Patents by Inventor Nobuyuki TOZAWA

Nobuyuki TOZAWA 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).

  • Publication number: 20240185713
    Abstract: A signal control system is capable of acquiring an image of a road from a camera disposed around a road in a control target area and includes a passability determination part for determining passability of a road section starting from an intersection on a basis of an abnormality in an image photographed by the camera and a signal control part for controlling a traffic signal device disposed at an intersection included in the road section so as to prevent traffic from inflowing into a closed section.
    Type: Application
    Filed: March 24, 2021
    Publication date: June 6, 2024
    Applicant: NEC Corporation
    Inventors: Nobuyuki TOZAWA, Atsushi MATSUDA, Kei YANAGISAWA, Kosei KOBAYASHI, Shouji HARUYAMA
  • Publication number: 20240175693
    Abstract: An evacuation route guidance system, which can respectively acquire one or more images shot by one or more cameras placed near roads of a target area, and a hazard map which includes locations of one or more dangerous places and locations of one or more safe areas in the target aera, including: a movement analysis part for analyzing movement of one or more moving bodies passing through a road in the target area based on one or more images shot by the one or more cameras at a time of occurrence of a disaster; a route creation part for creating a route adapted to movement of a moving body passing through the road, which route enables the moving body to move to a safe area by avoiding the one or more dangerous places; and a route output part for outputting the route to a predetermined display apparatus.
    Type: Application
    Filed: March 18, 2021
    Publication date: May 30, 2024
    Applicant: NEC Corportion
    Inventors: Nobuyuki TOZAWA, Atsushi MATSUDA, Kei YANAGISAWA, Kosei KOBAYASHI, Shouji HARUYAMA
  • Publication number: 20240153379
    Abstract: A signal control apparatus is connected to a plurality of traffic signals located on a road with a plurality of intersections having travel lanes with designated traffic classifications. The signal control apparatus comprises: means for detecting the number of vehicles staying in the travel lane or lanes of the same traffic classification among the travel lanes of the plurality of intersections; means for determining whether or not to extend or reduce signaling time for permitting traffic of the traffic classification of the travel lane or lanes based on the number of vehicles staying in the travel lane or lanes of the same traffic classification at the plurality of intersections and means for adjusting split of the plurality of traffic signals based on a result of the determination so as to extend or reduce the signaling time.
    Type: Application
    Filed: March 4, 2021
    Publication date: May 9, 2024
    Applicant: NEC Corporation
    Inventors: Nobuyuki TOZAWA, Satoshi KIMURA
  • Publication number: 20230306130
    Abstract: An information processing system includes an event analyzer that detects an occurrence of an event on a basis of data measured by a predetermined sensor; a storage that stores a security policy that defines a user attribute allowed to access to each type of the event; and an access controller that controls whether or not an access from a user to data on which the event is occurring is permitted on a basis of the security policy.
    Type: Application
    Filed: September 2, 2020
    Publication date: September 28, 2023
    Applicant: NEC Corporation
    Inventors: Takayuki SASAKI, Nobuyuki TOZAWA, Tetsuya TANABKI, Yasuhiko OCHIAI, Ayumi NISHIJIMA, Naoki SUGAYA, Kazuki OGATA, Hiroaki AMINAKA, Kei YANAGISAWA, Kosei KOBAYASHI