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Makoto Nagaoka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric heating device for mirror
    • Patent number 5,990,449
    • Issue date Nov 23, 1999
    • Pentel Kabushiki Kaisha
    • Tetsuya Sugiyama
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Information input device
    • Patent number 5,440,080
    • Issue date Aug 8, 1995
    • Pentel Kabushiki Kaisha
    • Makoto Nagaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Thermal head and manufacturing method thereof
    • Patent number 4,612,433
    • Issue date Sep 16, 1986
    • Pentel Kabushiki Kaisha
    • Makoto Nagaoka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS