Patents Assigned to NEC Corporation
  • Publication number: 20250125957
    Abstract: An information processing device includes an authenticated memory encryption engine configured to perform a cryptographic process and an authentication process using an authentication tree for data, and perform an authentication process for tags of respective nodes present on a path from a leaf node to which the data is assigned to a root node, in which the authenticated memory encryption engine is further configured to: update, when any of nodes in the authentication tree is to be deleted, a counter value assigned to a parent node of the node to be deleted based on a counter value assigned to the node to be deleted; and set, when a new node is to be added at a position where the deleted node was originally located in the authentication tree, a counter value assigned to the added node based on a counter value assigned to a parent node of the added node.
    Type: Application
    Filed: October 1, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventor: Jun FURUKAWA
  • Publication number: 20250126038
    Abstract: Data transmission means divides data into one or more transmission packets in units of a predetermined size in conformity with a predetermined protocol, transmits the transmission packets to a reception apparatus, and receives an acknowledgement packet returned from the reception apparatus. Data size acquisition means acquires a data size of transmission data. Acknowledgement reception time acquisition means acquires a reception time of an acknowledgement packet. An available bandwidth calculation means calculates the available bandwidth in a network using the reception time of the acknowledgement packet when a sum of the data sizes of the transmission data in the predetermined time is double or more the predetermined size.
    Type: Application
    Filed: March 8, 2022
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Wenjing CUI, Nobuo FUWA, Yasuhiro MIZUKOSHI, Yasunori FUTATSUGI, Kiyotaka KAJI, Kazuhiro FUKUOKA, Kenichi SAWADA
  • Publication number: 20250126586
    Abstract: The present document proposes enablers for multiple user identities per UE. It defines user identity profiles for the users sharing the same UE and it allows for these user identity profiles to be provisioned in the UE's subscription information. The proposal enables multi user UEs to register at the same time for one or more users that are sharing the UE with optional extra user-specific authentication and authorisation. When registered, such a multi user UE can initiate per user PDU Session establishment and also can be paged for per user (one or more users) mobile terminated services.
    Type: Application
    Filed: December 18, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20250125879
    Abstract: A reception control device that includes a first processing circuit that includes a switching circuit including a switch connected to light receiving elements, a selection switch arranged for each group to which the light receiving elements are allocated, and a changeover switch that switches an output destination of the selection switch for each group, and an amplifier circuit including amplifiers connected to an output of the switching circuit, a selector that is connected to an output of the first processing circuit, second processing circuits that is arranged downstream of the selector and decodes a signal allocated via the selector, and a control circuit that controls the switching circuit to allocate a signal from the light receiving elements to one of the amplifiers, and controls the selector to allocate the signal amplified by the amplifier circuit to one of the second processing circuits.
    Type: Application
    Filed: September 15, 2021
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Koya TAKATA, Hisashi MIZUMOTO, Fujio OKUMURA
  • Publication number: 20250125801
    Abstract: A superconducting quantum circuit apparatus includes: a coupler; a plurality of coupling ports; a plurality of qubits coupled to the coupler via the plurality of coupling ports, respectively; and a reserve port provided as a spare coupling port to be coupled to the coupler, separately from the plurality of coupling ports.
    Type: Application
    Filed: July 25, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Aiko YAMAGUCHI, Tomohiro YAMAJI, Ryoji MIYAZAKI
  • Publication number: 20250126063
    Abstract: A relay apparatus includes: a reception part recording a reception time of the data packet at the relay apparatus in the data packet; a packet buffer part storing the data packet; an upstream-side communication time calculation part calculating an upstream-side communication time by subtracting a transmission time at the transmission apparatus from the reception time at the relay apparatus; a downstream-side communication time calculation part calculating a downstream-side communication time based on a downstream-side communication time function and a capacity value; a timer part counting a retention time of the data packet; a deadline management part calculating a deadline of the data packet based on the upstream-side communication time, the downstream-side communication time, and the retention time; and a transmission part transmitting with a highest priority a data packet corresponding to a minimum value of a deadline among data packets stored.
    Type: Application
    Filed: October 1, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventor: Takahiro FUJISAKU
  • Publication number: 20250126315
    Abstract: To suppress deterioration in accuracy of prediction of a communication throughput. A video image distribution apparatus includes: a pixel shifting unit for changing pixel values of pixels in a captured video image when a volume of data after encoding the captured video image is small; an encoding unit for encoding the captured video image; a transmission unit for transmitting the encoded captured video image; and a prediction unit for predicting a communication throughput using an effective throughput of transmission of the captured video image.
    Type: Application
    Filed: August 30, 2021
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Keisuke Suzuki, Yasuhiro Mizukoshi, Takashi Yamane
  • Publication number: 20250124785
    Abstract: A traffic control apparatus (102) includes an estimation unit (103) that estimates an emission amount of a vehicle at a target point, and a traffic control unit (104) that executes processing for controlling a traffic volume of a vehicle passing through a target point by use of the estimated emission amount.
    Type: Application
    Filed: March 18, 2022
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventor: Kosei Kobayashi
  • Publication number: 20250124731
    Abstract: The acquisition means acquires reader information and content information. The prompt generation means generates a prompt based on the reader information and the content information. The content editing means inputs the prompt into a large language model and acquire an output from the large language model as edited content.
    Type: Application
    Filed: October 1, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Yuki KOBAYASHI, Tsuyoshi NAKAMURA, Yoshikazu ARAI, Kenichi UEDA, Shinnosuke NiSHIMOTO
  • Publication number: 20250123140
    Abstract: It is an object of the present disclosure to provide a signal processing apparatus, a system, a method, and a non-transitory computer-readable medium capable of estimating the signal generation position in consideration of the optical fiber laying information and the optical fiber gauge length. A signal processing apparatus according to the present disclosure includes: a signal source candidate generation means configured to generate a plurality of signal source candidate positions; a composite data generation means configured to calculate a distortion signal, which is generated when a signal generated from a signal source distorts an optical fiber, based on a plurality of pieces of optical fiber laying information, a plurality of optical fiber gauge lengths, and the plurality of signal source candidate positions.
    Type: Application
    Filed: February 21, 2022
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Wataru Kohno, Sakiko Mishima, Reishi Kondo, Tomoyuki Hino
  • Publication number: 20250124313
    Abstract: To determine, with high accuracy, a label to be given to an object even in a case where only a single prediction model exists, an information processing apparatus (1) includes: an acquisition unit (11) that acquires a set of objects; an evaluation unit (12) that evaluates a degree of similarity between objects included in the set of objects and identifies one or a plurality of similar objects which are similar to a prediction target object; and a prediction unit (13) that determines a label to be given to the prediction target object with reference to a similar label(s), the similar label(s) being a label(s) which is/are given to each of the one or a plurality of similar objects and which has/have been predicted by a prediction model.
    Type: Application
    Filed: November 11, 2021
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Kosuke AKIMOTO, Kunihiro TAKEOKA, Masafumi OYAMADA
  • Publication number: 20250124723
    Abstract: Provided is a point cloud processing system including: a sensing information acquisition means for acquiring sensing information including a sensing point cloud generated by a sensing means, which is mounted on a moving body traveling on any one of a plurality of travel tracks extending in parallel to one another, for sensing an area ahead in a heading direction of the moving body, and track identification information identifying a travel track on which the moving body travels while performing sensing; and a first registration means for registering the sensing point cloud with respect to a travel track point cloud associated with the travel track on which the moving body travels while performing sensing, among a travel environment point cloud being a known point cloud of a travel environment including the plurality of travel tracks.
    Type: Application
    Filed: October 2, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventor: Junichi Abe
  • Publication number: 20250124386
    Abstract: A learning device acquires history information about a proposal which has been implemented in a negotiation, acquires an evaluation value for a proposal from a negotiation counterpart, and learns a determination method for an own proposal to the negotiation counterpart, based on the history information and the evaluation value.
    Type: Application
    Filed: August 30, 2022
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Ryota HIGA, Shinji NAKADAI, Katsuhide FUJITA, Toki TAKAHASHI
  • Publication number: 20250124062
    Abstract: High-quality content generated with use of machine-learned generative model is presented to a user. An information processing apparatus includes: a first generating section for causing a first generative model to generate first content; a second generating section for using the first content to cause a second generative model to generate second content; and a presenting section for presenting the second content to a user. This information processing apparatus even makes it possible to optimize the second content to be presented to a user.
