Masaki Hirosawa

Person

  • Kitakyushu, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrically conductive copper composition

    • Patent number 5,248,451
    • Issue date Sep 28, 1993
    • Mitsui Mining & Smelting Co., Ltd.
    • Masayuki Tsunaga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...