 12
Beijing Shi, China
Patent: 11
Beijing Shi, China
Patent: 9
Zhejiang Sheng, China
Patent: 8
Yunnan Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 5