Harumitsu Kato

Person

  • Hachioji, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Bass-reflex type speaker system

    • Patent number 4,413,703
    • Issue date Nov 8, 1983
    • Trio Kabushiki Kaisha
    • Harumitsu Kato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE