With the analysis among 499 patents, we discovered top 180 key players by total patent application. Matsushita Electronics Corp., SANYO Electric Co., Ltd., Saft Groupe SA are dominant in this area. They take 26.25% of the total patent filing.
Osaka-fu, Japan
Patent: 55
California, United States
Patent: 42
Kyoto-fu, Japan
Patent: 11
Wisconsin, United States
Patent: 7
Pennsylvania, United States
Patent: 7
Chungcheongnam-do, South Korea
Patent: 6
Delaware, United States
Patent: 6
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With the analysis among related 126 patents applied in the last 5 years. We discover 85 most active companies in this area. The fast-growing Beijing University of Technology, South China University of Technology, Shanghai University take 8.73% of patent filing during this period.
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
GM Global Technology Operations LLC
Michigan, United States
Patent: 3
CENTRE COUNTY, France
Patent: 3
Shaanxi Zebang Environmental Technology Co., Ltd.
Shaanxi Sheng, China
Patent: 3
Fujian Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among related 126 patents in last 5 years, we discover 71 new entrants. GM Global Technology Operations LLC, Shaanxi Zebang Environmental Technology Co., Ltd., Fuzhou University are the most active new entrants in this area.
GM Global Technology Operations LLC
Michigan, United States
Patent: 3
Shaanxi Zebang Environmental Technology Co., Ltd.
Shaanxi Sheng, China
Patent: 3
Fujian Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among 157 patents, we discovered top 61 universities and scientific research institutions by total patent application. Shanghai Jiao Tong University, Beijing University of Technology, South China University of Technology are dominant in this area. They take 15.29% of the total patent filing.
Shanghai Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Guangdong Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 4
Anhui Sheng, China
Patent: 3