Patents by Inventor Honoka Enomoto

Honoka Enomoto 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).

  • Patent number: 11521669
    Abstract: An apparatus may include multiple address registers each storing an address signal and multiple counter circuits each storing a count value corresponding to an associated one of the address registers. The apparatus may include a first circuit cyclically selecting one of the address registers in response to a first signal, a second circuit selecting one of the address registers based on the count value of each of the counter circuits, and a third circuit activating a second signal when the first and second circuits select the same one of the address registers.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: December 6, 2022
    Assignee: MICRON TECHNOLOGY, INC.
    Inventors: Honoka Enomoto, Masaru Morohashi
  • Patent number: 11222682
    Abstract: Apparatuses and methods for generating refresh addresses for row hammer refresh operations are disclosed. In some examples, determination of a row address associated with a highest count value may be initiated at a precharge command preceding a row hammer refresh operation. The row address determined to be associated with the highest count value may be provided for generating the refresh addresses.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: January 11, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Honoka Enomoto, Masaru Morohashi
  • Publication number: 20210225432
    Abstract: Disclosed herein is an apparatus that includes a plurality of address registers each storing an address signal, a plurality of counter circuits each storing a count value corresponding to an associated one of the address registers, a first circuit cyclically selecting one of the address registers in response to a first signal, a second circuit selecting one of the address registers based on the count value of each of the counter circuits, and a third circuit activating a second signal when the first and second circuits select the same one of the address registers.
    Type: Application
    Filed: April 6, 2021
    Publication date: July 22, 2021
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Honoka Enomoto, Masaru Morohashi
  • Patent number: 11043254
    Abstract: An apparatus may include multiple address registers each storing an address signal and multiple counter circuits each storing a count value corresponding to an associated one of the address registers. The apparatus may include a first circuit cyclically selecting one of the address registers in response to a first signal, a second circuit selecting one of the address registers based on the count value of each of the counter circuits, and a third circuit activating a second signal when the first and second circuits select the same one of the address registers.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: June 22, 2021
    Assignee: Micron Technology, Inc.
    Inventors: Honoka Enomoto, Masaru Morohashi
  • Publication number: 20200302994
    Abstract: Disclosed herein is an apparatus that includes a plurality of address registers each storing an address signal, a plurality of counter circuits each storing a count value corresponding to an associated one of the address registers, a first circuit cyclically selecting one of the address registers in response to a first signal, a second circuit selecting one of the address registers based on the count value of each of the counter circuits, and a third circuit activating a second signal when the first and second circuits select the same one of the address registers.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 24, 2020
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Honoka Enomoto, Masaru Morohashi