Hiroshi Kawamoto

Person

  • Kumagaya, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Porous ferrite wave absorber

    • Patent number 5,892,188
    • Issue date Apr 6, 1999
    • Kabushiki Kaisha Riken
    • Toshikatsu Hayashi
    • E04 - BUILDING