With the analysis among 481 patents, we discovered top 220 key players by total patent application. CRRC Qingdao Sifang Co., Ltd., Changchun Railway Vehicles Co., Ltd., CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. are dominant in this area. They take 13.10% of the total patent filing.
Shandong Sheng, China
Patent: 24
Jilin Sheng, China
Patent: 23
Shandong Sheng, China
Patent: 16
Chiba-ken, Japan
Patent: 13
Tokyo-to, Japan
Patent: 12
California, United States
Patent: 12
Beijing Shi, China
Patent: 12
Hebei Sheng, China
Patent: 11
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 65 patents applied in the last 5 years. We discover 56 most active companies in this area. The fast-growing China Railway Siyuan Survey & Design Group Co., Ltd., Southwest Jiaotong University, TDK Corp. take 16.92% of patent filing during this period.
Hubei Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among related 65 patents in last 5 years, we discover 27 new entrants. Aramco Services Co., Huaqiao University, Myant, Inc. are the most active new entrants in this area.
Texas, United States
Patent: 1
Fujian Sheng, China
Patent: 1
Chungcheongnam-do, South Korea
Patent: 1
New York, United States
Patent: 1
Guangdong Sheng, China
Patent: 1
Jilin Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 177 patents, we discovered top 74 universities and scientific research institutions by total patent application. Jilin University, Southwest Jiaotong University, Shaanxi University of Science & Technology are dominant in this area. They take 14.12% of the total patent filing.
Jilin Sheng, China
Patent: 10
Sichuan Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Guangdong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Miyagi-ken, Japan
Patent: 4
Hunan Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3