With the analysis among 22 patents, we discovered top 20 key players by total patent application. Shandong Qilide Heavy Industry Group Co., Ltd., China Railway 12th Bureau Group Co., Ltd., China Road & Bridge Engineering Co. Ltd. are dominant in this area. They take 31.82% of the total patent filing.
Shandong Sheng, China
Patent: 3
Shanxi Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
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With the analysis among related 8 patents applied in the last 5 years. We discover 7 most active companies in this area. The fast-growing China Communications Road and Bridge South Engineering Co., Ltd., China Road & Bridge Engineering Co. Ltd., The 1st Engineering Co., Ltd. of China Railway 12th Bureau take 75.00% of patent filing during this period.
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 8 patents in last 5 years, we discover 7 new entrants. China Communications Road and Bridge South Engineering Co., Ltd., China Road & Bridge Engineering Co. Ltd., The 1st Engineering Co., Ltd. of China Railway 12th Bureau are the most active new entrants in this area.
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
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