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Issei Ishimaru

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light transmitting plate
    • Patent number 6,835,440
    • Issue date Dec 28, 2004
    • Nippon Zeon Co., Ltd.
    • Yuichiro Konishi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Light guide plate with alicyclic resin
    • Patent number 6,633,722
    • Issue date Oct 14, 2003
    • Nippon Zeon Co., Ltd.
    • Teiji Kohara
    • G02 - OPTICS