2 Utility Patents
#15,086 in Beijing
#64,510 in China
Forward Citations = 1
Company Filing History:
China Academy of Railway Sciences Corporation Limited
China Academy of Railway Sciences Corporation Limited Signal & Communication Research Institute
Beijing Ruichi National Railway Intelligent Transport System Engineering Technology Co., Ltd.
4. 1 out of 1
Beijing Huatie Information Technology Co., Ltd.
5. 1 out of 2
Beijing Huatie Information Technology Corporation Ltd.
where one patent can have more than one assignee
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