Yoshinori Hamada

Person

  • Hyogo-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Revolving door system

    • Patent number 6,493,991
    • Issue date Dec 17, 2002
    • Nabco Limited
    • Yoshinori Hamada
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES