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Masaru KOYANAGI

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  • Ota Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nonvolatile semiconductor memory device and memory system having te...
    • Patent number RE49783
    • Issue date Jan 2, 2024
    • Kioxia Corporation
    • Yasuhiro Hirashima
  • Information Patent Grant

    Semiconductor memory device
    • Patent number 11,637,555
    • Issue date Apr 25, 2023
    • Kioxia Corporation
    • Junya Matsuno
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,621,712
    • Issue date Apr 4, 2023
    • Kioxia Corporation
    • Yasuhiro Hirashima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Stacked chips comprising interconnects
    • Patent number 11,594,521
    • Issue date Feb 28, 2023
    • Kioxia Corporation
    • Masaru Koyanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor memory device
    • Patent number 11,594,523
    • Issue date Feb 28, 2023
    • Kioxia Corporation
    • Masaru Koyanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor storage device
    • Patent number 11,568,935
    • Issue date Jan 31, 2023
    • Kioxia Corporation
    • Kazuhiko Satou
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor memory device
    • Patent number 11,495,307
    • Issue date Nov 8, 2022
    • Kioxia Corporation
    • Masato Dome
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,495,308
    • Issue date Nov 8, 2022
    • Kioxia Corporation
    • Junya Matsuno
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Non-volatile semiconductor storage device
    • Patent number RE49274
    • Issue date Nov 1, 2022
    • Kioxia Corporation
    • Dai Nakamura
  • Information Patent Grant

    Semiconductor integrated circuit and semiconductor storage device
    • Patent number 11,450,390
    • Issue date Sep 20, 2022
    • Kioxia Corporation
    • Fumiya Watanabe
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor memory device
    • Patent number 11,277,134
    • Issue date Mar 15, 2022
    • KlOXIA CORPORATION
    • Junya Matsuno
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Memory device
    • Patent number 11,270,981
    • Issue date Mar 8, 2022
    • Kioxia Corporation
    • Mikihiko Ito
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Non-volatile semiconductor storage device
    • Patent number 11,232,051
    • Issue date Jan 25, 2022
    • Kioxia Corporation
    • Kensuke Yamamoto
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Correction circuit
    • Patent number 11,218,141
    • Issue date Jan 4, 2022
    • Kioxia Corporation
    • Yasuhiro Hirashima
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,211,130
    • Issue date Dec 28, 2021
    • Kioxia Corporation
    • Yasuhiro Hirashima
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor memory device
    • Patent number 11,145,625
    • Issue date Oct 12, 2021
    • TOSHIBA MEMORY CORPORATION
    • Masaru Koyanagi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,121,710
    • Issue date Sep 14, 2021
    • Kioxia Corporation
    • Yasuhiro Hirashima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device and semiconductor memory device
    • Patent number 11,004,521
    • Issue date May 11, 2021
    • Kioxia Corporation
    • Yasuhiro Suematsu
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor device having stacked chips
    • Patent number 10,985,141
    • Issue date Apr 20, 2021
    • TOSHIBA MEMORY CORPORATION
    • Masaru Koyanagi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Stacked chips comprising interconnects
    • Patent number 10,964,671
    • Issue date Mar 30, 2021
    • TOSHIBA MEMORY CORPORATION
    • Masaru Koyanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor memory device
    • Patent number 10,847,232
    • Issue date Nov 24, 2020
    • TOSHIBA MEMORY CORPORATION
    • Kei Shiraishi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Memory device
    • Patent number 10,811,393
    • Issue date Oct 20, 2020
    • TOSHIBA MEMORY CORPORATION
    • Mikihiko Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Memory device with a plurality of stacked memory core chips
    • Patent number 10,790,266
    • Issue date Sep 29, 2020
    • TOSHIBA MEMORY CORPORATION
    • Mikihiko Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,784,866
    • Issue date Sep 22, 2020
    • TOSHIBA MEMORY CORPORATION
    • Yasuhiro Hirashima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,734,360
    • Issue date Aug 4, 2020
    • TOSHIBA MEMORY CORPORATION
    • Satoshi Tsukiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,679,710
    • Issue date Jun 9, 2020
    • TOSHIBA MEMORY CORPORATION
    • Yasuhiro Hirashima
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor storage device
    • Patent number 10,622,074
    • Issue date Apr 14, 2020
    • TOSHIBA MEMORY CORPORATION
    • Maya Inagaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,593,649
    • Issue date Mar 17, 2020
    • TOSHIBA MEMORY CORPORATION
    • Satoshi Tsukiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device having stacked chips
    • Patent number 10,541,231
    • Issue date Jan 21, 2020
    • TOSHIBA MEMORY CORPORATION
    • Masaru Koyanagi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Correction circuit
    • Patent number 10,530,350
    • Issue date Jan 7, 2020
    • TOSHIBA MEMORY CORPORATION
    • Yasuhiro Hirashima
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    MEMORY DEVICE
    • Publication number 20230223938
    • Publication date Jul 13, 2023
    • KIOXIA Corporation
    • Junya MATSUNO
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230188137
    • Publication date Jun 15, 2023
    • KIOXIA Corporation
    • Yasuhiro HIRASHIMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20230022082
    • Publication date Jan 26, 2023
    • KIOXIA Corporation
    • Zhao LU
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20230028971
    • Publication date Jan 26, 2023
    • KIOXIA Corporation
    • Masato DOME
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230018613
    • Publication date Jan 19, 2023
    • KIOXIA Corporation
    • Junya MATSUNO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20220158639
    • Publication date May 19, 2022
    • KIOXIA Corporation
    • Junya MATSUNO
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20220093185
    • Publication date Mar 24, 2022
    • KIOXIA Corporation
    • Masato DOME
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220093188
    • Publication date Mar 24, 2022
    • KIOXIA Corporation
    • Junya MATSUNO
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR STORAGE DEVICE
    • Publication number 20220059165
    • Publication date Feb 24, 2022
    • KIOXIA Corporation
    • Kazuhiko SATOU
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20220005789
    • Publication date Jan 6, 2022
    • Toshiba Memory Corporation
    • Masaru KOYANAGI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210409023
    • Publication date Dec 30, 2021
    • KIOXIA Corporation
    • Yasuhiro HIRASHIMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR INTEGRATED CIRCUIT AND SEMICONDUCTOR STORAGE DEVICE
    • Publication number 20210295930
    • Publication date Sep 23, 2021
    • KIOXIA Corporation
    • Fumiya WATANABE
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    NON-VOLATILE SEMICONDUCTOR STORAGE DEVICE
    • Publication number 20210271615
    • Publication date Sep 2, 2021
    • Kioxia Corporation
    • Kensuke YAMAMOTO
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20210226632
    • Publication date Jul 22, 2021
    • KIOXIA Corporation
    • Junya MATSUNO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE HAVING STACKED CHIPS
    • Publication number 20210210467
    • Publication date Jul 8, 2021
    • Toshiba Memory Corporation
    • Masaru KOYANAGI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210175212
    • Publication date Jun 10, 2021
    • Toshiba Memory Corporation
    • Masaru KOYANAGI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20210082525
    • Publication date Mar 18, 2021
    • KIOXIA Corporation
    • Yasuhiro SUEMATSU
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    MEMORY DEVICE
    • Publication number 20210005580
    • Publication date Jan 7, 2021
    • Toshiba Memory Corporation
    • Mikihiko ITO
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200389170
    • Publication date Dec 10, 2020
    • Toshiba Memory Corporation
    • Yasuhiro HIRASHIMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200265902
    • Publication date Aug 20, 2020
    • Toshiba Memory Corporation
    • Yasuhiro HIRASHIMA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20200202959
    • Publication date Jun 25, 2020
    • Toshiba Memory Corporation
    • Kei SHIRAISHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE HAVING STACKED CHIPS
    • Publication number 20200144225
    • Publication date May 7, 2020
    • Toshiba Memory Corporation
    • Masaru KOYANAGI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CORRECTION CIRCUIT
    • Publication number 20200127653
    • Publication date Apr 23, 2020
    • KIOXIA Corporation
    • Yasuhiro HIRASHIMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200020670
    • Publication date Jan 16, 2020
    • Toshiba Memory Corporation
    • Masaru KOYANAGI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200014385
    • Publication date Jan 9, 2020
    • Toshiba Memory Corporation
    • Yasuhiro HIRASHIMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR MEMORY DEVICE
    • Publication number 20190385984
    • Publication date Dec 19, 2019
    • Toshiba Memory Corporation
    • Masaru KOYANAGI
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190295988
    • Publication date Sep 26, 2019
    • Toshiba Memory Corporation
    • Satoshi Tsukiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190295661
    • Publication date Sep 26, 2019
    • Toshiba Memory Corporation
    • Yasuhiro HIRASHIMA
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    CORRECTION CIRCUIT
    • Publication number 20190296724
    • Publication date Sep 26, 2019
    • Toshiba Memory Corporation
    • Yasuhiro HIRASHIMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190295987
    • Publication date Sep 26, 2019
    • Toshiba Memory Corporation
    • Satoshi Tsukiyama
    • H01 - BASIC ELECTRIC ELEMENTS