Takanori Hirao

Person

  • Chiba, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Construction material and method

    • Patent number 6,589,654
    • Issue date Jul 8, 2003
    • DUOS Engineering (USA), Inc.
    • Gianni B. Arcaini
    • A62 - LIFE-SAVING FIRE-FIGHTING