Patents by Inventor Noaki TAGAMI

Noaki TAGAMI 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).

  • Magnetic disk device and method of write processing of postcode
    Patent number: 11657834
    Abstract: According to one embodiment, a magnetic disk device includes a disk including a first region with a first format efficiency and a second region with a second format efficiency lower than the first format efficiency, a head that writes data to the disk and reads data from the disk, and a controller that selects a first postcode to be written to the first region from a plurality of postcodes with different lengths and writes the first postcode to the first region, and selects a second postcode to be written to the second region from a plurality of postcodes with different lengths and writes the second postcode to the second region.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 23, 2023
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventor: Noaki Tagami
  • MAGNETIC DISK DEVICE AND METHOD OF WRITE PROCESSING OF POSTCODE
    Publication number: 20220301584
    Abstract: According to one embodiment, a magnetic disk device includes a disk including a first region with a first format efficiency and a second region with a second format efficiency lower than the first format efficiency, a head that writes data to the disk and reads data from the disk, and a controller that selects a first postcode to be written to the first region from a plurality of postcodes with different lengths and writes the first postcode to the first region, and selects a second postcode to be written to the second region from a plurality of postcodes with different lengths and writes the second postcode to the second region.
    Type: Application
    Filed: September 7, 2021
    Publication date: September 22, 2022
    Inventor: Noaki TAGAMI