TREA

Kazuaki Tagawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilated corona charging
    • Patent number 4,745,282
    • Issue date May 17, 1988
    • Ricoh Company, Ltd.
    • Kazuaki Tagawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Electronic copying apparatus
    • Patent number 4,351,603
    • Issue date Sep 28, 1982
    • Ricoh Company, Ltd.
    • Kazuaki Tagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Corona discharge device
    • Patent number 4,335,420
    • Issue date Jun 15, 1982
    • Ricoh Co., Ltd.
    • Tanaka Mitsuo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic brush development apparatus
    • Patent number 4,331,100
    • Issue date May 25, 1982
    • Ricoh Company, Ltd.
    • Manabu Mochizuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic brush development apparatus
    • Patent number 4,324,483
    • Issue date Apr 13, 1982
    • Ricoh Company, Ltd.
    • Kazuaki Tagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic apparatus comprising improved thermal fixing means
    • Patent number 4,161,644
    • Issue date Jul 17, 1979
    • Ricoh Co., Ltd.
    • Nobuyuki Yanagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Anchorage for a moving body
    • Patent number 4,128,334
    • Issue date Dec 5, 1978
    • Ricoh Company, Ltd.
    • Nobuyuki Yanagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY