Patents by Inventor Takeyuki UENISHI

Takeyuki UENISHI 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).

  • FORGED COMPONENT, METHOD FOR MANUFACTURING THE SAME, AND CONNECTING ROD
    Publication number: 20220074028
    Abstract: A forged component having a chemical composition including, by mass %, C: 0.30 to 0.45%, Si: 0.05 to 0.35%, Mn: 0.50 to 0.90%, P: 0.030% or less, S: 0.040 to 0.070%, Cr: 0.01 to 0.50%, Al: 0.001 to 0.050%, V: 0.25 to 0.35%, Ca: 0 to 0.0100%, N: 0.0150% or less, and the balance being Fe and unavoidable impurities, and satisfying Formulae 1 through 3. The: metal structure is a ferrite pearlite structure, and a ferrite area ratio is 30% or more; Vickers hardness is in the range of 320 to 380 HV; 0.2% yield strength is 800 MPa or more; a Charpy V-notch impact value is in the range of 15 to 25 J/cm2: and an unevenness of fracture surface (surface area/cross sectional area) of the Charpy test piece after fracture is in the range of 1.47 to 1.60.
    Type: Application
    Filed: February 6, 2020
    Publication date: March 10, 2022
    Applicant: AICHI STEEL CORPORATION
    Inventors: Michinori FUKUYAMA, Takeyuki UENISHI
  • Forged component, method for manufacturing the same, and connecting rod
    Patent number: 10822677
    Abstract: A forged component having a chemical composition including, by mass %, C: 0.30 to 0.45%, Si: 0.05 to 0.35%, Mn: 0.50 to 0.90%, P: 0.030 to 0.070%, S: 0.040 to 0.070%, Cr: 0.01 to 0.50%, Al: 0.001 to 0.050%, V: 0.25 to 0.35%, Ca: 0 to 0.0100%, N: 0.0150% or less, and the balance being Fe and unavoidable impurities, and satisfying formula 1. Metal structure is a ferrite pearlite structure, and a ferrite area ratio is 30% or more. Vickers hardness is in the range of 320 to 380 HV. 0.2% yield strength is 800 MPa or more. A Charpy V-notch impact value is in the range of 7 to 15 J/cm2.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: November 3, 2020
    Assignees: AICHI STEEL CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeyuki Uenishi, Susumu Owaki, Hisanori Koma, Tomoyasu Kitano, Kazuhiro Tanahashi, Nobuyuki Shinohara
  • FORGED COMPONENT, METHOD FOR MANUFACTURING THE SAME, AND CONNECTING ROD
    Publication number: 20150354042
    Abstract: A forged component having a chemical composition including, by mass %, C: 0.30 to 0.45%, Si: 0.05 to 0.35%, Mn: 0.50 to 0.90%, P: 0.030 to 0.070%, S: 0.040 to 0.070%, Cr: 0.01 to 0.50%, Al: 0.001 to 0.050%, V: 0.25 to 0.35%, Ca: 0 to 0.0100%, N: 0.0150% or less, and the balance being Fe and unavoidable impurities, and satisfying formula 1. Metal structure is a ferrite pearlite structure, and a ferrite area ratio is 30% or more. Vickers hardness is in the range of 320 to 380 HV. 0.2% yield strength is 800 MPa or more. A Charpy V-notch impact value is in the range of 7 to 15 J/cm2.
    Type: Application
    Filed: March 18, 2014
    Publication date: December 10, 2015
    Applicants: AICHI STEEL CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeyuki UENISHI, Susumu OWAKI, Hisanori KOMA, Tomoyasu KITANO, Kazuhiro TANAHASHI, Nobuyuki SHINOHARA