Patents by Inventor Masaharu Umezu

Masaharu Umezu 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: 9322659
    Abstract: A map information processing apparatus includes a map information storage unit 111 for storing map information which is separated into multiple layers, a layer-to-be-updated-with-addition determination processing unit 118 for determining one or more layers which are to be updated with addition of an unregistered road which has been detected during travel of a vehicle, and an unregistered road adding and updating unit 117 for adding the unregistered road to the map information storage unit to update the map information with the addition being aimed at the one or more layers determined by the layer-to-be-updated-with-addition determination processing unit.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: April 26, 2016
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tomoya Ikeuchi, Atsushi Kohno, Tomohiro Nakae, Masaharu Umezu, Yasushi Kodaka
  • Patent number: 9062981
    Abstract: An apparatus includes a map information storage section (16) that stores map information on an area by area basis formed in meshes; a positioning section (15) for measuring its own present location; a new road detecting section (19) for deciding that a new road is detected when the present location is determined to be on a road not included in the map information; a new road registration decision section (20) for deciding that the new road is registerable to the map information stored in the map information storage section when the road density in the area including the new road is equal to or less than a predetermined value; and a new road registration section (21) for registering the new road to the map information stored in the map information storage section, when the new road is determined to be registerable.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: June 23, 2015
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tomoya Ikeuchi, Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani
  • Patent number: 8983769
    Abstract: An apparatus includes a map information storage section for storing map information on an area by area basis formed in meshes; a positioning section for measuring its own present location; a new road detecting section; a new road registration decision section for deciding that the new road is additionally registerable to the map information stored in the map information storage section when the road density in the area including the new road detected by the new road detecting section is equal to or less than a predetermined value; and a new road registration section for making additional registration of the new road, as to which the new road registration decision section makes an additionally registerable decision, to the map information stored in the map information storage section.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: March 17, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomoya Ikeuchi, Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani
  • Patent number: 8803907
    Abstract: A map information processor includes a map information storage unit 13 for storing map display information including a set of pieces of mesh-by-mesh map information managed on a mesh-by-mesh basis and including road information, background information, and in-mesh image information, an image processing unit 15 for generating a map image on a basis of image data included in the road information, the background information, and the in-mesh image information included in the mesh-by-mesh map information read from the map information storage unit, and a display device 5 for displaying the map image generated by the image processing unit.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: August 12, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomoya Ikeuchi, Makoto Mikuriya, Tomohiro Nakae, Masaharu Umezu, Yasushi Kodaka
  • Patent number: 8626442
    Abstract: A map information processing apparatus includes a map information storage unit (15) for storing map information, a map update information storage unit (8) for storing one or more pieces of map update information (30 to 32) used for updating yet-to-be-updated map information, a map update information selection unit (19) for selecting one or more pieces of map update information required to update the map information stored in the map information storage unit (15) from the one or more pieces of map update information stored in the map update information storage unit, and a map information updating unit (20) for updating the map information stored in the map information storage unit (15) by applying the one or more pieces of map update information selected by the map update information selection unit to the map information one by one in order of updating.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: January 7, 2014
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Tomoya Ikeuchi, Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani
  • Patent number: 8532926
    Abstract: A map information processing device includes a map information storage unit 23 for storing map information, a sensor information input unit 22 for inputting sensor information used for calculation of a current position, a navigation processing unit 25 for calculating the current position by using the map information read from the map information storage unit, and the sensor information inputted from the sensor information input unit, and for, when determining that the above-mentioned calculated current position is in a tunnel shown by the read map information, and when this tunnel branches into tunnel sections at a forward position, calculating a distance to each of all tunnel end points to generate a map image about a map including this calculated distance, and an output control unit 26 for outputting the map image generated by the navigation processing unit.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: September 10, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomoya Ikeuchi, Makoto Mikuriya, Masaharu Umezu, Yasushi Kodaka, Kosei Uchino
  • Patent number: 8483953
    Abstract: A map information processing apparatus is disclosed. The apparatus includes a processor for calculating a vehicle position; a data generation unit for generating traveling locus data on the basis of the calculated vehicle position when the vehicle position deviates from a road; a registration unit for registering the traveling locus data generated by the data generation unit in a temporarily registered road list as a temporarily registered road; an operation unit for selecting one of temporarily registered roads registered in the temporarily registered road list; and an official registration unit for registering the selected temporarily registered road in an officially registered road list as an officially registered road in accordance with an instruction from the operation unit, generating road data on the basis of traveling locus data relating to the temporarily registered road, and adding the generated road data to a map data stored in a map data storage unit.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: July 9, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masaharu Umezu, Atsushi Kohno, Kiyoshi Matsutani, Tomoya Ikeuchi, Makoto Mikuriya, Tomohiro Nakae, Yasushi Kodaka
  • Patent number: 8380432
    Abstract: A map information processing apparatus includes a road matching means (143) for comparing the road data with current position data to carry out map matching, an input unit (130) for inputting both a specified detection start point and a specified detection end point, an unregistered road detection means (144) to which both the specified detection start point and the specified detection end point are inputted, for detecting, as an unregistered road, a section between a detection start point and a detection end point of the unregistered road which are acquired on the basis of either the map matching carried out by the road matching means or the result of comparison between running track data and the road data, and a road data generating means (145) for generating road data corresponding to the detected unregistered road and storing the road data in a map data storage means.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: February 19, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomohiro Nakae, Atsushi Kohno, Tomoya Ikeuchi, Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani, Fumitaka Satou, Yuta Kawana
  • Publication number: 20110313661
    Abstract: An apparatus includes a map information storage section (16) for storing map information on an area by area basis formed in meshes; a positioning section (15) for measuring its own present location; a new road detecting section (19) for deciding that a new road is detected when the present location measured by the positioning section is on a road not included in the map information stored in the map information storage section; a new road registration decision section (20) for deciding that the new road is additionally registrable to the map information stored in the map information storage section when the road density in the area including the new road detected by the new road detecting section is equal to or less than a predetermined value; and a new road registration section (21) for making additional registration of the new road, as to which the new road registration decision section makes an additionally registrable decision, to the map information stored in the map information storage section.
    Type: Application
    Filed: August 30, 2011
    Publication date: December 22, 2011
    Inventors: Tomoya IKEUCHI, Masaharu UMEZU, Makoto MIKURIYA, Mitsuo SHIMOTANI
  • Publication number: 20110313659
    Abstract: An apparatus includes a map information storage section (16) for storing map information on an area by area basis formed in meshes; a positioning section (15) for measuring its own present location; a new road detecting section (19) for deciding that a new road is detected when the present location measured by the positioning section is on a road not included in the map information stored in the map information storage section; a new road registration decision section (20) for deciding that the new road is additionally registrable to the map information stored in the map information storage section when the road density in the area including the new road detected by the new road detecting section is equal to or less than a predetermined value; and a new road registration section (21) for making additional registration of the new road, as to which the new road registration decision section makes an additionally registrable decision, to the map information stored in the map information storage section.
    Type: Application
    Filed: August 30, 2011
    Publication date: December 22, 2011
    Inventors: Tomoya Ikeuchi, Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani
  • Publication number: 20110313823
    Abstract: An apparatus includes a map information storage section (16) for storing map information on an area by area basis formed in meshes; a positioning section (15) for measuring its own present location; a new road detecting section (19) for deciding that a new road is detected when the present location measured by the positioning section is on a road not included in the map information stored in the map information storage section; a new road registration decision section (20) for deciding that the new road is additionally registrable to the map information stored in the map information storage section when the road density in the area including the new road detected by the new road detecting section is equal to or less than a predetermined value; and a new road registration section (21) for making additional registration of the new road, as to which the new road registration decision section makes an additionally registrable decision, to the map information stored in the map information storage section.
    Type: Application
    Filed: August 30, 2011
    Publication date: December 22, 2011
    Inventors: Tomoya IKEUCHI, Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani
  • Publication number: 20110231090
    Abstract: A map information processing device includes a map information storage unit 23 for storing map information, a sensor information input unit 22 for inputting sensor information used for calculation of a current position, a navigation processing unit 25 for, when determining that a vehicle has entered a tunnel on a basis of a current position which the navigation processing unit calculates by using the map information read from the map information storage unit and the sensor information inputted from the sensor information input unit, creating a map image having a display scale with which a whole shape of the above-mentioned tunnel is included in a single screen, and an output control unit 26 for outputting the map image created by the navigation processing unit.
    Type: Application
    Filed: November 25, 2009
    Publication date: September 22, 2011
    Inventors: Tomoya Ikeuchi, Makoto Mikuriya, Masaharu Umezu, Yasushi Kodaka, Kosei Uchino
  • Publication number: 20110231093
    Abstract: A map information processing device includes: a map information storage unit 23 for storing map information; a sensor information input unit 22 for inputting sensor information used for calculation of a current position; a navigation processing unit 25 for calculating the current position by using the map information read from the map information storage unit, and the sensor information inputted from the sensor information input unit, and for, when determining, from the above-mentioned calculated current position, that a vehicle has entered a tunnel shown by the above-mentioned read map information, calculating the number of tunnels excising forwardly and continuously at intervals of a predetermined distance or less from the above-mentioned tunnel to generate a map image about a map including the above-mentioned calculated number of tunnels; and an output control unit 26 for outputting the map image generated by the navigation processing unit 25.
    Type: Application
    Filed: November 25, 2009
    Publication date: September 22, 2011
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tomoya Ikeuchi, Makoto Mikuriya, Masaharu Umezu, Yasushi Kodaka, Kosei Uchino
  • Publication number: 20110231089
    Abstract: A map information processing device includes a map information storage unit 23 for storing map information, a sensor information input unit 22 for inputting sensor information used for calculation of a current position, a navigation processing unit 25 for calculating the current position by using the map information read from the map information storage unit, and the sensor information inputted from the sensor information input unit, and for, when determining that the above-mentioned calculated current position is in a tunnel shown by the read map information, and when this tunnel branches into tunnel sections at a forward position, calculating a distance to each of all tunnel end points to generate a map image about a map including this calculated distance, and an output control unit 26 for outputting the map image generated by the navigation processing unit.
    Type: Application
    Filed: November 10, 2009
    Publication date: September 22, 2011
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tomoya Ikeuchi, Makoto Mikuriya, Masaharu Umezu, Yasushi Kodaka, Kosei Uchino
  • Publication number: 20110175931
    Abstract: A map information processor includes a map information storage unit 13 for storing map display information including a set of pieces of mesh-by-mesh map information managed on a mesh-by-mesh basis and including road information, background information, and in-mesh image information, an image processing unit 15 for generating a map image on a basis of image data included in the road information, the background information, and the in-mesh image information included in the mesh-by-mesh map information read from the map information storage unit, and a display device 5 for displaying the map image generated by the image processing unit.
    Type: Application
    Filed: July 2, 2008
    Publication date: July 21, 2011
    Inventors: Tomoya Ikeuchi, Makoto Mikuriya, Tomohiro Nakae, Masaharu Umezu, Yasushi Kodaka
  • Patent number: 7890251
    Abstract: A map information providing system has a map information providing apparatus 1 and an onboard information terminal 3. The map information providing apparatus 1 selects a road represented by the coordinate point string data indicating a newly established road in accordance with distribution request information obtained from the onboard information terminal, and distributes the distribution road information containing the coordinate point string data about the road selected to the onboard information terminal.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: February 15, 2011
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomohiro Nakae, Masaharu Umezu, Tomoya Ikeuchi, Yasushi Kodaka, Makoto Mikuriya
  • Patent number: 7890255
    Abstract: A map information processing apparatus includes a map information storage unit (15) for storing map information, a map update information storage unit (8) for storing one or more pieces of map update information (30 to 32) used for updating yet-to-be-updated map information, a map update information selection unit (19) for selecting one or more pieces of map update information required to update the map information stored in the map information storage unit (15) from the one or more pieces of map update information stored in the map update information storage unit, and a map information updating unit (20) for updating the map information stored in the map information storage unit (15) by applying the one or more pieces of map update information selected by the map update information selection unit to the map information one by one in order of updating.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: February 15, 2011
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Tomoya Ikeuchi, Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani
  • Patent number: 7877203
    Abstract: In a map information processing apparatus including a processor 5 for updating map information containing map data stored in a map information storage device 3, road network data contained in the map data stored in the map information storage device has a data structure in which the road network data is composed of link strings each of which represents a series of roads in a road network as a series of links connecting nodes, the road network being represented by the nodes and the links; each of the link strings is represented by a link string record in which link records defining the links are arranged in order of the series of the links; each link constituting the link strings is provided with an invariable link identifier proper to each link; and node indication information for designating each node included in the link strings is represented by the link identifier of the link having the node as its one end.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: January 25, 2011
    Assignee: Mitsubishi Electric Corporation
    Inventors: Makoto Mikuriya, Masaharu Umezu, Tomoya Ikeuchi, Mitsuo Shimotani
  • Publication number: 20100332128
    Abstract: A map information processing apparatus includes a map information storage unit (15) for storing map information, a map update information storage unit (8) for storing one or more pieces of map update information (30 to 32) used for updating yet-to-be-updated map information, a map update information selection unit (19) for selecting one or more pieces of map update information required to update the map information stored in the map information storage unit (15) from the one or more pieces of map update information stored in the map update information storage unit, and a map information updating unit (20) for updating the map information stored in the map information storage unit (15) by applying the one or more pieces of map update information selected by the map update information selection unit to the map information one by one in order of updating.
    Type: Application
    Filed: September 3, 2010
    Publication date: December 30, 2010
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventors: Tomoya IKEUCHI, Masaharu Umezu, Makoto Mikuriya, Mitsuo Shimotani
  • Patent number: 7797103
    Abstract: A navigation apparatus includes an unregistered road detecting means for setting up a detection start point and a detection end point for an unregistered road on registered roads which are respectively located before and behind sections in which matching result data indicates a free state, respectively, the matching result data indicating a matching state when the vehicle is traveling each of the registered roads, for performing a coordinate transformation on a traveling path which is created from positioning data and which is extending between the two points so that the traveling path has coordinates which match with the coordinates of a registered road between them, and for detecting the coordinates of the unregistered road from a portion of the coordinate-transformed traveling path which does not overlap any registered road, and a road data generating means for creating road data about the unregistered road from the coordinates of the unregistered road.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: September 14, 2010
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tadatomi Ishigami, Norihiro Nishiuma, Yoshitsugu Sawa, Yukio Goto, Hiroyuki Kumazawa, Masaharu Umezu, Tomoya Ikeuchi, Atsushi Kohno, Masayuki Ishida, Mitsuo Shimotani