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Patent applications and USPTO patent grants for Liu; Yingyu.The latest application filed is for "system and method for authorization and authentication, server, transit terminal".
Patent | Date |
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Electrically adjustable antenna control system and method Grant 9,065,381 - Liu , et al. June 23, 2 | 2015-06-23 |
System And Method For Authorization And Authentication, Server, Transit Terminal App 20150067892 - ZUO; Fengrui ;   et al. | 2015-03-05 |
Electrically Adjustable Antenna Control System and Method App 20140197763 - Liu; Yingyu ;   et al. | 2014-07-17 |
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