Patents Assigned to Honda Gikan Kogyo Kabushiki Kaisha
  • Carbon steel for machine structural use
    Patent number: 4975242
    Abstract: A carbon steel useful for machine structural use having improved cold forgability and induction hardenability comprises particular amounts of C, Si, Mn, Cr, S, P, O, N or further Mo and the balance being substantially Fe.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: December 4, 1990
    Assignees: Honda Gikan Kogyo Kabushiki Kaisha, Kawasaki Steel Corp.
    Inventors: Toshiyuki Hoshino, Nobuhisa Tabata, Isao Machida, Masayoshi Saga, Takeshi Takagi