PROBLEM TO BE SOLVED: To disclose a memo synchronization system for synchronizing memo data, a mobile system and a memo synchronization method.;SOLUTION: The memo synchronization system includes a user recognition part for receiving authentication information from a mobile terminal by a memo application installed in the mobile terminal of a user and authenticating the user, and a synchronization part for synchronizing memo data stored in the mobile terminal on the basis of a synchronization request transmitted from the mobile terminal by the memo application with memo data generated by an Internet memo service provided to the user and stored in a web storage space of the Internet memo service. Here, the synchronization request includes a manual synchronization request generated by a memo application in association with an already set event generated by the user.;COPYRIGHT: (C)2013,JPO&INPIT
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