Patents by Inventor Hiroki Takeori

Hiroki Takeori 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-gas purification system of internal combustion engine
    Patent number: 11486292
    Abstract: An exhaust-gas purification system of an internal combustion engine includes an electrically heated catalytic device and a three-way catalytic device. The electrically heated catalytic device includes a first honeycomb base having a large number of honeycomb passages and a first catalyst component that is supported on, by a predetermined thin-film treatment, surfaces that define the honeycomb passages and that contains one or more types of noble metals. The three-way catalytic device includes a second honeycomb base having a large number of honeycomb passages and a second catalyst component that is supported on surfaces defining the honeycomb passages and that contains one or more types of noble metals. The total noble metal content per unit volume of the second honeycomb base is higher than the total noble metal content per unit volume of the first honeycomb base.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: November 1, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yoshiaki Hatakeyama, Hiroki Takeori, Tetsuo Endo, Shun Kato
  • EXHAUST-GAS PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE
    Publication number: 20210285358
    Abstract: An exhaust-gas purification system of an internal combustion engine includes an electrically heated catalytic device and a three-way catalytic device. The electrically heated catalytic device includes a first honeycomb base having a large number of honeycomb passages and a first catalyst component that is supported on, by a predetermined thin-film treatment, surfaces that define the honeycomb passages and that contains one or more types of noble metals. The three-way catalytic device includes a second honeycomb base having a large number of honeycomb passages and a second catalyst component that is supported on surfaces defining the honeycomb passages and that contains one or more types of noble metals. The total noble metal content per unit volume of the second honeycomb base is higher than the total noble metal content per unit volume of the first honeycomb base.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 16, 2021
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yoshiaki Hatakeyama, Hiroki Takeori, Tetsuo Endo, Shun Kato