Tetsuya Nakayama

Person

  • Niwa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Lightning arrestor

    • Patent number 5,172,297
    • Issue date Dec 15, 1992
    • NGK Insulators, Ltd.
    • Takashi Imakoma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Lightning-conducting insulators

    • Patent number 4,761,707
    • Issue date Aug 2, 1988
    • The Tokyo Electric Co., Inc.
    • Keiji Wakamatsu
    • H01 - BASIC ELECTRIC ELEMENTS