With the analysis among 50 patents, we discovered top 17 key players by total patent application. Stuart Energy Systems, Inc., Shijiazhuang Xinhua Energy Environmental Technology Co., Ltd., Hyundai Motor Co., Ltd. are dominant in this area. They take 36.00% of the total patent filing.
Hebei Sheng, China
Patent: 6
Kanagawa-ken, Japan
Patent: 5
Hyogo-ken, Japan
Patent: 3
Jiangsu Sheng, China
Patent: 2
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With the analysis among related 4 patents applied in the last 5 years. We discover 2 most active companies in this area.
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 2 new entrants.
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
With the analysis among 5 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Beijing Shi, China
Patent: 2