Takeshi Yamaguchi

Person

  • Ibaragi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Ultrasonic flaw detector

    • Patent number 5,335,547
    • Issue date Aug 9, 1994
    • Hitachi Construction Machinery Co., Ltd.
    • Kichio Nakajima
    • G01 - MEASURING TESTING