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Shigeru Okumura

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing implement
    • Patent number 7,083,349
    • Issue date Aug 1, 2006
    • Mitsubishi Pencil Kabushikikaisha
    • Hisashi Iida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 7,070,352
    • Issue date Jul 4, 2006
    • Mitsubishi Pencil Kabushikikaisha
    • Hisashi Iida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 7,011,466
    • Issue date Mar 14, 2006
    • Mitsubishi Pencil Kabushikikaisha
    • Hisashi Iida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Aqueous ink composition for ball point pen
    • Patent number 5,580,374
    • Issue date Dec 3, 1996
    • Mitsubishi Pencil Kabushiki Kaisha
    • Shigeru Okumura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Writing implement
    • Publication number 20040247369
    • Publication date Dec 9, 2004
    • Hisashi Iida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing implement
    • Publication number 20040240925
    • Publication date Dec 2, 2004
    • Hisashi Iida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing implement
    • Publication number 20030081981
    • Publication date May 1, 2003
    • Hisashi Iida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES