Calvinson Chang

4 Patents

• US123462192025

  Method for a Charging Unit That Backs Up Data Stored on a Mobile Device

  Vinpower Inc.

  0 cites
• US121196802024

  Charging Apparatus Having Backup Function

  Vinpower Inc.

  0 cites
• US118160022023

  Method for a Data Backup Unit to Intelligently Charge a Mobile Device

  VINPOWER Inc.

  0 cites
• US117554232023

  Mobile Device for Protecting Data Stored in Data Backup Device and Data Protection Method Thereof

  Vinpower Inc.

  0 cites