With the analysis among 28 patents, we discovered top 20 key players by total patent application. Acrison, Inc., Agilent Technologies, Inc., NTN Corp. are dominant in this area. They take 28.57% of the total patent filing.
New Jersey, United States
Patent: 4
Agilent Technologies, Inc.
Beijing Shi, China
Patent: 2
Baden-Württemberg, Germany
Patent: 1
Tecumseh Products Co. LLC
Michigan, United States
Patent: 1
Beijing Urban Construction Design & Development Grp Co., Ltd
Beijing Shi, China
Patent: 1
Zhejiang Tiantie Industry Co. Ltd.
Zhejiang Sheng, China
Patent: 1
TTS Tooltechnic Systems Holding AG
Shanghai Civil Engineering Co., Ltd. of CREC
Shanghai Shi, China
Patent: 1
China Railway No. 3 Engineering Group Co., Ltd.
Shanxi Sheng, China
Patent: 1
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With the analysis among related 4 patents applied in the last 5 years. We discover 3 most active companies in this area.
Baden-Württemberg, Germany
Patent: 1
Jiexin Machinery Co., Ltd
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Patent: 1
Shanghai Keyirui Rail Transit Technology Co., Ltd.
Shanghai Shi, China
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 3 new entrants.
Baden-Württemberg, Germany
Patent: 1
Jiexin Machinery Co., Ltd
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Patent: 1
Shanghai Keyirui Rail Transit Technology Co., Ltd.
Shanghai Shi, China
Patent: 1
With the analysis among 2 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Aichi-ken, Japan
Patent: 1