With the analysis among 138 patents, we discovered top 63 key players by total patent application. Nissan Motor Co., Ltd., Hokkaido Railway Co., Daimler-Benz Aerospace AG are dominant in this area. They take 28.26% of the total patent filing.
Fukushima-ken, Japan
Patent: 17
Hokkaido, Japan
Patent: 14
Mitsubishi Heavy Industries, Ltd.
Tennessee, United States
Patent: 5
Chiba-ken, Japan
Patent: 4
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With the analysis among related 26 patents applied in the last 5 years. We discover 9 most active companies in this area. The fast-growing Telefonaktiebolaget LM Ericsson, Ford Global Technologies LLC, Yongkang Chenmao Industry and Trade Co., Ltd. take 26.92% of patent filing during this period.
Telefonaktiebolaget LM Ericsson
Ford Global Technologies LLC
Michigan, United States
Patent: 3
Zhejiang Sheng, China
Patent: 1
Zhongchuang Security Technology (Jiangsu) Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Guangzhou Public Transport Group Co., Ltd.
Guangdong Sheng, China
Patent: 1
Georgia, United States
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Anhui Sheng, China
Patent: 1
With the analysis among related 26 patents in last 5 years, we discover 7 new entrants. Telefonaktiebolaget LM Ericsson, Yongkang Chenmao Industry and Trade Co., Ltd., Zhongchuang Security Technology (Jiangsu) Co., Ltd. are the most active new entrants in this area.
Telefonaktiebolaget LM Ericsson
Zhejiang Sheng, China
Patent: 1
Zhongchuang Security Technology (Jiangsu) Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Guangzhou Public Transport Group Co., Ltd.
Guangdong Sheng, China
Patent: 1
Georgia, United States
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among 9 patents, we discovered top 4 universities and scientific research institutions by total patent application. Qingdao University of Science & Technology, Railway Technical Research Institute, Anhui University of Science & Technology are dominant in this area. They take 77.78% of the total patent filing.
Shandong Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1