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Hiroshi Ishida

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  • Takatsuki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Denture base made of thermoplastic resin
    • Patent number 4,751,144
    • Issue date Jun 14, 1988
    • Sumitomo Chemical Company, Ltd.
    • Teruo Saito
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Polyester resin composition
    • Patent number 4,189,549
    • Issue date Feb 19, 1980
    • Sumitomo Chemical Company, Limited
    • Hiroomi Matsunaga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...