TREA

Toru Katsura

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing alkaline paper
    • Patent number 5,362,364
    • Issue date Nov 8, 1994
    • Mitsubishi Paper Mills Limited
    • Toru Katsura
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Photograhic paper support
    • Patent number 5,082,724
    • Issue date Jan 21, 1992
    • Mitsubishi Paper Mills Limited
    • Toru Katsura
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Heat sensitive recording paper
    • Patent number 5,024,986
    • Issue date Jun 18, 1991
    • Mitsubishi Paper Mills Limited
    • Toru Katsura
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Polyolefin coated photographic paper support
    • Patent number 4,665,014
    • Issue date May 12, 1987
    • Mitsubishi Paper Mills, Inc.
    • Toru Katsura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photographic paper containing magnesium oxide
    • Patent number 4,482,628
    • Issue date Nov 13, 1984
    • Mitsubishi Paper Mills, Ltd.
    • Toru Katsura
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE