Patents by Inventor Youzaburo Mabuchi

Youzaburo Mabuchi 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).

  • Patent number: 6303904
    Abstract: An object of the present invention is to provide a weld material which contains 8 to 13% Cr, and can be used with the GMA welding method, a GMA welding method which has superior arc stability and can provide a welded material having superior properties, and a welded structure; in order to attain this object, a weld material is provided, which contains in weight, 0.01 to 0.15% C, 0.1 to 0.6% Si, 0.1 to 2.0% Mn, 8 to 13% Cr, 0.1 to 1.5% Ni, 0.3 to 2.0% Mo, 0.05 to 0.5% V, 0.08 to 0.5% W, 0.5 to 5.0% Co, 0.1 to 0.5% Ta, ≦0.08 N, 0.01 to 0.1% REMs, and consisting of the balance Fe with inevitable impurities.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: October 16, 2001
    Assignees: Mitsubishi Heavy Industries, Ltd., Nippon Welding Rod Co., Ltd.
    Inventors: Kiyotaka Iwatsubo, Toshimitsu Tetsui, Takayuki Kawano, Hideharu Kobayashi, Youzaburo Mabuchi, Hiroshi Tsurusaki, Tamao Takatsu, Teiichiro Saito, Takashi Inami
  • Publication number: 20010027966
    Abstract: An object of the present invention is to provide a weld material which contains 8 to 13% Cr, and can be used with the GMA welding method, a GMA welding method which has superior arc stability and can provide a welded material having superior properties, and a welded structure; in order to attain this object, a weld material is provided, which contains in weight, 0.01 to 0.15% C, 0.1 to 0.6% Si, 0.1 to 2.0% Mn, 8 to 13% Cr,0.1 to 1.5% Ni, 0.3 to 2.0% Mo, 0.05 to 0.5% V, 0.08 to 0.5% W, 0.5 to 5.0% Co, 0.1 to 0.5% Ta, ≦0.08 N, 0.01 to 0.1% REMs, and consisting of the balance Fe with inevitable impurities.
    Type: Application
    Filed: January 8, 2001
    Publication date: October 11, 2001
    Applicant: Mitsubishi Heavy Industries, Ltd.
    Inventors: Kiyotaka Iwatsubo, Toshimitsu Tetsui, Takayuki Kawano, Hideharu Kobayashi, Youzaburo Mabuchi, Hiroshi Tsurusaki, Tamao Takatsu, Teiichiro Saito, Takashi Inami