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Tomoharu OONISHI

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  • Tokyo-to, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil
    • Patent number 11,993,097
    • Issue date May 28, 2024
    • Kabushiki Kaisha Pilot Corporation
    • Yusuke Sanada
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20220410614
    • Publication date Dec 29, 2022
    • KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION )
    • Yusuke SANADA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES