With the analysis among 36 patents, we discovered top 33 key players by total patent application. Ricoh Co., Ltd., JFE Engineering Corp., CCCC First Harbor Engineering Co., Ltd. are dominant in this area. They take 19.44% of the total patent filing.
Tianjin Shi, China
Patent: 2
Nagano-ken, Japan
Patent: 1
Shanghai Shi, China
Patent: 1
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With the analysis among related 4 patents applied in the last 5 years. We discover 8 most active companies in this area. The fast-growing CCCC First Harbor Engineering Co., Ltd., CCCC Highway Consultants Co., Ltd., Shanghai Tunnel Engr & Rail Traffic Design & Research Inst take 100.00% of patent filing during this period.
Tianjin Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
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Patent: 1
Shandong Sheng, China
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 8 new entrants. CCCC First Harbor Engineering Co., Ltd., CCCC Highway Consultants Co., Ltd., Shanghai Tunnel Engr & Rail Traffic Design & Research Inst are the most active new entrants in this area.
Tianjin Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
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Patent: 1
Shandong Sheng, China
Patent: 1
With the analysis among 6 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Beijing Shi, China
Patent: 1
Chongqing Shi, China
Patent: 1