TREA

Koji Ogata

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing an exposure blade
    • Patent number 4,956,139
    • Issue date Sep 11, 1990
    • Canon Denshi Kabushiki Kaisha
    • Hiroshi Koizumi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL