Patents by Inventor Masakuni Wakabayashi

Masakuni Wakabayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for gas metal arc welding of very low carbon steel
    Patent number: 4582978
    Abstract: Method for gas metal arc welding of very low carbon steel in which a crack-free region where high temperature cracking does not occur is obtained by controlling the carbon content of the weld metal.
    Type: Grant
    Filed: February 27, 1985
    Date of Patent: April 15, 1986
    Assignee: Nippon Steel Corporation
    Inventors: Naomichi Mori, Hiroyuki Honma, Masakuni Wakabayashi, Tsuyoshi Takino
  • Method for submerged-arc welding a very low carbon steel
    Patent number: 4430545
    Abstract: A method for producing line pipe of high strength and high toughness by the submerged-arc welding process in which a welding wire containing 0.18-0.55% C. is used, Ti or B or both are added to the welding wire or flux or both, and a steel containing 0.005-0.06% C. is welded by the submerged-arc welding process, whereby both Ti and B are caused to be present in the weld metal.
    Type: Grant
    Filed: September 15, 1981
    Date of Patent: February 7, 1984
    Assignee: Nippon Steel Corporation
    Inventors: Naomichi Mori, Hiroyuki Homma, Masakuni Wakabayashi, Masanobu Yamaguchi