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Hirotoshi Hoshikawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Annular frame cleaning accessory for grinding apparatus
    • Patent number 11,717,934
    • Issue date Aug 8, 2023
    • Disco Corporation
    • Hirotoshi Hoshikawa
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Dressing tool
    • Patent number 11,453,100
    • Issue date Sep 27, 2022
    • Disco Corporation
    • Hirotoshi Hoshikawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Grinding apparatus
    • Patent number 9,314,895
    • Issue date Apr 19, 2016
    • Disco Corporation
    • Takashi Mori
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Grinding method for wafer
    • Patent number 7,677,955
    • Issue date Mar 16, 2010
    • Disco Corporation
    • Keiichi Kajiyama
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF MANUFACTURING GRINDING WHEEL
    • Publication number 20230339075
    • Publication date Oct 26, 2023
    • Disco Corporation
    • Hirotoshi HOSHIKAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    VITRIFIED BOND GRINDSTONE
    • Publication number 20230173645
    • Publication date Jun 8, 2023
    • Disco Corporation
    • Hirotoshi HOSHIKAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    REQUIRED INVENTORY CALCULATING SYSTEM
    • Publication number 20230097989
    • Publication date Mar 30, 2023
    • Disco Corporation
    • Hirotoshi HOSHIKAWA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DETERMINING TOOL AND SHAPE DETERMINING METHOD
    • Publication number 20230032327
    • Publication date Feb 2, 2023
    • Disco Corporation
    • Katsubumi IIDA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    GRINDING APPARATUS
    • Publication number 20220143781
    • Publication date May 12, 2022
    • Disco Corporation
    • Hirotoshi HOSHIKAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    DRESSING TOOL
    • Publication number 20210101253
    • Publication date Apr 8, 2021
    • Disco Corporation
    • Hirotoshi HOSHIKAWA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DRESSING TOOL
    • Publication number 20200324387
    • Publication date Oct 15, 2020
    • Disco Corporation
    • Hirotoshi HOSHIKAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    GRINDING APPARATUS
    • Publication number 20150158137
    • Publication date Jun 11, 2015
    • Disco Corporation
    • Takashi Mori
    • B24 - GRINDING POLISHING
  • Information Patent Application

    GRINDING METHOD FOR WAFER
    • Publication number 20090098808
    • Publication date Apr 16, 2009
    • Disco Corporation
    • Keiichi Kajiyama
    • B24 - GRINDING POLISHING