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Isao Souma

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-performance C/C composite
    • Patent number 5,306,563
    • Issue date Apr 26, 1994
    • Agency of Industrial Science and Technology
    • Hiroshi Shioyama
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Method for production of high-performance C/C composites
    • Patent number 5,215,689
    • Issue date Jun 1, 1993
    • Agency of Industrial Science & Technology, Ministry of International Trade &...
    • Hiroshi Shioyama
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES