Patents by Inventor Hanae Ishihara

Hanae Ishihara 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: 20250203868
    Abstract: According to an embodiment, a semiconductor memory device includes a substrate, a stacked body, a plurality of first members, and at least one first insulating member. The stacked body is provided on the substrate and includes a plurality of electrode layers. The electrode layers are stacked apart from each other in a first direction and extend in a second direction parallel to an upper surface of the substrate. The first members are provided in the stacked body and extend in the first direction and the second direction. The first insulating member is provided in the stacked body and extends in the first direction and a third direction so that the electrode layers are divided into a plurality of regions in the second direction, the third direction intersecting with the second direction and being parallel to the upper surface of the substrate.
    Type: Application
    Filed: March 4, 2025
    Publication date: June 19, 2025
    Applicant: Kioxia Corporation
    Inventors: Go OIKE, Hanae ISHIHARA
  • Patent number: 12268002
    Abstract: According to an embodiment, a semiconductor memory device includes a substrate, a stacked body, a plurality of first members, and at least one first insulating member. The stacked body is provided on the substrate and includes a plurality of electrode layers. The electrode layers are stacked apart from each other in a first direction and extend in a second direction parallel to an upper surface of the substrate. The first members are provided in the stacked body and extend in the first direction and the second direction. The first insulating member is provided in the stacked body and extends in the first direction and a third direction so that the electrode layers are divided into a plurality of regions in the second direction, the third direction intersecting with the second direction and being parallel to the upper surface of the substrate.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: April 1, 2025
    Assignee: Kioxia Corporation
    Inventors: Go Oike, Hanae Ishihara
  • Publication number: 20240324198
    Abstract: A device includes a first region including first semiconductor pillars extending through first conductive layers; a second region including second semiconductor pillars extending through second conductive layers; and a third region disposed between the first region and the second region and including insulator columns extending through third conductive layers. The third region includes a fourth region and a fifth region. In the fourth region, one third conductive layer electrically connects one first conductive layer and one second conductive layer to each other, and in the fifth region, one third conductive layer is connected to a contact plug. A first diameter of a first subset of the insulator columns provided in the fourth region is smaller than a second diameter of a second subset of the insulator columns provided in the fifth region.
    Type: Application
    Filed: June 4, 2024
    Publication date: September 26, 2024
    Applicant: Kioxia Corporation
    Inventor: Hanae ISHIHARA
  • Patent number: 12041772
    Abstract: A device includes a first region including first semiconductor pillars extending through first conductive layers; a second region including second semiconductor pillars extending through second conductive layers; and a third region disposed between the first region and the second region and including insulator columns extending through third conductive layers. The third region includes a fourth region and a fifth region. In the fourth region, one third conductive layer electrically connects one first conductive layer and one second conductive layer to each other, and in the fifth region, one third conductive layer is connected to a contact plug. A first diameter of a first subset of the insulator columns provided in the fourth region is smaller than a second diameter of a second subset of the insulator columns provided in the fifth region.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: July 16, 2024
    Assignee: KIOXIA CORPORATION
    Inventor: Hanae Ishihara
  • Publication number: 20240194596
    Abstract: In one embodiment, a semiconductor device includes a substrate, a first stacked film provided above the substrate, includes a plurality of electrode layers and a plurality of first insulators that are alternately stacked in a first direction, and included in a memory cell array, and a second stacked film provided above the substrate, includes one or more first insulators of the plurality of first insulators, and one or more first films that are stacked alternately with the one or more first insulators in the first direction. The device further includes a first plug provided in the second stacked film, and a first interconnect layer provided on the memory cell array and the first plug, and electrically connected to the memory cell array and the first plug.
    Type: Application
    Filed: August 30, 2023
    Publication date: June 13, 2024
    Applicant: Kioxia Corporation
    Inventor: Hanae ISHIHARA
  • Patent number: 11942421
    Abstract: A semiconductor memory device includes a semiconductor substrate, a memory cell array, and first and second wirings. The semiconductor substrate includes first region to third region and fourth region to sixth region. The memory cell array includes first conducting layers extending in a second direction from the first region to the third region and laminated in a first direction, first and second semiconductor layers disposed in the first and third regions, extending in the first direction, and opposed to the first conducting layers, first and second contacts disposed in the fourth and sixth regions and extending in the first direction, and a third semiconductor layer disposed in the fifth region and extending in the first direction. The first wiring is connected to the first semiconductor layer and the second contact. The second wiring is connected to the second semiconductor layer and the third contact.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: March 26, 2024
    Assignee: Kioxia Corporation
    Inventors: Kaito Shirai, Hanae Ishihara
  • Publication number: 20230234243
    Abstract: An end effector includes: a linkage mechanism coupled to a tip of a robot arm. Further, the linkage mechanism includes openable and closable arm portions provided on a tip side of the linkage mechanism, and grip portions acquired by extension of the arm portions.
    Type: Application
    Filed: January 18, 2023
    Publication date: July 27, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeru SHIRASAWA, Atsushi USHIRONE, Hana ISHIHARA, Yuya TAKIGUCHI, Taiga MURAMATSU, Yukiyasu DOMAE, Ryuichi TAKASE
  • Patent number: 11696446
    Abstract: A semiconductor storage device includes a memory cell array including a stacked body having insulating layers and conductive layers that are alternately stacked. The memory cell array includes a cell area and a contact area provided adjacent the cell area. The semiconductor storage device includes: a circuit below the memory cell array; a source layer between the memory cell array and the circuit; a first contact in the contact area, and coupled to the circuit; a second contact over the cell area and the contact area; a first wiring extending in a direction intersecting an extending direction of the second contact in the contact area; a second wiring above the second contact, extending along the second contact in the contact area, and connected to the first wiring; and third contacts between the second wiring and the second contact.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: July 4, 2023
    Assignee: KIOXIA CORPORATION
    Inventor: Hanae Ishihara
  • Publication number: 20230113904
    Abstract: According to an embodiment, a semiconductor memory device includes a substrate, a stacked body, a plurality of first members, and at least one first insulating member. The stacked body is provided on the substrate and includes a plurality of electrode layers. The electrode layers are stacked apart from each other in a first direction and extend in a second direction parallel to an upper surface of the substrate. The first members are provided in the stacked body and extend in the first direction and the second direction. The first insulating member is provided in the stacked body and extends in the first direction and a third direction so that the electrode layers are divided into a plurality of regions in the second direction, the third direction intersecting with the second direction and being parallel to the upper surface of the substrate.
    Type: Application
    Filed: December 13, 2022
    Publication date: April 13, 2023
    Applicant: Kioxia Corporation
    Inventors: Go OIKE, Hanae ISHIHARA
  • Patent number: 11557605
    Abstract: According to an embodiment, a semiconductor memory device includes a substrate, a stacked body, a plurality of first members, and at least one first insulating member. The stacked body is provided on the substrate and includes a plurality of electrode layers. The electrode layers are stacked apart from each other in a first direction and extend in a second direction parallel to an upper surface of the substrate. The first members are provided in the stacked body and extend in the first direction and the second direction. The first insulating member is provided in the stacked body and extends in the first direction and a third direction so that the electrode layers are divided into a plurality of regions in the second direction, the third direction intersecting with the second direction and being parallel to the upper surface of the substrate.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: January 17, 2023
    Assignee: Kioxia Corporation
    Inventors: Go Oike, Hanae Ishihara
  • Publication number: 20220375855
    Abstract: A semiconductor memory device includes a semiconductor substrate, a memory cell array, and first and second wirings. The semiconductor substrate includes first region to third region and fourth region to sixth region. The memory cell array includes first conducting layers extending in a second direction from the first region to the third region and laminated in a first direction, first and second semiconductor layers disposed in the first and third regions, extending in the first direction, and opposed to the first conducting layers, first and second contacts disposed in the fourth and sixth regions and extending in the first direction, and a third semiconductor layer disposed in the fifth region and extending in the first direction. The first wiring is connected to the first semiconductor layer and the second contact. The second wiring is connected to the second semiconductor layer and the third contact.
    Type: Application
    Filed: August 3, 2022
    Publication date: November 24, 2022
    Applicant: Kioxia Corporation
    Inventors: Kaito SHIRAI, Hanae ISHIHARA
  • Patent number: 11444022
    Abstract: A semiconductor memory device includes a semiconductor substrate, a memory cell array, and first and second wirings. The semiconductor substrate includes first region to third region and fourth region to sixth region. The memory cell array includes first conducting layers extending in a second direction from the first region to the third region and laminated in a first direction, first and second semiconductor layers disposed in the first and third regions, extending in the first direction, and opposed to the first conducting layers, first and second contacts disposed in the fourth and sixth regions and extending in the first direction, and a third semiconductor layer disposed in the fifth region and extending in the first direction. The first wiring is connected to the first semiconductor layer and the second contact. The second wiring is connected to the second semiconductor layer and the third contact.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: September 13, 2022
    Assignee: Kioxia Corporation
    Inventors: Kaito Shirai, Hanae Ishihara
  • Publication number: 20220254800
    Abstract: A device includes a first region including first semiconductor pillars extending through first conductive layers; a second region including second semiconductor pillars extending through second conductive layers; and a third region disposed between the first region and the second region and including insulator columns extending through third conductive layers. The third region includes a fourth region and a fifth region. In the fourth region, one third conductive layer electrically connects one first conductive layer and one second conductive layer to each other, and in the fifth region, one third conductive layer is connected to a contact plug. A first diameter of a first subset of the insulator columns provided in the fourth region is smaller than a second diameter of a second subset of the insulator columns provided in the fifth region.
