Shiro Ohki

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Resonator type silencer

    • Patent number 5,283,398
    • Issue date Feb 1, 1994
    • Tsuchiya Mfg. Co., Ltd.
    • Hirokazu Kotera
    • F24 - HEATING RANGES VENTILATING