Patents by Inventor Kanji Katada

Kanji Katada 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).

  • Arc welding method
    Patent number: 8536487
    Abstract: A consumable electrode type arc welding method for generating arc between a plate-shaped work and a welding wire by a mixed shield gas including argon gas to weld the plate-shaped work, includes: making a state of reverse polarity in which the polarity of the welding wire is positive at the welding start time, and switching at least once to a state of positive polarity in which the polarity of the welding wire is negative.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: September 17, 2013
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Seigo Nishikawa, Kanji Katada, Hirotaka Adachi, Tsuneo Shinada, Hideyasu Machii
  • ARC WELDING METHOD
    Publication number: 20100288742
    Abstract: A consumable electrode type arc welding method for generating arc between a plate-shaped work and a welding wire by a mixed shield gas including argon gas to weld the plate-shaped work, includes: making a state of reverse polarity in which the polarity of the welding wire is positive at the welding start time, and switching at least once to a state of positive polarity in which the polarity of the welding wire is negative.
    Type: Application
    Filed: May 14, 2010
    Publication date: November 18, 2010
    Applicants: KABUSHIKI KAISHA YASKAWA DENKI, HITACHI VIA MECHANICS, LTD.
    Inventors: Seigo Nishikawa, Kanji Katada, Hirotaka Adachi, Tsuneo Shinada, Hideyasu Machii