Patents by Inventor Minoru OKIMURA

Minoru OKIMURA 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).

  • Cylinder head
    Patent number: 11111876
    Abstract: A cylinder head includes an exhaust port through which exhaust gas discharged out of a combustion chamber of an internal combustion engine passes. The cylinder head includes a first fin and a second fin projecting from an inner wall of the exhaust port and extending in a flow direction of the exhaust gas. The cylinder head includes a first projection projecting from the inner wall of the exhaust port and extending in a direction intersecting the first fin. The cylinder head also includes a second projection projecting from the inner wall of the exhaust port and extending in a direction intersecting the second fin.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: September 7, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiko Asano, Noboru Takagi, Naoto Hisaminato, Minoru Okimura, Shinya Wakabayashi
  • CYLINDER HEAD
    Publication number: 20200325846
    Abstract: A cylinder head includes an exhaust port through which exhaust gas discharged out of a combustion chamber of an internal combustion engine passes. The cylinder head includes a first fin and a second fin projecting from an inner wall of the exhaust port and extending in a flow direction of the exhaust gas. The cylinder head includes a first projection projecting from the inner wall of the exhaust port and extending in a direction intersecting the first fin. The cylinder head also includes a second projection projecting from the inner wall of the exhaust port and extending in a direction intersecting the second fin.
    Type: Application
    Filed: April 1, 2020
    Publication date: October 15, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiko ASANO, Noboru TAKAGI, Naoto HISAMINATO, Minoru OKIMURA, Shinya WAKABAYASHI
  • Cylinder head for internal combustion engine
    Patent number: 10731597
    Abstract: A cylinder head for an internal combustion engine, includes: first and second valves being intake valves or exhaust valves; a first circumferential wall portion defining a first port, the first port being opened and closed by the first valve and communicating with a combustion chamber; and a first overlay welded portion formed on the first circumferential wall portion and serving as a first valve seat on which the first valve is seated.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: August 4, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Minoru Okimura, Atsushi Komada, Yasuhiro Yamamoto
  • CYLINDER HEAD FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20190345892
    Abstract: A cylinder head for an internal combustion engine, includes: first and second valves being intake valves or exhaust valves; a first circumferential wall portion defining a first port, the first port being opened and closed by the first valve and communicating with a combustion chamber; and a first overlay welded portion formed on the first circumferential wall portion and serving as a first valve seat on which the first valve is seated.
    Type: Application
    Filed: March 11, 2019
    Publication date: November 14, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Minoru OKIMURA, Atsushi KOMADA, Yasuhiro YAMAMOTO