Patents by Inventor Ayumu SHINGU

Ayumu SHINGU 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: 10533859
    Abstract: A map update system, a navigation device, and a server device is provided. The map update system updates map data of the navigation device based on map data stored by the server device, the map data includes section data corresponding to each section of a navigation map divided into multiple sections and management data designating the section data to be referenced when rendering, the server device receives generation information from the navigation device of map data being currently referenced by the navigation device and creates difference data between map data of a generation corresponding to the received generation information and map data of a newest generation, the navigation device creates updated management data and updated section data by updating management data and section data corresponding to the difference data and writes respectively updated data on different areas that are different from areas on which respective pre-update data area stored.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: January 14, 2020
    Assignee: TOYOTA MAPMASTER INCORPORATED
    Inventors: Takahiro Miwa, Ayumu Shingu
  • Publication number: 20170314932
    Abstract: A map update system, a navigation device, and a server device is provided. The map update system updates map data of the navigation device based on map data stored by the server device, the map data includes section data corresponding to each section of a navigation map divided into multiple sections and management data designating the section data to be referenced when rendering, the server device receives generation information from the navigation device of map data being currently referenced by the navigation device and creates difference data between map data of a generation corresponding to the received generation information and map data of a newest generation, the navigation device creates updated management data and updated section data by updating management data and section data corresponding to the difference data and writes respectively updated data on different areas that are different from areas on which respective pre-update data area stored.
    Type: Application
    Filed: October 6, 2015
    Publication date: November 2, 2017
    Applicant: Toyota Mapmaster Incorporated
    Inventors: Takahiro MIWA, Ayumu SHINGU