Kiyoshi Hirosawa

Person

  • Ibaraki-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Bonding film for printed circuit boards

    • Patent number 5,885,723
    • Issue date Mar 23, 1999
    • Hitachi Chemical Company, Ltd.
    • Atsushi Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...