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Kasumi Yamamoto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exit-structure of ozone-exhaust duct incorporated in electrophotogr...
    • Patent number 6,112,040
    • Issue date Aug 29, 2000
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Hiroyuki Saito
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Fixing unit
    • Patent number 5,926,680
    • Issue date Jul 20, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Kasumi Yamamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fixing unit
    • Patent number 5,842,100
    • Issue date Nov 24, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tsukasa Yanashima
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fixing unit having press roller opening/closing mechanisms
    • Patent number 5,835,835
    • Issue date Nov 10, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tomoyuki Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY