Patents by Inventor Satoru Mimura

Satoru Mimura 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).

  • Patent number: 11795868
    Abstract: This piston for a diesel engine includes: a bottom portion that has a deepest combustion chamber bottom in the combustion chamber; a circumferential protrusion that is provided around an entire circumference of a circumferential wall between the bottom portion and a top surface of the piston and protrudes toward an intersection (P0) of a center line of the piston and the top surface in a cross-sectional view that includes the center line; an inclination portion that inclines closer to the top surface toward an outer side in a radial direction from the circumferential protrusion; and a rising portion that rises from the inclination portion toward the top surface.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: October 24, 2023
    Assignee: Komatsu Ltd.
    Inventors: Naoki Onoda, Akira Ito, Tomohiro Shimazu, Satoru Mimura, Takashi Kuribara
  • Publication number: 20230061825
    Abstract: This piston for a diesel engine includes: a bottom portion that has a deepest combustion chamber bottom in the combustion chamber; a circumferential protrusion that is provided around an entire circumference of a circumferential wall between the bottom portion and a top surface of the piston and protrudes toward an intersection (P0) of a center line of the piston and the top surface in a cross-sectional view that includes the center line; an inclination portion that inclines closer to the top surface toward an outer side in a radial direction from the circumferential protrusion; and a rising portion that rises from the inclination portion toward the top surface.
    Type: Application
    Filed: May 7, 2021
    Publication date: March 2, 2023
    Applicant: Komatsu Ltd.
    Inventors: Naoki Onoda, Akira Ito, Tomohiro Shimazu, Satoru Mimura, Takashi Kuribara