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Seiji Hanaoka

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  • Shiojiri, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for driving an ink jet printer head
    • Patent number 4,471,363
    • Issue date Sep 11, 1984
    • Epson Corporation
    • Seiji Hanaoka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dot printer having concentric driving cams
    • Patent number 4,259,026
    • Issue date Mar 31, 1981
    • Kabushiki Kaisha Suwa Seikosha
    • Seiji Hanaoka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Head portion of a dot printer
    • Patent number 4,222,674
    • Issue date Sep 16, 1980
    • Kabushiki Kaisha Suwa Seikosha
    • Masahiko Mori
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drive mechanism for printer
    • Patent number 4,175,876
    • Issue date Nov 27, 1979
    • Shinshu Seiki Kabushiki Kaisha
    • Seiji Hanaoka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printer
    • Patent number 4,164,181
    • Issue date Aug 14, 1979
    • Kabushiki Kaisha Suwa Seikosha
    • Seiji Hanaoka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS