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Kabushiki Kaisha Suwa Seikosha

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink-ribbon cassette
    • Patent number D258291
    • Issue date Feb 17, 1981
    • Kabushiki Kaisha Suwa Seikosha
    • Osamu Nakamura
    • D18 - Printing and office machinery
  • Information Patent Grant

    Print hammer for line printer
    • Patent number 4,196,667
    • Issue date Apr 8, 1980
    • Kabushiki Kaisha Suwa Seikosha
    • Akio Mitsuishi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electrochromic display device
    • Patent number 4,019,809
    • Issue date Apr 26, 1977
    • Kabushiki Kaisha Suwa Seikosha
    • Tsutomu Otake
    • G02 - OPTICS

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