TREA

Hidekazu Yoshida

Follow

Person

  • Osaka, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Oxygen-absorbing material
    • Patent number 6,689,437
    • Issue date Feb 10, 2004
    • Toyo Boseki Kabushiki Kaisha
    • Hisashi Ubara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...