TREA

Masami Ohkawa

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  • Suwa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Printer
    • Patent number 5,033,886
    • Issue date Jul 23, 1991
    • Seiko Epson Corporation
    • Kenji Onodera
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printer
    • Patent number 4,961,376
    • Issue date Oct 9, 1990
    • Seiko Epson Corporation
    • Kenji Onodera
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS