With the analysis among 336 patents, we discovered top 228 key players by total patent application. Praxair Technology, Inc., Nikon Corp., Topcon Corp. are dominant in this area. They take 7.44% of the total patent filing.
Connecticut, United States
Patent: 9
Texas, United States
Patent: 6
Beijing Shi, China
Patent: 5
Tianjin Shi, China
Patent: 5
Mitsubishi Heavy Industries, Ltd.
Beijing Shi, China
Patent: 4
Aichi-ken, Japan
Patent: 4
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With the analysis among related 36 patents applied in the last 5 years. We discover 33 most active companies in this area. The fast-growing PetroChina Co., Ltd., Qingdao Atd Railway Equipment Co. Ltd., Hainan University take 16.67% of patent filing during this period.
Beijing Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Hainan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
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Patent: 1
Henan Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among related 36 patents in last 5 years, we discover 27 new entrants. Qingdao Atd Railway Equipment Co. Ltd., Hainan University, Nanjing Hydraulic Research Institute are the most active new entrants in this area.
Shandong Sheng, China
Patent: 2
Hainan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
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Patent: 1
Henan Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Fujian Sheng, China
Patent: 1
With the analysis among 108 patents, we discovered top 50 universities and scientific research institutions by total patent application. Nanjing University, Tongji University, Wuhan University are dominant in this area. They take 9.26% of the total patent filing.
Jiangsu Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Hunan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2