Yoshihisa Hiraoka

Person

  • Kanagawa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic waves shield tape

    • Patent number 5,053,582
    • Issue date Oct 1, 1991
    • Tokyo Keiki Co., Ltd.
    • Takashige Terakawa
    • H01 - BASIC ELECTRIC ELEMENTS