With the analysis among 112 patents, we discovered top 35 key players by total patent application. Wankel, Hitachi Ltd., Stackpole International Engineered Products Ltd. are dominant in this area. They take 16.07% of the total patent filing.
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Patent: 8
Fukushima-ken, Japan
Patent: 4
Colorado, United States
Patent: 4
North Carolina, United States
Patent: 3
Aichi-ken, Japan
Patent: 3
Illinois, United States
Patent: 2
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With the analysis among related 15 patents applied in the last 5 years. We discover 5 most active companies in this area. The fast-growing Stackpole International Engineered Products Ltd., Fornovo Gas SpA, NITTAN take 46.67% of patent filing during this period.
Emilia-Romagna, Italy
Patent: 1
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Patent: 1
Beijing Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
With the analysis among related 15 patents in last 5 years, we discover 5 new entrants. Stackpole International Engineered Products Ltd., Fornovo Gas SpA, NITTAN are the most active new entrants in this area.
Emilia-Romagna, Italy
Patent: 1
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Patent: 1
Beijing Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
With the analysis among 8 patents, we discovered top 5 universities and scientific research institutions by total patent application. Tongji University, Beijing Institute of Technology, Zhejiang University are dominant in this area. They take 37.50% of the total patent filing.
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Zhejiang Sheng, China
Patent: 1