With the analysis among 912 patents, we discovered top 485 key players by total patent application. Shell Internationale Research Maatschappij BV, Tongren Wanshan District Shenghe Mining Co., Ltd., Legrand SA are dominant in this area. They take 5.26% of the total patent filing.
Zuid-Holland, Netherlands
Patent: 19
Guizhou Sheng, China
Patent: 15
Beijing Shi, China
Patent: 10
Illinois, United States
Patent: 9
Hovedstaden, Denmark
Patent: 8
Kansas, United States
Patent: 8
Vaud, Switzerland
Patent: 7
Anhui Sheng, China
Patent: 7
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With the analysis among related 230 patents applied in the last 5 years. We discover 206 most active companies in this area. The fast-growing Anhui Xingyu Rail Equipment Co., Ltd., Zhejiang Daming Auto Parts Co., Ltd., Dalian Chenghe Precision Industrey Co. Ltd. take 6.52% of patent filing during this period.
Anhui Sheng, China
Patent: 7
Zhejiang Sheng, China
Patent: 4
Liaoning Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
With the analysis among related 230 patents in last 5 years, we discover 192 new entrants. Anhui Xingyu Rail Equipment Co., Ltd., Zhejiang Daming Auto Parts Co., Ltd., Dalian Chenghe Precision Industrey Co. Ltd. are the most active new entrants in this area.
Anhui Sheng, China
Patent: 7
Zhejiang Sheng, China
Patent: 4
Liaoning Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
With the analysis among 183 patents, we discovered top 78 universities and scientific research institutions by total patent application. Beijing University of Technology, Jiangnan University, South China University of Technology are dominant in this area. They take 7.65% of the total patent filing.
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Shandong Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2