TREA

Toshimitsu Okubo

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  • Shibata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Printer platen
    • Patent number 4,934,850
    • Issue date Jun 19, 1990
    • Ricoh Company, Ltd.
    • Toshimitsu Okubo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Offset printer having a press drum larger than its rubber drum
    • Patent number 4,919,045
    • Issue date Apr 24, 1990
    • Ricoh Company, Ltd.
    • Toshimitsu Okubo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printer paper bail device
    • Patent number 4,799,814
    • Issue date Jan 24, 1989
    • Ricoh Company, Ltd.
    • Toshimitsu Okubo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS