Patents by Inventor Chiemi Hayashi

Chiemi Hayashi 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: 5407880
    Abstract: A catalyst for the adsorption of hydrocarbons is used in an apparatus for the purification of exhaust gas from an internal engine and comprises a honeycomb monolith carrier, a first layer of at least one zeolite having a different crystalline structure, a second layer containing at least one of Pt and Pd as a catalytic component, and a third layer containing Rh as a catalytic component.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: April 18, 1995
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takuya Ikeda, Chiemi Hayashi, Tetsuo Ito, Koji Masuda, Maki Kamikubo