Patents by Inventor Toshiaki Nishio

Toshiaki Nishio 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).

  • Repair welding method
    Patent number: 11872663
    Abstract: A repair welding method according to at least one embodiment is for a member in which a first end and a second end of a parent material are connected by welding and includes: a step of removing a portion including at least a part of a first heat-affected zone of an existing welded portion of the member; and a step of performing repair welding after removing the portion. In a cross-section including the parent material and the existing welded portion, all intersection portions between the first heat-affected zone of the existing welded portion and a second heat-affected zone due to the repair welding have an intersection angle between the first heat-affected zone and the second heat-affected zone of 70° to 110°.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: January 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masaki Honda, Toshiaki Nishio, Nobuyoshi Komai, Takumi Tokiyoshi, Masaaki Fujita, Kimihiko Tominaga, Hiroyuki Ohyama, Fumitoshi Sakata, Koichi Teshima, Eiji Murakami, Akinori Yamaguchi, Fumio Nishi
  • REPAIR WELDING METHOD
    Publication number: 20210268612
    Abstract: A repair welding method according to at least one embodiment is for a member in which a first end and a second end of a parent material are connected by welding and includes: a step of removing a portion including at least a part of a first heat-affected zone of an existing welded portion of the member; and a step of performing repair welding after removing the portion. In a cross-section including the parent material and the existing welded portion, all intersection portions between the first heat-affected zone of the existing welded portion and a second heat-affected zone due to the repair welding have an intersection angle between the first heat-affected zone and the second heat-affected zone of 70° to 110°.
    Type: Application
    Filed: July 19, 2019
    Publication date: September 2, 2021
    Applicant: MITSUBISHI POWER, LTD.
    Inventors: Masaki Honda, Toshiaki Nishio, Nobuyoshi Komai, Takumi Tokiyoshi, Masaaki Fujita, Kimihiko Tominaga, Hiroyuki Ohyama, Fumitoshi Sakata, Koichi Teshima, Eiji Murakami, Akinori Yamaguchi, Fumio Nishi
  • Powder material for powder plasma overlaying and powder plasma overlaying metal
    Patent number: 6334977
    Abstract: A powder material for powder plasma build-up welding which exhibits excellent resistance and bending properties comprises C in an amount of 0.06 to 0.15% (% by weight, the same hereinafter), Si in an amount of 0.2 to 1.0%, Mn in an amount of 0.2 to 1.0%, Cr in an amount of 17 to 30%, Nb in an amount of 0.6 to 1.5%, Ni in an amount of not more than 0.5%, and the balance consisting of Fe and unavoidable impurities.
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: January 1, 2002
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Masakazu Matsui, Akira Notomi, Toshiaki Nishio, Takayuki Maeda, Iwami Ishihara, Tetsuji Yamaguchi, Yoshimi Onitsuka, Yuichi Kojima, Ryoji Miki, Takashi Inami