    Type: Application
    Filed: October 8, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Masahiro SERIZAWA, Shinnosuke Nishimoto, Akio Yoshioka, Masahiro Iwadare
  • Publication number: 20250120614
    Abstract: An acquisition unit acquires image data indicating at least a chest and an abdomen of a test subject. A detection unit detects the displacement of each of the chest and abdomen of the test subject by using the image data. A display control unit performs control so that the movement image of each of the chest and abdomen is displayed based on the detected displacement of the chest and abdomen. When the movement of the chest and the movement of the abdomen are synchronized with each other, the display control unit performs control so that the display form of the chest movement image and the display form of the abdomen movement image are the same as each other.
    Type: Application
    Filed: July 25, 2022
    Publication date: April 17, 2025
    Applicants: NEC Corporation, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Makoto YASUKAWA, Yuji OHNO, Yuki KOSAKA, Hirofumi TAKASE, Junpei KATOU, Akimoto NIMURA, Koji FUJITA, Takuya IBARA
  • Publication number: 20250125797
    Abstract: A high-frequency switch circuit according to the present disclosure includes: an input terminal; an output terminal; a first switch connected between the input terminal and the output terminal; a first transmission line, one end of the first transmission line being connected to the input terminal and an input-side terminal of the first switch; a second transmission line, one end of the second transmission line being connected to the output terminal and an output-side terminal of the first switch; and a second switch connected between another end of the first transmission line and another end of the second transmission line, the second switch being controlled so that a conduction state and a cut-off state are exclusive to the first switch.
    Type: Application
    Filed: September 27, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventor: Koki TANJI
  • Publication number: 20250121252
    Abstract: An exercise assisting apparatus 1 includes: a division unit 312 configured to divide sample motion information 3231 indicating motions of a sample person doing exercise into a plurality of pieces of motion element information 3235, according to regularity of the motions of the sample person; and a generation unit 314 configured to generate an inference model by causing a pre-trained model 322 to learn time-series antecedent dependency of the plurality of pieces of motion element information, the inference model inferring motions of a target person, based on target motion information 3211 indicating the motions of the target person doing exercise.
    Type: Application
    Filed: October 13, 2023
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Makoto YASUKAWA, Kosuke NISHIHARA, Yuji OHNO
  • Publication number: 20250124109
    Abstract: Provided is an evaluation apparatus that narrows down a cause of a case where performance of a language processing model is not satisfactory. An evaluation apparatus includes: an acquisition section for acquiring embeddings for natural language sentences that are respectively included in a plurality of training data pieces, the embeddings having been generated with use of an embedding layer included in a language processing model; a clustering section for carrying out clustering of the embeddings; a calculation section for calculating, with reference to labels included in the respective plurality of training data pieces, an evaluation index indicating an evaluation of a result of the clustering; and an evaluation section for evaluating quality of the embedding layer based on the evaluation index. Thus, it is possible to optimize performance of a language processing model which has been subjected to machine learning.
    Type: Application
    Filed: October 4, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventors: Katsushi MATSUDA, Takao Osaki
  • Publication number: 20250124478
    Abstract: A system includes a distribution control server and a management server. The distribution control server controls data accumulation to make data related to a service that is provided to a user from a data accumulator a target for data distribution. The distribution control server controls data sharing for a data sharing destination to acquire the accumulated data. The distribution control server controls data providing for a data providing destination to acquire the accumulated data. The management server charges an accumulation platform usage fee related to the data accumulation to the data accumulator. The management server charges a sharing platform usage fee related to data sharing to the data sharing destination. The management server charges a providing platform usage fee related to data providing to the data providing destination.
    Type: Application
    Filed: March 1, 2022
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventor: Yusuke SATO
  • Publication number: 20250124141
    Abstract: An information processing device includes an authenticated memory encryption engine configured to perform a cryptographic process and an authentication process using an authentication tree for data to be exchanged between a data cache and a memory, and perform an authentication process for at least one tag respectively generated in at least one node present on a path from a leaf node to which the data is assigned to a root node, in which a counter assigned to each node in the authentication tree is formed of a major counter and a minor counter, the major counter is shared by a plurality of nodes having a common parent node, and the authenticated memory encryption engine is further configured to be able to wait for a process for updating a value of the major counter which occurs as a result of a process for updating a value of the minor counter.
    Type: Application
    Filed: September 18, 2024
    Publication date: April 17, 2025
    Applicant: NEC Corporation
    Inventor: Jun FURUKAWA