Patents by Inventor Koshiro Nakajima

Koshiro Nakajima 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 METHOD OF ROTOR
    Publication number: 20250033150
    Abstract: A repair method is a repair method of a rotor including a rotor body extending in an axial direction about an axis and a plurality of impellers arranged in the axial direction and fixed to the rotor body, the repair method including: a step of performing welding on a repair area of the rotor body to fill a damaged portion with a welded portion; a step of performing heat treatment only on the repair area in the rotor after the welding is performed; and a step of scraping a part of the welded portion after the heat treatment is performed, to form a processing surface smoothly connected to an outer surface.
    Type: Application
    Filed: July 19, 2024
    Publication date: January 30, 2025
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Kohei Ogawa, Hiroaki Oka, Hiroshi Nakajima, Koshiro Niihara
  • Method of fastening screw members which are supported by a fastener carrier
    Patent number: 5090103
    Abstract: A fastener carrier for the support of screw members which comprises a carrier strip having a substantial length and having at least one row of apertures defined therein in a direction lengthwise of the carrier strip, and screw members each having a head and a stem and removably mounted on the carrier strip with the stem received in the corresponding aperture in the carrier strip.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: February 25, 1992
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Akio Nakata, Masahiro Yoshida, Koshiro Nakajima
  • Fastener carrier for the support of screw members
    Patent number: 4955476
    Abstract: A fastener carrier for supporting screw members which includes a carrier strip having a substantial length and at least one row of apertures defined therein in a direction lengthwise of the carrier strip, and screw members each having a head and a stem and removably mounted on the carrier strip with the stem received in the corresponding aperture in the carrier strip.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: September 11, 1990
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Akio Nakata, Masahiro Yoshida, Koshiro Nakajima