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Kabushiki Kaisha Copal

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Axial fan
    • Patent number 6,126,395
    • Issue date Oct 3, 2000
    • Kabushiki Kaisha Copal
    • Hiroyuki Shingai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Axial fan, method of manufacturing impeller for axial fan, and mold...
    • Patent number 6,065,936
    • Issue date May 23, 2000
    • Kabushiki Kaisha Copal
    • Hiroyuki Shingai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Exposure rate controlling mechanism for camera
    • Patent number 4,358,191
    • Issue date Nov 9, 1982
    • Konishiroku Photo Industry Co., Ltd.
    • Yasuo Ishiguro
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY