With the analysis among 603 patents, we discovered top 475 key players by total patent application. Zhengzhou Tongding Machinery Equipment Co., Ltd., China Railway No. 3 Engineering Group Co., Ltd., China MCC 20 Group Co., Ltd. are dominant in this area. They take 4.15% of the total patent filing.
Henan Sheng, China
Patent: 10
Shanxi Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Hebei Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 5
Hubei Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
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With the analysis among related 517 patents applied in the last 5 years. We discover 412 most active companies in this area. The fast-growing Zhengzhou Tongding Machinery Equipment Co., Ltd., China Railway No. 3 Engineering Group Co., Ltd., China 22MCC Group Co. Ltd. take 3.48% of patent filing during this period.
Henan Sheng, China
Patent: 8
Shanxi Sheng, China
Patent: 5
Hebei Sheng, China
Patent: 5
Ningxia Huizi Zizhiqu, China
Patent: 4
Tianjin Shi, China
Patent: 4
Hubei Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Fujian Sheng, China
Patent: 3
With the analysis among related 517 patents in last 5 years, we discover 388 new entrants. China 22MCC Group Co. Ltd., Ningxia University, China Railway 18th Bureau Group Co., Ltd. are the most active new entrants in this area.
Hebei Sheng, China
Patent: 5
Ningxia Huizi Zizhiqu, China
Patent: 4
Tianjin Shi, China
Patent: 4
Hubei Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Fujian Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
M-Grass Ecology & Environment Group Co. Ltd.
Nei Mongol Zizhiqu, China
Patent: 3
Sichuan Sheng, China
Patent: 3
With the analysis among 164 patents, we discovered top 54 universities and scientific research institutions by total patent application. Northwest Normal University, Ningxia University, Tongji University are dominant in this area. They take 12.20% of the total patent filing.
Gansu Sheng, China
Patent: 6
Ningxia Huizi Zizhiqu, China
Patent: 4
Shanghai Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2