With the analysis among 1,126 patents, we discovered top 483 key players by total patent application. ConXtech, Inc., Amsted Rail Co., Inc., Guangdong Provincial ChangDa Highway Engineering Co. Ltd. are dominant in this area. They take 3.37% of the total patent filing.
California, United States
Patent: 14
Illinois, United States
Patent: 12
Guangdong Sheng, China
Patent: 12
California, United States
Patent: 11
Beijing Shi, China
Patent: 8
Jiangsu Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Heilongjiang Sheng, China
Patent: 6
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Tianjin Shi, China
Patent: 1
With the analysis among related 1,061 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Amsted Rail Co., Inc., Guangdong Provincial ChangDa Highway Engineering Co. Ltd., Channell Commercial Corp. take 3.30% of patent filing during this period.
Illinois, United States
Patent: 12
Guangdong Sheng, China
Patent: 12
California, United States
Patent: 11
Beijing Shi, China
Patent: 10
Jiangsu Sheng, China
Patent: 10
Beijing Shi, China
Patent: 8
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Patent: 6
Shandong Sheng, China
Patent: 6
Heilongjiang Sheng, China
Patent: 6
With the analysis among related 1,061 patents in last 5 years, we discover 479 new entrants. Amsted Rail Co., Inc., Guangdong Provincial ChangDa Highway Engineering Co. Ltd., Channell Commercial Corp. are the most active new entrants in this area.
Illinois, United States
Patent: 12
Guangdong Sheng, China
Patent: 12
California, United States
Patent: 11
Beijing Shi, China
Patent: 10
Jiangsu Sheng, China
Patent: 10
Beijing Shi, China
Patent: 8
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Patent: 6
Shandong Sheng, China
Patent: 6
Heilongjiang Sheng, China
Patent: 6
With the analysis among 194 patents, we discovered top 57 universities and scientific research institutions by total patent application. Beijing University of Technology, Nanjing Forestry University, Xi'an University of Architecture & Technology are dominant in this area. They take 13.40% of the total patent filing.
Beijing Shi, China
Patent: 10
Jiangsu Sheng, China
Patent: 10
Shaanxi Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Jiangxi Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Heilongjiang Sheng, China
Patent: 2