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Hiroyuki Akazawa

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  • Suwa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Paper feeding apparatus for accommodating different lengths of reco...
    • Patent number 5,009,532
    • Issue date Apr 23, 1991
    • Seiko Epson Corporation
    • Hiroyuki Akazawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Control system of serial printer
    • Patent number 4,602,882
    • Issue date Jul 29, 1986
    • Seiko Epson Corporation
    • Hiroyuki Akazawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Serial printer
    • Patent number 4,525,085
    • Issue date Jun 25, 1985
    • Epson Corporation
    • Hiroyuki Akazawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Serial printer
    • Patent number 4,518,269
    • Issue date May 21, 1985
    • Epson Corporation
    • Hiroyuki Akazawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Paper feeding apparatus for printers
    • Patent number 4,500,023
    • Issue date Feb 19, 1985
    • Epson Corporation
    • Hiroyuki Akazawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Improved ribbon mask and guide for wire dot printers
    • Patent number 4,492,484
    • Issue date Jan 8, 1985
    • Epson Corporation
    • Hiroyuki Akazawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Serial printer
    • Patent number 4,452,542
    • Issue date Jun 5, 1984
    • Epson Corporation
    • Hiroyuki Akazawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • 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

    Line printer character belt
    • Patent number 4,173,183
    • Issue date Nov 6, 1979
    • Kabushiki Kaisha Suwa Seikosha
    • Hiroyuki Akazawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS