Hideo Iida

Person

  • Sagamihara, JA

Patents Grantslast 30 patents

  • Information Patent Grant

    Prestressed concrete pipe

    • Patent number 3,982,565
    • Issue date Sep 28, 1976
    • Nippon Hume Pipe Company Limited
    • Hideo Iida
    • B28 - WORKING CEMENT, CLAY, OR STONE