Patents by Inventor Mayumi Naganuma

Mayumi Naganuma 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).

  • Navigation system and navigation equipment
    Patent number: 7071843
    Abstract: A navigation system and navigation equipment which reduce the time required for radio transmissions to implement fast navigational guidance. The navigation equipment communicates bi-directionally by radio with a navigation server, thereby providing navigational guidance. The navigation equipment transmits position data delivered by a GPS receiver to the navigation server through a communication device and acquires, from the communication device, map data for display indicative of a map of a surrounding area including a self-location provided by the position data sent back from the navigation server.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: July 4, 2006
    Assignee: Pioneer Corporation
    Inventors: Masaya Hashida, Toshiki Matsukawa, Mayumi Naganuma
  • Navigation system and navigation equipment
    Publication number: 20030201912
    Abstract: A navigation system and navigation equipment which reduce the time required for radio transmissions to implement fast navigational guidance. The navigation equipment communicates bi-directionally by radio with a navigation server, thereby providing navigational guidance. The navigation equipment transmits position data delivered by a GPS receiver to the navigation server through a communication device and acquires, from the communication device, map data for display indicative of a map of a surrounding area including a self-location provided by the position data sent back from the navigation server.
    Type: Application
    Filed: April 24, 2003
    Publication date: October 30, 2003
    Applicant: Pioneer Corporation
    Inventors: Masaya Hashida, Toshiki Matsukawa, Mayumi Naganuma