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Toshimasa Nagaoka

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  • Odawara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Input pen
    • Patent number 6,830,404
    • Issue date Dec 14, 2004
    • Pilot Precision Kabushiki Kaisha
    • Toshimasa Nagaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Input pen
    • Patent number 6,707,451
    • Issue date Mar 16, 2004
    • Pilot Precision Kabushiki Kaisha
    • Toshimasa Nagaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Input pen
    • Patent number 6,361,232
    • Issue date Mar 26, 2002
    • Pilot Precision Kabushiki Kaisha
    • Toshimasa Nagaoka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Input pen with attached writing implement
    • Patent number 5,564,850
    • Issue date Oct 15, 1996
    • Pilot Precision Kabushiki Kaisha
    • Toshimasa Nagaoka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil with lead-feeding device operable by forward shake
    • Patent number 5,171,097
    • Issue date Dec 15, 1992
    • Pilot Precision Kabushiki Kaisha
    • Toshimasa Nagaoka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES