Patents by Inventor Kaihei KATO

Kaihei KATO 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).

  • Publication number: 20230262973
    Abstract: A semiconductor storage device includes a substrate having a surface, a first conductive layer 25 disposed on a substrate and extending in an X direction parallel to the surface of the substrate; a second conductive layer 25 that disposed on the first conductive layer 25 and extending in the X direction; an insulation plug 30 disposed on the substrate, extends in a Z direction intersecting with the X direction, and intersects with the first conductive layer 25; and a contact plug CC disposed on the first insulation plug 30, extends in the Z direction, and intersects with the second conductive layer 25.
    Type: Application
    Filed: April 24, 2023
    Publication date: August 17, 2023
    Applicant: Kioxia Corporation
    Inventors: Kaihei KATO, Takashi FUKUSHIMA, Kazutaka SUZUKI
  • Patent number: 11672113
    Abstract: A semiconductor storage device includes a substrate having a surface, a first conductive layer 25 disposed on a substrate and extending in an X direction parallel to the surface of the substrate; a second conductive layer 25 that disposed on the first conductive layer 25 and extending in the X direction; an insulation plug 30 disposed on the substrate, extends in a Z direction intersecting with the X direction, and intersects with the first conductive layer 25; and a contact plug CC disposed on the first insulation plug 30, extends in the Z direction, and intersects with the second conductive layer 25.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: June 6, 2023
    Assignee: KIOXIA CORPORATION
    Inventors: Kaihei Kato, Takashi Fukushima, Kazutaka Suzuki
  • Publication number: 20210159239
    Abstract: A semiconductor storage device includes a substrate having a surface, a first conductive layer 25 disposed on a substrate and extending in an X direction parallel to the surface of the substrate; a second conductive layer 25 that disposed on the first conductive layer 25 and extending in the X direction; an insulation plug 30 disposed on the substrate, extends in a Z direction intersecting with the X direction, and intersects with the first conductive layer 25; and a contact plug CC disposed on the first insulation plug 30, extends in the Z direction, and intersects with the second conductive layer 25.
    Type: Application
    Filed: August 31, 2020
    Publication date: May 27, 2021
    Applicant: Kioxia Corporation
    Inventors: Kaihei KATO, Takashi FUKUSHIMA, Kazutaka SUZUKI