Patents by Inventor Yoshiaki HATEKAYAMA

Yoshiaki HATEKAYAMA 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).

  • HONEYCOMB FILTER
    Publication number: 20190301325
    Abstract: A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure includes a platinum group element-containing catalyst layer, the platinum group element-containing catalyst layer is disposed only on a side of an inner surface of the partition walls surrounding the inflow cells, and the platinum group element-containing catalyst layer is disposed in a range of at least up to 40% with respect to an overall length of the cells starting from the outflow end face and is not disposed in a range of at least up to 30% with respect to the overall length of the cells starting from the inflow end face, in an extending direction of the cells of the honeycomb structure.
    Type: Application
    Filed: March 18, 2019
    Publication date: October 3, 2019
    Applicants: NGK Insulators, Ltd, Honda Motor Co., ltd.
    Inventors: Fumihiko YOSHIOKA, Yoshiaki HATEKAYAMA, Noritaka MASUMITSU
  • HONEYCOMB FILTER
    Publication number: 20190301327
    Abstract: A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure further includes a platinum group element-containing catalyst layer, the platinum group element-containing catalyst layer is disposed only on a side of an inner surface of the partition walls surrounding the inflow cells, and the platinum group element-containing catalyst layer is disposed in a range of at least up to 35% with respect to an overall length of the cells starting from the inflow end face and is not disposed in a range of at least up to 30% with respect to the overall length of the cells starting from the outflow end face, in an extending direction of the cells of the honeycomb structure.
    Type: Application
    Filed: March 18, 2019
    Publication date: October 3, 2019
    Applicants: NGK Insulators, Ltd., Honda Motor Co., Ltd.
    Inventors: Fumihiko YOSHIOKA, Yoshiaki HATEKAYAMA, Noritaka MASUMITSU
  • HONEYCOMB FILTER
    Publication number: 20190301326
    Abstract: A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure includes a platinum group element-containing catalyst layer, the platinum group element-containing catalyst layer is disposed only on a side of an inner surface of the partition walls surrounding the outflow cells, and the platinum group element-containing catalyst layer is disposed in a range of at least up to 35% with respect to an overall length of the cells starting from the outflow end face and is not disposed in a range of at least up to 30% with respect to the overall length of the cells starting from the inflow end face, in an extending direction of the cells of the honeycomb structure.
    Type: Application
    Filed: March 18, 2019
    Publication date: October 3, 2019
    Applicants: NGK Insulators, Ltd., Honda Motor Co., Ltd.
    Inventors: Fumihiko YOSHIOKA, Yoshiaki HATEKAYAMA, Noritaka MASUMITSU