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Kei Oomoto

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Applicator
    • Patent number 12,207,722
    • Issue date Jan 28, 2025
    • Mitsubishi Pencil Company, Limited
    • Toshimi Kamitani
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mechanical pencil
    • Patent number 9,834,032
    • Issue date Dec 5, 2017
    • Mitsubishi Pencil Company, Limited
    • Kei Oomoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument or applicator having resin molded parts
    • Patent number 9,597,920
    • Issue date Mar 21, 2017
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kei Oomoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 9,358,828
    • Issue date Jun 7, 2016
    • Mitsubishi Pencil Company, Limited
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Applicator
    • Patent number 7,976,236
    • Issue date Jul 12, 2011
    • Mitsubishi Pencil Company, Limited
    • Kei Oomoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    SURGICAL INK, PRODUCTION METHOD FOR SAID INK, AND SURGICAL PEN USIN...
    • Publication number 20250108654
    • Publication date Apr 3, 2025
    • National Center for Global Health and Medicine
    • Yutaka MARUOKA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    APPLICATOR
    • Publication number 20240237806
    • Publication date Jul 18, 2024
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Toshimi KAMITANI
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20150336419
    • Publication date Nov 26, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kei OOMOTO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT OR APPLICATOR HAVING RESIN MOLDED PARTS
    • Publication number 20150063893
    • Publication date Mar 5, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kei Oomoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20150023714
    • Publication date Jan 22, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES