Patents by Inventor Ryosuke SUGAI

Ryosuke SUGAI 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: 12664113
    Abstract: A multi-core system includes a first processor core, a first memory coupled to the first processor core, a first communication IF including a first DMA unit coupled to the first memory, a second processor core, a second memory coupled to the second processor core, a second communication IF including a second DMA unit coupled to the second memory, and an MMU. In a case where page data of a page designated as a read destination by the first processor core is stored in the second memory, the MMU causes the first DMA unit to set a first transmission descriptor based on a page number of the page. The first communication IF transmits a data request including the page number and destination data to the second communication IF according to the first transmission descriptor.
    Type: Grant
    Filed: February 9, 2024
    Date of Patent: June 23, 2026
    Assignee: Renesas Electronics Corporation
    Inventor: Ryosuke Sugai
  • Publication number: 20240311321
    Abstract: A multi-core system includes a first processor core, a first memory coupled to the first processor core, a first communication IF including a first DMA unit coupled to the first memory, a second processor core, a second memory coupled to the second processor core, a second communication IF including a second DMA unit coupled to the second memory, and an MMU. In a case where page data of a page designated as a read destination by the first processor core is stored in the second memory, the MMU causes the first DMA unit to set a first transmission descriptor based on a page number of the page. The first communication IF transmits a data request including the page number and destination data to the second communication IF according to the first transmission descriptor.
    Type: Application
    Filed: February 9, 2024
    Publication date: September 19, 2024
    Inventor: Ryosuke SUGAI