Sadayuki Kawai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Fire-extinguisher composition

    • Patent number 4,459,213
    • Issue date Jul 10, 1984
    • Secom Co., Ltd.
    • Yasuzo Uchida
    • A62 - LIFE-SAVING FIRE-FIGHTING