Patents by Inventor Hitomi Sahara

Hitomi Sahara 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 device, map displaying method and image display device
    Patent number: 6954696
    Abstract: A navigation device simultaneously displays two screens of maps on a common display unit and includes a map data storage unit for storing map data and a resolution conversion unit for converting the resolution of the map data acquired from the map data storage unit. The display unit has a predetermined display area for displaying a map based on the map data with its resolution having been converted.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: October 11, 2005
    Assignees: Sony Corporation, Denso Corporation
    Inventors: Koji Ihara, Atsushi Kuribayashi, Tatsuya Yamamoto, Hitomi Sahara, Takeshi Tsukada, Yoshinori Watanabe
  • Navigation device, digital map display system, digital map displaying method in navigation device, and program
    Patent number: 6772063
    Abstract: A navigation device including a registration unit for registering an index designated by a user's operation and data of a spot coordinate in association with each other, and a display for displaying a plurality of registered indexes as a list, the display displaying, together with the list, a digital map of a spot coordinate corresponding to an active index selected from the list of indexes.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: August 3, 2004
    Assignees: Sony Corporation, Denso Corporation
    Inventors: Koji Ihara, Atsushi Kuribayashi, Tatsuya Yamamoto, Hitomi Sahara, Takeshi Tsukada, Yoshinori Watanabe
  • Navigation device, map displaying method and image display device
    Publication number: 20030069689
    Abstract: There is provided a navigation device for simultaneously displaying two screens of maps on a common display unit, the device comprising a map data storage unit for storing map data, and a resolution conversion unit for converting the resolution of the map data acquired from the map data storage unit, wherein the display unit has a predetermined display area for displaying a map based on the map data with its resolution converted. A map displaying method and an image display device are also provided.
    Type: Application
    Filed: August 28, 2002
    Publication date: April 10, 2003
    Inventors: Koji Ihara, Atsushi Kuribayashi, Tatsuya Yamamoto, Hitomi Sahara, Takeshi Tsukada, Yoshinori Watanabe
  • Navigation device, digital map display system, digital map displaying method in navigation device, and program
    Publication number: 20030050753
    Abstract: There is provided a navigation device comprising registration means for registering an index designated by a user's operation and data of a spot coordinate in association with each other, and display means for displaying a plurality of registered indexes as a list, the display means displaying, together with the list, a digital map of a spot coordinate corresponding to an active index selected from the indexes. A digital map display system and a digital map displaying method are also provided.
    Type: Application
    Filed: September 3, 2002
    Publication date: March 13, 2003
    Inventors: Koji Ihara, Atsushi Kuribayashi, Tatsuya Yamamoto, Hitomi Sahara, Takeshi Tsukada, Yoshinori Watanabe