Masao Maruyama

Person

  • Toyonaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Water heater

    • Patent number 4,444,156
    • Issue date Apr 24, 1984
    • Kabushiki Kaisha Youei Seisakusho
    • Yasutaka Iwasaki
    • F24 - HEATING RANGES VENTILATING