Patents by Inventor Takashi TOYAO

Takashi TOYAO 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).

  • TWC catalysts containing high dopant support
    Patent number: 11794170
    Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a first catalytic region on the substrate; wherein the first catalytic region comprises a first PGM component and a first inorganic oxide, wherein the IR intensity ratio of bridge CO to atop CO on the PGM component is less than 3:1 under standard CO adsorption procedure.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: October 24, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Yuan Jing, Shuhei Nagaoka, Ken-ichi Shimizu, Takashi Toyao
  • TWC CATALYSTS CONTAINING HIGH DOPANT SUPPORT
    Publication number: 20220072515
    Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a first catalytic region on the substrate; wherein the first catalytic region comprises a first PGM component and a first inorganic oxide, wherein the IR intensity ratio of bridge CO to atop CO on the PGM component is less than 3:1 under standard CO adsorption procedure.
    Type: Application
    Filed: November 18, 2021
    Publication date: March 10, 2022
    Inventors: Yuan JING, Shuhei NAGAOKA, Ken-ichi SHIMIZU, Takashi TOYAO
  • TWC CATALYSTS CONTAINING HIGH DOPANT SUPPORT
    Publication number: 20200030776
    Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a first catalytic region on the substrate; wherein the first catalytic region comprises a first PGM component and a first inorganic oxide, wherein the IR intensity ratio of bridge CO to atop CO on the PGM component is less than 3:1 under standard CO adsorption procedure.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 30, 2020
    Inventors: Yuan JING, Shuhei NAGAOKA, Ken-ichi SHIMIZU, Takashi TOYAO