TREA

Tetsuo Sasaki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Urethane composition
    • Patent number 5,169,875
    • Issue date Dec 8, 1992
    • Hodogaya Chemical Co., Ltd.
    • Tsutomu Nakamura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Phenolic resin foam and process for producing the same
    • Patent number 4,461,852
    • Issue date Jul 24, 1984
    • Hodogaya Chemical Co., Ltd.
    • Tsutomu Nakamura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...