With the analysis among 411 patents, we discovered top 140 key players by total patent application. Siemens AG, Thales Management & Services Deutschland GmbH, Alcatel-Lucent SAS are dominant in this area. They take 25.79% of the total patent filing.
Bayern, Germany
Patent: 63
Guangdong Sheng, China
Patent: 13
Traffic Control Technology Co., Ltd.
Beijing Shi, China
Patent: 11
Anhui Sheng, China
Patent: 7
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With the analysis among related 113 patents applied in the last 5 years. We discover 55 most active companies in this area. The fast-growing Thales Management & Services Deutschland GmbH, BYD Co., Ltd., Siemens Mobility GmbH take 27.43% of patent filing during this period.
Guangdong Sheng, China
Patent: 8
Traffic Control Technology Co., Ltd.
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
With the analysis among related 113 patents in last 5 years, we discover 39 new entrants. Casco Signal Co. Ltd., Chengdu Railway Communication Equipment Factory, Beijing Railway Signal Co., Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
With the analysis among 34 patents, we discovered top 10 universities and scientific research institutions by total patent application. Beijing Jiaotong University, Harbin Institute of Technology, Southwest Jiaotong University are dominant in this area. They take 23.53% of the total patent filing.
Beijing Shi, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Anhui Sheng, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1