With the analysis among 31 patents, we discovered top 19 key players by total patent application. NEC Corp., Seiko Epson Corp., Mitsubishi Electric Corp. are dominant in this area. They take 32.26% of the total patent filing.
Nagano-ken, Japan
Patent: 3
Beijing Shi, China
Patent: 2
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With the analysis among related 10 patents applied in the last 5 years. We discover 10 most active companies in this area. The fast-growing China Road & Bridge Corp., Tokyo Electric Power Services Co., Ltd., Osaka University take 40.00% of patent filing during this period.
Beijing Shi, China
Patent: 2
Shanghai Shi, China
Patent: 1
Kanagawa-ken, Japan
Patent: 1
Shanghai Shi, China
Patent: 1
With the analysis among related 10 patents in last 5 years, we discover 9 new entrants. China Road & Bridge Corp., Tokyo Electric Power Services Co., Ltd., Osaka University are the most active new entrants in this area.
Beijing Shi, China
Patent: 2
Shanghai Shi, China
Patent: 1
Kanagawa-ken, Japan
Patent: 1
Shanghai Shi, China
Patent: 1
With the analysis among 9 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Beijing Shi, China
Patent: 1