    Type: Application
    Filed: August 26, 2021
    Publication date: August 11, 2022
    Applicant: Kioxia Corporation
    Inventor: Hanae ISHIHARA
  • Patent number: 11387251
    Abstract: A memory device includes a substrate, first, second, and third conductive layers, a stack of fourth conductive layers, a memory pillar, and an insulator. The first, second, and third conductive layer are provided above the substrate. The stack of fourth conductive layers is provided above the third conductive layer. The memory pillar extends in the thickness direction through the stack and the third conductive layer and into the second conductive layer in a first region of the memory device. The insulator extends in a thickness direction through the stack, the third conductive layer, and the second conductive layer in a second region of the memory device. The insulator also extends in a second surface direction of the substrate. A thickness of the third conductive layer in a region through which the insulator extends is greater than a thickness of the third conductive layer in the first region.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: July 12, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Shigeki Kobayashi, Toru Matsuda, Hanae Ishihara
  • Publication number: 20210287985
    Abstract: A semiconductor memory device includes a semiconductor substrate, a memory cell array, and first and second wirings. The semiconductor substrate includes first region to third region and fourth region to sixth region. The memory cell array includes first conducting layers extending in a second direction from the first region to the third region and laminated in a first direction, first and second semiconductor layers disposed in the first and third regions, extending in the first direction, and opposed to the first conducting layers, first and second contacts disposed in the fourth and sixth regions and extending in the first direction, and a third semiconductor layer disposed in the fifth region and extending in the first direction. The first wiring is connected to the first semiconductor layer and the second contact. The second wiring is connected to the second semiconductor layer and the third contact.
    Type: Application
    Filed: August 31, 2020
    Publication date: September 16, 2021
    Applicant: Kioxia Corporation
    Inventors: Kaito Shirai, Hanae Ishihara
  • Publication number: 20210225860
    Abstract: A semiconductor storage device includes a memory cell array including a stacked body having insulating layers and conductive layers that are alternately stacked. The memory cell array includes a cell area and a contact area provided adjacent the cell area. The semiconductor storage device includes: a circuit below the memory cell array; a source layer between the memory cell array and the circuit; a first contact in the contact area, and coupled to the circuit; a second contact over the cell area and the contact area; a first wiring extending in a direction intersecting an extending direction of the second contact in the contact area; a second wiring above the second contact, extending along the second contact in the contact area, and connected to the first wiring; and third contacts between the second wiring and the second contact.
    Type: Application
    Filed: September 2, 2020
    Publication date: July 22, 2021
    Applicant: Kioxia Corporation
    Inventor: Hanae ISHIHARA
  • Patent number: 10991708
    Abstract: A semiconductor device of the embodiment includes a stacked body, a first insulating layer, first and second staircase portions 2, and a second insulating layer 46. The stacked body includes a first electrode layer 41 (WLDD) and a second electrode layer 41 (SGD). The first and second staircase portions 2 are provided in a first end portion 101 a second end region 102. The second insulating layer 46 extends in the X-direction. The second insulating layer divides the second electrode layer 41 (SGD) in the X-direction direction. A length L1 in the X-direction of the second insulating layer 46 is longer than a length L2 in the x-direction of the second electrode layer 41 (SGD) and shorter than a length L3 in the X-direction of the first electrode layer 41 (WLDD).
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: April 27, 2021
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Wataru Sakamoto, Hiroshi Nakaki, Hanae Ishihara
  • Publication number: 20210098492
    Abstract: According to an embodiment, a semiconductor memory device includes a substrate, a stacked body, a plurality of first members, and at least one first insulating member. The stacked body is provided on the substrate and includes a plurality of electrode layers. The electrode layers are stacked apart from each other in a first direction and extend in a second direction parallel to an upper surface of the substrate. The first members are provided in the stacked body and extend in the first direction and the second direction. The first insulating member is provided in the stacked body and extends in the first direction and a third direction so that the electrode layers are divided into a plurality of regions in the second direction, the third direction intersecting with the second direction and being parallel to the upper surface of the substrate.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 1, 2021
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Go OIKE, Hanae ISHIHARA
  • Publication number: 20210082947
    Abstract: A memory device includes a substrate, first, second, and third conductive layers, a stack of fourth conductive layers, a memory pillar, and an insulator. The first, second, and third conductive layer are provided above the substrate. The stack of fourth conductive layers is provided above the third conductive layer. The memory pillar extends in the thickness direction through the stack and the third conductive layer and into the second conductive layer in a first region of the memory device. The insulator extends in a thickness direction through the stack, the third conductive layer, and the second conductive layer in a second region of the memory device. The insulator also extends in a second surface direction of the substrate. A thickness of the third conductive layer in a region through which the insulator extends is greater than a thickness of the third conductive layer in the first region.
    Type: Application
    Filed: February 25, 2020
    Publication date: March 18, 2021
    Inventors: Shigeki KOBAYASHI, Toru MATSUDA, Hanae ISHIHARA
  • Patent number: 10896915
    Abstract: According to an embodiment, a semiconductor memory device includes a substrate, a stacked body, a plurality of first members, and at least one first insulating member. The stacked body is provided on the substrate and includes a plurality of electrode layers. The electrode layers are stacked apart from each other in a first direction and extend in a second direction parallel to an upper surface of the substrate. The first members are provided in the stacked body and extend in the first direction and the second direction. The first insulating member is provided in the stacked body and extends in the first direction and a third direction so that the electrode layers are divided into a plurality of regions in the second direction, the third direction intersecting with the second direction and being parallel to the upper surface of the substrate.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: January 19, 2021
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Go Oike, Hanae Ishihara