Patents by Inventor Sakiko ISHIHARA

Sakiko ISHIHARA 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: 11959638
    Abstract: A boiler performs mixed-fuel combustion of a sulfur-containing fuel and ammonia as a fuel, and includes a furnace having a plurality of wall parts, a burner installed on at least one of the wall parts of the furnace, and an ammonia injection port that is configured to cause the ammonia to be burned as the fuel to flow along an inner wall surface of the wall part where the burner is not installed.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: April 16, 2024
    Assignee: IHI Corporation
    Inventors: Juwei Zhang, Takamasa Ito, Sakiko Ishihara
  • Patent number: 11879638
    Abstract: A boiler performs mixed-fuel combustion of a sulfur-containing fuel and ammonia as a fuel, and includes a furnace having a plurality of wall parts, a burner installed on at least one of the wall parts of the furnace, and an ammonia injection port that is configured to cause the ammonia to be burned as the fuel to flow along an inner wall surface of the wall part where the burner is not installed.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: January 23, 2024
    Assignee: IHI Corporation
    Inventors: Juwei Zhang, Takamasa Ito, Sakiko Ishihara
  • Publication number: 20210140629
    Abstract: A boiler performs mixed-fuel combustion of a sulfur-containing fuel and ammonia as a fuel, and includes a furnace having a plurality of wall parts, a burner installed on at least one of the wall parts of the furnace, and an ammonia injection port that is configured to cause the ammonia to be burned as the fuel to flow along an inner wall surface of the wall part where the burner is not installed.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Applicant: IHI Corporation
    Inventors: Juwei ZHANG, Takamasa ITO, Sakiko ISHIHARA