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Masami Tokunaga

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic material-inverting display panel
    • Patent number 6,585,523
    • Issue date Jul 1, 2003
    • Kabushiki Kaisha Pilot
    • Masami Tokunaga
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Heat transfer medium
    • Patent number 4,840,837
    • Issue date Jun 20, 1989
    • Pilot Man-Nen-Hitsu Kabushiki Kaisha
    • Noriatsu Tanaka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents