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Minoru Machida

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  • Isesaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ballpoint pen refill
    • Patent number 6,302,609
    • Issue date Oct 16, 2001
    • Kabushiki Kaisha Pilot
    • Minoru Machida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Erasing liquid pen
    • Patent number 5,915,872
    • Issue date Jun 29, 1999
    • Kabushiki Kaisha Pilot
    • Minoru Machida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cap device
    • Patent number 5,876,140
    • Issue date Mar 2, 1999
    • Kabushiki Kaisha Pilot
    • Michiaki Kuramoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES