Patents by Inventor Atsushi Taniguchi

Atsushi Taniguchi 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: 11412445
    Abstract: An access point management method for managing a plurality of access points capable of providing wireless communication services in accordance with a plurality of wireless standards to a radio terminal apparatus includes acquiring plural pieces of request information which are used for requesting providing of the wireless communication service and include information indicating an area in which the wireless communication service is provided, selecting the access point assigned to each wireless communication service, based on the area requested by the plural pieces of request information acquired and characteristics of a wireless standard provided in the wireless communication service, and transmitting a request signal for deploying the wireless communication service corresponding to the request information, to the access point selected.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: August 9, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takahiro Yamazaki, Kenji Shimizu, Atsushi Taniguchi, Yohei Katayama, Maiko Naya
  • Patent number: 11395324
    Abstract: This invention provides a radio communication method in a radio communication system including a base station apparatus and a radio signal processing apparatus for communicating with the base station apparatus, the radio communication method including granting radio control information that includes at least information specifying a radio scheme to be used as a parameter required for radio communication, to a packet and transmitting the packet from which the radio control information has been removed, by the radio scheme specified by the radio control information granted to the packet.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: July 19, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko Naya, Takashi Shimizu
  • Publication number: 20220210622
    Abstract: An object is to provide a communication system and a base station capable of predicting future communication quality in order to enable variations in communication quality due to variations in environment to be addressed. A communication system and a base station according to the invention learn an input and output relationship from surrounding environment information of the base station that can be acquired by a camera, a sensor, or the like, terminal information such as position information of a terminal and current communication quality to generate a learning model, and predict future communication quality using the learning model, the surrounding environment information, and the terminal information.
    Type: Application
    Filed: April 26, 2019
    Publication date: June 30, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Riichi KUDO, Takeru INOUE, Atsushi TANIGUCHI, Kohei MIZUNO
  • Publication number: 20220190941
    Abstract: Quality of communication between a terminal and an external communication device in response to control of the terminal is predicted by acquiring surrounding environment information or/and terminal information of the terminal, and the terminal is controlled to improve the communication quality, avoid fatal communication quality degradation, or satisfy a control condition of the terminal for the communication quality, thereby realizing control that satisfies a predefined required condition related to communication.
    Type: Application
    Filed: April 26, 2019
    Publication date: June 16, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Riichi KUDO, Takeru INOUE, Atsushi TANIGUCHI, Kohei MIZUNO
  • Publication number: 20220178680
    Abstract: A shape of an object is measured with a high degree of accuracy. A shape measurement system comprises: a distance measuring head for irradiating an object with light and receiving light reflected from the object; a distance measuring device for generating a distance detection waveform on the basis of the reflected light; and a control device for analyzing the distance detection waveform and calculating a measured distance value to the object. The shape measurement system is characterized in that the control device calculates a feature amount of the distance detection waveform and performs at least one of a process of correcting an error in the measured distance value by substituting the feature amount into a correction formula and a process of performing a confidence weighting of an error in the measured distance value by substituting the feature amount into a confidence weighting formula.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 9, 2022
    Inventors: Tatsuo HARIYAMA, Masahiro WATANABE, Atsushi TANIGUCHI, Kenji MARUNO, Akio YAZAKI
  • Publication number: 20220159512
    Abstract: An event regarding control of a terminal that significantly affects communication quality with which communication between between the terminal and an external communication device is performed is predicted by acquiring surrounding information of the terminal using a surrounding environment information collection unit, and a packet loss caused in communication, communication disconnection, and communication quality that does not meet required performance are prevented using communication control to change setting related to communication, such as selection/addition/deletion of a communication counterpart, selection/change of a communication scheme, a change in modulation scheme, coding rate, and number of spatial multiplexings of communication, and a change in setting of an automatic gain controller of a receiver for communication.
    Type: Application
    Filed: April 26, 2019
    Publication date: May 19, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Riichi KUDO, Takeru INOUE, Atsushi TANIGUCHI, Kohei MIZUNO
  • Publication number: 20210293524
    Abstract: Provided is a shape measurement system in order to perform three-dimensional measurement corresponding to a measurement object having various shapes, which includes a measurement probe, a probe tip, and a processor. The probe tip includes an optical element that is configured to irradiate an object with measurement light and a cylindrical unit that is configured to lock the optical element. The processor is configured to calculate an optical path length from the optical element to an object based on reflected light of the measurement light with which the object is irradiated; and calculate a three-dimensional shape of the object based on the input information and the optical path length.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Applicant: HITACHI, LTD.
    Inventors: Tatsuo HARIYAMA, Masahiro WATANABE, Atsushi TANIGUCHI, Kenji MARUNO
  • Publication number: 20210274456
    Abstract: A radio communication method executed by a control apparatus controlling a base station apparatus performing communication with a terminal in a predetermined region, and includes determining whether there is the terminal that is asynchronized in communication with the base station apparatus transmitting a synchronization signal, and controlling, in a case where it is determined that there is the asynchronized terminal, the base station apparatus to increase an allocation time of the synchronization signal in compliance with a radio scheme used by the asynchronized terminal or to shorten an allocation cycle of the synchronization signal.
    Type: Application
    Filed: April 8, 2019
    Publication date: September 2, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei KATAYAMA, Atsushi TANIGUCHI, Kenji SHIMIZU, Takahiro YAMAZAKI, Maiko NAYA
  • Publication number: 20210227538
    Abstract: There is provided a wireless communication method in a wireless communication system including a plurality of base station apparatuses, a plurality of wireless signal processing apparatuses configured to perform signal processing that corresponds to each of a plurality of wireless schemes, and a control apparatus configured to control a transmission timing of signals in the base station apparatus and the wireless signal processing apparatus, the method including: determining a combination of the base station apparatus and the wireless signal processing apparatus that perform communication at each predetermined time by the control apparatus such that there is less overlap in time to establish a communication path between the wireless signal processing apparatus and each of a plurality of base station apparatuses that use the same wireless signal processing apparatus, in which the base station apparatus and the wireless signal processing apparatus perform communication by switching a determined combination of t
    Type: Application
    Filed: April 4, 2019
    Publication date: July 22, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei KATAYAMA, Atsushi TANIGUCHI, Kenji SHIMIZU, Takahiro YAMAZAKI, Maiko NAYA
  • Publication number: 20210219201
    Abstract: A base station information DB (11) of a base station management apparatus (1) stores base station information that indicates wireless schemes that can be implemented by base stations (5), scheduled periods for implementation of the wireless schemes, and coverage areas of the base stations (5) in which wireless terminals can be accommodated.
    Type: Application
    Filed: August 23, 2019
    Publication date: July 15, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takashi SHIMIZU, Maiko NAYA, Kenji SHIMIZU, Takahiro YAMAZAKI, Atsushi TANIGUCHI, Takayuki YAMADA
  • Patent number: 11054242
    Abstract: Provided is a shape measurement system in order to perform three-dimensional measurement corresponding to a measurement object having various shapes, which includes a measurement probe, a probe tip unit, and a calculation unit. The probe tip unit includes an optical element that is configured to irradiate an object with measurement light, a fixing mechanism that is configured to fix to the measurement probe so as to be detachable and replaceable, and a cylindrical unit that is configured to lock the optical element and is provided with the fixing mechanism.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: July 6, 2021
    Assignee: HITACHI, LTD.
    Inventors: Tatsuo Hariyama, Masahiro Watanabe, Atsushi Taniguchi, Kenji Maruno
  • Publication number: 20210160914
    Abstract: This invention provides a radio communication method in a radio communication system including a base station apparatus and a radio signal processing apparatus for communicating with the base station apparatus, the radio communication method including granting radio control information that includes at least information specifying a radio scheme to be used as a parameter required for radio communication, to a packet and transmitting the packet from which the radio control information has been removed, by the radio scheme specified by the radio control information granted to the packet.
    Type: Application
    Filed: April 5, 2019
    Publication date: May 27, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei KATAYAMA, Atsushi TANIGUCHI, Kenji SHIMIZU, Takahiro YAMAZAKI, Maiko NAYA, Takashi SHIMIZU
  • Publication number: 20210112549
    Abstract: A wireless communication method is executed by a wireless communication system including one or more wireless terminals and a wireless communication apparatus. The wireless communication apparatus generates wireless scheme schedule information, which is information related to a schedule of a slot allocated to an uplink signal and a downlink signal of a predetermined wireless scheme, generates a downlink signal to be transmitted in the slot to the wireless terminal based on the wireless scheme schedule information, and transmits a beacon signal including the wireless scheme schedule information in the slot. The wireless terminal receives the beacon signal, in the slot, acquires the wireless scheme schedule information from the beacon signal, and generates an uplink signal to be transmitted in the slot to the wireless communication apparatus, based on the wireless scheme schedule information.
    Type: Application
    Filed: April 8, 2019
    Publication date: April 15, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei KATAYAMA, Atsushi TANIGUCHI, Kenji SHIMIZU, Takahiro YAMAZAKI, Maiko NAYA
  • Publication number: 20210092628
    Abstract: An environmental information acquisition method is performed by an environmental information acquisition apparatus that acquires a measurement result of a radio wave environment. The environmental information acquisition method includes distributing software of each radio scheme to one or more base station apparatuses measuring a radio wave environment of the radio scheme based on the software of the radio scheme, instructing the one or more base station apparatuses to measure the radio wave environment, and acquiring the measurement result of the radio wave environment from the one or more base station apparatuses measuring based on the software the radio wave environment in multiple sections set across an area.
    Type: Application
    Filed: April 4, 2019
    Publication date: March 25, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Maiko NAYA, Kenji SHIMIZU, Takahiro YAMAZAKI, Atsushi TANIGUCHI, Yohei KATAYAMA
  • Publication number: 20210042700
    Abstract: To automatically determine the invalidity of series data including the predicted value obtained based on assumed conditions. The index computation device 60 includes invalidity score output means 61 that outputs, when series data of a predetermined prediction target item is input, the series data including three or more pieces of data which indicate the value of the prediction target item in association with time, and at least one of which is data indicating a predicted value, an invalidity score that is an index indicating the invalidity of the series data and is based on an error between a curve model obtained by fitting the series data to a predetermined function form and the series data.
    Type: Application
    Filed: November 29, 2018
    Publication date: February 11, 2021
    Applicant: NEC Solution Innovators, Ltd.
    Inventors: Hiroshi TAMANO, Atsushi TANIGUCHI, Katsuyo SEIKE, Hirofumi TANAKA, Toshikazu TAJIRI
  • Publication number: 20210037371
    Abstract: A communication control apparatus includes a communication parameter acquisition unit that acquires at least one second communication parameter that is a candidate for a first communication parameter indicating a communication parameter to be assigned to a communication apparatus and indicates a communication parameter suitable for regional characteristics indicating a communication environment in a region where the communication apparatus is installed, a setting file storage unit that stores a setting file corresponding to each second communication parameter, a setting file acquisition control unit that acquires the setting file and stores the acquired setting file in the setting file storage unit, and a communication parameter assignment unit that determines the first communication parameter from among the second communication parameters acquired by the communication parameter acquisition unit and assigns the determined first communication parameter to the communication apparatus.
    Type: Application
    Filed: April 4, 2019
    Publication date: February 4, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Atsushi TANIGUCHI, Kenji SHIMIZU, Yohei KATAYAMA, Takahiro YAMAZAKI, Maiko NAYA
  • Publication number: 20210029630
    Abstract: An access point management method for managing a plurality of access points capable of providing wireless communication services in accordance with a plurality of wireless standards to a radio terminal apparatus includes acquiring plural pieces of request information which are used for requesting providing of the wireless communication service and include information indicating an area in which the wireless communication service is provided, selecting the access point assigned to each wireless communication service, based on the area requested by the plural pieces of request information acquired and characteristics of a wireless standard provided in the wireless communication service, and transmitting a request signal for deploying the wireless communication service corresponding to the request information, to the access point selected.
    Type: Application
    Filed: April 8, 2019
    Publication date: January 28, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takahiro YAMAZAKI, Kenji SHIMIZU, Atsushi TANIGUCHI, Yohei KATAYAMA, Maiko NAYA
  • Patent number: 10900773
    Abstract: An object is to provide a technology capable of realizing miniaturizing of a measurement unit in a distance measuring device. The distance measuring device including a light emitting unit that outputs measurement light, a polarization state control unit that controls polarization of the measurement light output from the light emitting unit, and an optical path switching element that selectively emits the measurement light controlled by the polarization state control unit, in which the polarization state control unit controls the polarization so as to emit the measurement light in a plurality of directions from the optical path switching element, and the optical path switching element receives reflected light with respect to an object of the measurement light emitted from the optical path switching element, the reflected light being used to measure a distance to the object.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: January 26, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Masahiro Watanabe, Tatsuo Hariyama, Atsushi Taniguchi, Kenji Maruno
  • Publication number: 20210012244
    Abstract: The model generation device 60 of the present invention includes regularization parameter candidate setting means 61 that outputs a search set of regularization parameters in which a plurality of solution candidates are set, the solution candidates having at least mutually different values of a regularization parameter that affects a term of a strong regularization variable that is one or more variables specifically defined among the explanatory variables, model learning means that learns a prediction model corresponding to each of the plurality of solution candidates, accuracy evaluation means 62 that evaluates a prediction accuracy of each of the learned prediction models, transition evaluation means 63 that evaluates the number of defective samples, which is the number of samples for which a graph shape or the transition is not valid for each of the learned prediction models, and model determination means 64.
    Type: Application
    Filed: December 12, 2018
    Publication date: January 14, 2021
    Applicant: NEC Solution Innovators, Ltd.
    Inventors: Atsushi TANIGUCHI, Hiroshi TAMANO
  • Patent number: 10794687
    Abstract: Provided are a system and a method capable of accurately measuring consecutive shapes of a measurement target even when an imaging means, which captures images of the shape of the measurement target, is moved along the measurement target while irradiating the measurement target with light.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: October 6, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Atsushi Taniguchi, Masahiro Watanabe