Patents by Inventor Yohei HAZAMA

Yohei HAZAMA 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).

  • Flash memory device
    Patent number: 10229742
    Abstract: A flash memory controller is configured to hold a read pattern defining an order of selection of read options specifying a parameter value for a read from the flash memory chip. The flash memory controller is configured to execute error correction on data read from the flash memory chip in accordance with the read command. The flash memory controller is configured to designate a next read option specified in the read pattern to read the data from the flash memory chip in a case where all errors in the read data are not corrected by the error correction.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: March 12, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Yohei Hazama, Junji Ogawa, Kenta Ninose
  • FLASH MEMORY DEVICE
    Publication number: 20180061498
    Abstract: A flash memory controller is configured to hold a read pattern defining an order of selection of read options specifying a parameter value for a read from the flash memory chip. The flash memory controller is configured to execute error correction on data read from the flash memory chip in accordance with the read command. The flash memory controller is configured to designate a next read option specified in the read pattern to read the data from the flash memory chip in a case where all errors in the read data are not corrected by the error correction.
    Type: Application
    Filed: June 19, 2015
    Publication date: March 1, 2018
    Applicant: Hitachi, Ltd.
    Inventors: Yohei HAZAMA, Junji OGAWA, Kenta NINOSE