Patents by Inventor Takuto ARAKAWA

Takuto ARAKAWA 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 CATALYST DEVICE
    Publication number: 20230149907
    Abstract: A gas purification catalyst device comprises: a substrate; and one or more catalyst layers on the substrate. Among the one or more catalyst layers, at least one catalyst layer contains both Cu-CHA-type zeolite particles and iron-supporting metal oxide particles in which iron is supported on metal oxide particles.
    Type: Application
    Filed: April 2, 2021
    Publication date: May 18, 2023
    Applicant: CATALER CORPORATION
    Inventors: Takuto ARAKAWA, Yuya KAWANO, Tsubasa NANJO, Yoshinori YAMASHITA
  • EXHAUST GAS PURIFICATION CATALYST DEVICE
    Publication number: 20230076536
    Abstract: An exhaust gas purification catalyst device including a substrate and an SCR catalyst layer on the substrate, the substrate containing catalyst precious metal particles directly supported on the substrate, the catalyst precious metal particles containing Pt, and the catalyst precious metal particles having an average particle diameter of 30 to 120 nm inclusive.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 9, 2023
    Applicant: CATALER CORPORATION
    Inventors: Tsubasa NANJO, Yuya KAWANO, Takuto ARAKAWA, Yoshinori YAMASHITA, Shunsuke OHISHI, Ryosuke TAKASU