TREA

Hajime Katayama

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  • Tokyo, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Color copying apparatus
    • Patent number 4,095,879
    • Issue date Jun 20, 1978
    • Canon Kabushiki Kaisha
    • Hajime Katayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Corona discharge device for electrophotographic copying machine
    • Patent number 4,089,600
    • Issue date May 16, 1978
    • Canon Kabushiki Kaisha
    • Yoshio Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Feed cassette device
    • Patent number 4,032,137
    • Issue date Jun 28, 1977
    • Canon Kabushiki Kaisha
    • Hajime Katayama
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Copying apparatus
    • Patent number 4,007,986
    • Issue date Feb 15, 1977
    • Canon Kabushiki Kaisha
    • Shigehiro Komori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Copying apparatus capable of both-side printing
    • Patent number 3,999,852
    • Issue date Dec 28, 1976
    • Canon Kabushiki Kaisha
    • Hajime Katayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing liquid recovery device in a copying machine
    • Patent number 3,997,977
    • Issue date Dec 21, 1976
    • Canon Kabushiki Kaisha
    • Hajime Katayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing device
    • Patent number 3,987,756
    • Issue date Oct 26, 1976
    • Canon Kabushiki Kaisha
    • Hajime Katayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Duplex copying apparatus
    • Patent number 3,972,612
    • Issue date Aug 3, 1976
    • Canon Kabushiki Kaisha
    • Shigehiro Komori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY