TREA

Tomoko Ogawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Image recording apparatus
    • Patent number 5,309,177
    • Issue date May 3, 1994
    • Ricoh Company, Ltd.
    • Hisashi Shoji
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Metal vapor laser apparatus and method
    • Patent number 5,283,800
    • Issue date Feb 1, 1994
    • Kabushiki KaishaToshiba
    • Setsuo Suzuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Direct image recording apparatus using toner
    • Patent number 5,051,760
    • Issue date Sep 24, 1991
    • Ricoh Company, Ltd.
    • Hisashi Shoji
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Color image processing device
    • Patent number 4,953,013
    • Issue date Aug 28, 1990
    • Ricoh Company, Ltd.
    • Katsuhisa Tsuji
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE