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Takashi KATAGUCHI

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  • Tokyo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MAGNETIC RECORDING MEDIUM
    • Publication number 20230075546
    • Publication date Mar 9, 2023
    • SONY GROUP CORPORATION
    • Takeshi TAKAHASHI
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    MAGNETIC RECORDING MEDIUM
    • Publication number 20220392488
    • Publication date Dec 8, 2022
    • SONY GROUP CORPORATION
    • Natsuki ICHISE
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    MAGNETIC RECORDING MEDIUM
    • Publication number 20220139423
    • Publication date May 5, 2022
    • SONY GROUP CORPORATION
    • Takashi KATAGUCHI
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    MAGNETIC RECORDING MEDIUM
    • Publication number 20220076699
    • Publication date Mar 10, 2022
    • SONY CORPORATION
    • Takashi KATAGUCHI
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    COBALT FERRITE MAGNETIC POWDER, METHOD OF PRODUCING THE SAME, AND M...
    • Publication number 20220036919
    • Publication date Feb 3, 2022
    • SONY GROUP CORPORATION
    • Natsuki ICHISE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MAGNETIC RECORDING MEDIUM
    • Publication number 20210295868
    • Publication date Sep 23, 2021
    • SONY CORPORATION
    • Takashi KATAGUCHI
    • G11 - INFORMATION STORAGE