With the analysis among 3,051 patents, we discovered top 473 key players by total patent application. Westinghouse Brake & Signal Co. Ltd., Mitsubishi Electric Corp., Siemens AG are dominant in this area. They take 3.97% of the total patent filing.
Tokyo-to, Japan
Patent: 41
Bayern, Germany
Patent: 37
Beijing Shi, China
Patent: 37
Tokyo-to, Japan
Patent: 29
Tokyo-to, Japan
Patent: 26
Tokyo-to, Japan
Patent: 26
Osaka-fu, Japan
Patent: 23
Noord-Holland, Netherlands
Patent: 20
With the analysis among 19 patents, we discovered top 5 start-ups by total patent application. Zasso Group AG, Englishco LLC, Nalu Medical, Inc. are active in this area.
Zug, Switzerland
Patent: 8
New York, United States
Patent: 6
California, United States
Patent: 2
Zhejiang Sheng, China
Patent: 1
With the analysis among related 527 patents applied in the last 5 years. We discover 358 most active companies in this area. The fast-growing Xi'an Jiaotong University, State Grid Corp. of China, Zhejiang University of Technology take 7.40% of patent filing during this period.
Shaanxi Sheng, China
Patent: 15
Beijing Shi, China
Patent: 13
Zhejiang Sheng, China
Patent: 11
Zug, Switzerland
Patent: 8
Jiangsu Sheng, China
Patent: 7
Zhejiang Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 7
Heilongjiang Sheng, China
Patent: 6
Heilongjiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
With the analysis among related 527 patents in last 5 years, we discover 266 new entrants. Zasso Group AG, Taiyuan University of Science & Technology, Huadian Electric Power Research Institute Co., Ltd. are the most active new entrants in this area.
Zug, Switzerland
Patent: 8
Shanxi Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 4
Shanxi Sheng, China
Patent: 4
Texas, United States
Patent: 3
Beijing Shi, China
Patent: 3
With the analysis among 676 patents, we discovered top 167 universities and scientific research institutions by total patent application. Zhejiang University, Xi'an Jiaotong University, North China Electric Power University are dominant in this area. They take 8.14% of the total patent filing.
Zhejiang Sheng, China
Patent: 19
Shaanxi Sheng, China
Patent: 18
Beijing Shi, China
Patent: 18
Shandong Sheng, China
Patent: 15
Jiangsu Sheng, China
Patent: 15
Zhejiang Sheng, China
Patent: 12
Jiangsu Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 11
Heilongjiang Sheng, China
Patent: 11
Beijing Shi, China
Patent: 10