Patents by Inventor Koich Hoshi

Koich Hoshi 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 purifying apparatus for an internal combustion engine
    Patent number: 6151890
    Abstract: An unburnt gas component such as unburned hydrocarbon (HC) discharged from an internal combustion engine irrespective of an amount of exhaust gas is purified without fail. The unburnt gas component is prevented from being discharged into the atmosphere.
    Type: Grant
    Filed: April 22, 1998
    Date of Patent: November 28, 2000
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Koich Hoshi