With the analysis among 309 patents, we discovered top 126 key players by total patent application. Minus K Technology, Inc., HRL Laboratories LLC, GM Global Technology Operations LLC are dominant in this area. They take 22.65% of the total patent filing.
California, United States
Patent: 24
GM Global Technology Operations LLC
Michigan, United States
Patent: 18
Drenthe, Netherlands
Patent: 15
Matsushita Electronics Corp.
Osaka-fu, Japan
Patent: 10
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 9
Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 9
Kanagawa-ken, Japan
Patent: 8
Bell Helicopter Textron, Inc.
Texas, United States
Patent: 7
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 449 patents applied in the last 5 years. We discover 151 most active companies in this area. The fast-growing Harbin Institute of Technology, Huazhong University of Science & Technology, Hunan University take 17.59% of patent filing during this period.
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 38
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 22
Hunan Sheng, China
Patent: 19
Beijing University of Technology
Beijing Shi, China
Patent: 18
Shanghai Shi, China
Patent: 17
Beijing Institute of Labor Protection Science
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Patent: 17
Jiangsu Sheng, China
Patent: 12
Chongqing Shi, China
Patent: 11
Drenthe, Netherlands
Patent: 11
Shanghai Shi, China
Patent: 10
With the analysis among related 449 patents in last 5 years, we discover 115 new entrants. Chongqing University, China Academy of Railway Sciences Group Co. Ltd., Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd. are the most active new entrants in this area.
Chongqing Shi, China
Patent: 11
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 9
Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 9
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 7
Liaoning Sheng, China
Patent: 7
Hefei University of Technology
Anhui Sheng, China
Patent: 6
East China Jiaotong University
Jiangxi Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 5
Wuhan University of Technology
Hubei Sheng, China
Patent: 4
With the analysis among 521 patents, we discovered top 84 universities and scientific research institutions by total patent application. Harbin Institute of Technology, Huazhong University of Science & Technology, Hunan University are dominant in this area. They take 18.81% of the total patent filing.
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 43
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 31
Hunan Sheng, China
Patent: 24
Beijing University of Technology
Beijing Shi, China
Patent: 23
Shanghai Shi, China
Patent: 21
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 15
Jiangsu Sheng, China
Patent: 14
Naval University of Engineering
Shanghai Shi, China
Patent: 13
Jiangsu Sheng, China
Patent: 13