TREA

Isao Sugiura

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite graphite sheets
    • Patent number 4,234,638
    • Issue date Nov 18, 1980
    • Nippon Carbon Co., Ltd.
    • Hiroshi Yamazoe
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process for producing flexible graphite
    • Patent number 4,226,821
    • Issue date Oct 7, 1980
    • Nippon Carbon Co., Ltd.
    • Toshikatsu Ishikawa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES