Masaaki Ona

Person

  • Nagaoka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Hinge device

    • Patent number 5,966,776
    • Issue date Oct 19, 1999
    • Strawberry Corporation
    • Masaaki Ona
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES