Patents by Inventor Min-Yao Mei

Min-Yao Mei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Data backup method, data recovery method and storage controller
    Patent number: 10372619
    Abstract: A data backup method is provided. The data backup method includes maintaining a logical-to-physical table (L2P table) in a memory, where the L2P table records a plurality of physical addresses respectively corresponding to a plurality of first logical addresses and a plurality of trim marks; receiving a trim command, wherein the trim command indicates that data stored in one or more second logical addresses is invalid; according to the trim command, not clearing physical addresses respectively corresponding to the second logical addresses in the L2P table, and changing trim marks respectively corresponding to the second logical addresses from a first bit value to a second bit value; and when a predetermined condition is met, updating the L2P table according to the trim marks, and storing the updated L2P table into a rewritable non-volatile memory module.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: August 6, 2019
    Assignee: SHENZHEN EPOSTAR ELECTRONICS LIMITED CO.
    Inventors: Shih-Tien Liao, Min-Yao Mei, Hao-Cing Jhou
  • DATA BACKUP METHOD, DATA RECOVERY METHOD AND STORAGE CONTROLLER
    Publication number: 20190087348
    Abstract: A data backup method is provided. The data backup method includes maintaining a logical-to-physical table (L2P table) in a memory, where the L2P table records a plurality of physical addresses respectively corresponding to a plurality of first logical addresses and a plurality of trim marks; receiving a trim command, wherein the trim command indicates that data stored in one or more second logical addresses is invalid; according to the trim command, not clearing physical addresses respectively corresponding to the second logical addresses in the L2P table, and changing trim marks respectively corresponding to the second logical addresses from a first bit value to a second bit value; and when a predetermined condition is met, updating the L2P table according to the trim marks, and storing the updated L2P table into a rewritable non-volatile memory module.
    Type: Application
    Filed: February 27, 2018
    Publication date: March 21, 2019
    Applicant: EpoStar Electronics Corp.
    Inventors: Shih-Tien Liao, Min-Yao Mei, Hao-Cing Jhou