Patents by Inventor Taizou Kobashi

Taizou Kobashi 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).

  • Laser/arc hybrid welding method and method for producing welded member using same
    Patent number: 9061374
    Abstract: Disclosed are: a welding method capable of increasing the welding speed up to approximately 20 m/min., yet capable of producing good bead configurations and preventing welding defects such as blowholes; and a method of producing a welded member using the welding method. Specifically disclosed is a laser/arc hybrid welding method for butt-welding flat plates of stainless steel, titanium, or titanium alloy, or butt-welding both ends of a strip-shaped plate of stainless steel, titanium, or titanium alloy which has been formed into a tubular shape, wherein in the butt welding, the laser beam irradiation and the arc discharge trace the same welding line in such a manner that laser welding is followed by TIG arc welding.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: June 23, 2015
    Assignees: Kobe Steel, Ltd., Kobe Special Tube Co., Ltd.
    Inventors: Takeshi Hamada, Taizou Kobashi, Shinya Ishigai, Masahiro Matsunami, Eiichi Suzuki
  • LASER/ARC HYBRID WELDING METHOD AND METHOD FOR PRODUCING WELDED MEMBER USING SAME
    Publication number: 20120325787
    Abstract: Disclosed are: a welding method capable of increasing the welding speed up to approximately 20 m/min., yet capable of producing good bead configurations and preventing welding defects such as blowholes; and a method of producing a welded member using the welding method. Specifically disclosed is a laser/arc hybrid welding method for butt-welding flat plates of stainless steel, titanium, or titanium alloy, or butt-welding both ends of a strip-shaped plate of stainless steel, titanium, or titanium alloy which has been formed into a tubular shape, wherein in the butt welding, the laser beam irradiation and the arc discharge trace the same welding line in such a manner that laser welding is followed by TIG arc welding.
    Type: Application
    Filed: March 4, 2011
    Publication date: December 27, 2012
    Applicant: KOBE SPECIAL TUBE CO., LTD.
    Inventors: Takeshi Hamada, Taizou Kobashi, Shinya Ishigai, Masahiro Matsunami, Eiichi Suzuki