Patents by Inventor Ross Y. Iwamoto

Ross Y. Iwamoto 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).

  • Hydrocarbon fuel composition containing carbonate additive
    Patent number: 4904279
    Abstract: Hydrocarbon fuels heavier than gasoline, especially diesel fuel compositions, contain carbonate additives, preferably non-aromatic, metals-free carbonates, to reduce particulate emissions therefrom when combusted in an internal combustion engine.
    Type: Grant
    Filed: January 13, 1988
    Date of Patent: February 27, 1990
    Assignee: Union Oil Company of California
    Inventors: Diane D. Kanne, Ross Y. Iwamoto
  • Hydrocarbon fuel composition containing carbonate additive
    Patent number: 4891049
    Abstract: Hydrocarbon fuels heavier than gasoline, especially diesel fuel compositions, contain carbonate additives, preferably non-aromatic, metals-free carbonates, to reduce particulate emissions therefrom when combusted in an internal combustion engine.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: January 2, 1990
    Assignee: Union Oil Company of California
    Inventors: Diane M. Dillon, Ross Y. Iwamoto