Patents by Inventor Keisuke Hatamura

Keisuke Hatamura 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).

  • Exhaust system member
    Patent number: 9371768
    Abstract: An exhaust system member having an upstream-side opening into which exhaust gas flows and a downstream-side opening from which exhaust gas flows includes: first and second members. The first member includes first facing portions each having a distal end portion bulged radially outward in the exhaust system member, a notch is provided at a boundary between the distal end portion and a proximal end portion radially inward of the distal end portion at each end portion of each first facing portion, adjacent to the corresponding opening. The second member includes second facing portions, each arranged on the radially inner side of the corresponding distal end portion, each second facing portion is welded at a portion overlapped with the corresponding first facing portion, and a distal end face of each second facing portion facing a proximal end-side notch face of the notch in the corresponding first facing portion.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: June 21, 2016
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SANGO CO., LTD.
    Inventors: Kenji Yamanari, Ryoji Tachibana, Keisuke Hatamura, Masayuki Kuno
  • EXHAUST SYSTEM MEMBER
    Publication number: 20150204230
    Abstract: An exhaust system member having an upstream-side opening into which exhaust gas flows and a downstream-side opening from which exhaust gas flows includes: first and second members. The first member includes first facing portions each having a distal end portion bulged radially outward in the exhaust system member, a notch is provided at a boundary between the distal end portion and a proximal end portion radially inward of the distal end portion at each end portion of each first facing portion, adjacent to the corresponding opening. The second member includes second facing portions, each arranged on the radially inner side of the corresponding distal end portion, each second facing portion is welded at a portion overlapped with the corresponding first facing portion, and a distal end face of each second facing portion facing a proximal end-side notch face of the notch in the corresponding first facing portion.
    Type: Application
    Filed: September 24, 2013
    Publication date: July 23, 2015
    Applicants: SANGO CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kenji Yamanari, Ryoji Tachibana, Keisuke Hatamura, Masayuki Kuno