Patents by Inventor Takayuki Ogasawara

Takayuki Ogasawara 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: 20240130659
    Abstract: A state estimation device includes an information acquisition unit acquiring at least one of (i) electrode acquisition information indicating an electromagnetic time series that is a time series of an electromagnetic quantity that is an electromagnetic force, field, or energy applied to an electrode from which a signal indicating a state of a heart of an estimation target is acquirable or (ii) environment information that is information on a time series of an environmental quantity that is an amount related to one or both of a state of motion of the estimation target and an environment in which the estimation target is present; and an estimation unit using at least one of the electrode acquisition information or the environment information to determine whether an electrode event, which is an abnormality in acquisition of a signal indicating the state of the heart of the estimation target by the electrode, has occurred.
    Type: Application
    Filed: March 5, 2021
    Publication date: April 25, 2024
    Inventors: Kentaro TANAKA, Shingo TSUKADA, Masumi YAMAGUCHI, Takayuki OGASAWARA, Toichiro GOTO
  • Publication number: 20240016451
    Abstract: A measurement system includes a measurement unit configured to perform measurement a plurality of times on the basis of a first clock signal having a first clock period to obtain a plurality of measurement results, a time stamp provision unit configured to provide a time stamp indicating a measurement time to each measurement result obtained in the second period among the plurality of measurement results obtained using the measurement unit the basis of a second clock signal having a second clock period longer than the first clock period and having better period accuracy than the first clock signal, and a measurement time correction unit configured to correct a measurement time of a measurement result in accordance with a period specified using two time stamps and the number of measurement results obtained during the period.
    Type: Application
    Filed: December 8, 2020
    Publication date: January 18, 2024
    Inventors: Kei Kuwabara, Kenichi Matsunaga, Takayuki Ogasawara
  • Publication number: 20230355186
    Abstract: A motion evaluation method includes: a noise removal step of removing noise in time-series data related to a motion of a person; an extraction step of extracting data of an on-set section in which the motion of the person is performed from the time-series data from which the noise has been removed; a compression step of aligning a length of the extracted data of the on-set section for each on-set section and compressing the data of the on-set section through down-sampling processing; and an evaluation step of evaluating the motion of the person on the basis of the compressed data of the on-set section.
    Type: Application
    Filed: September 3, 2020
    Publication date: November 9, 2023
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kentaro TANAKA, Shingo TSUKADA, Masumi YAMAGUCHI, Takayuki OGASAWARA, Toichiro GOTO
  • Publication number: 20230336947
    Abstract: A data analysis system includes: a data acquisition unit that acquires sensor data including user identification information; a data collection processing unit that collects the sensor data from a predetermined region as a target; a data analysis unit that calculates the number of users who are staying in the predetermined region based on the user identification information; an estimation unit that estimates density of the users based on the number of the users; and an alert display unit that displays the density.
    Type: Application
    Filed: September 30, 2020
    Publication date: October 19, 2023
    Inventors: Rieko Sato, Takayuki Ogasawara, Kenichi Matsunaga
  • Publication number: 20230207114
    Abstract: A biological information analysis system includes a data reception unit that receives time-series data of biological information from a sensor terminal that acquires biological information, a storage unit that stores the received time-series data, a first representative value acquisition unit that acquires a first representative value based on data in a predetermined period among the received time-series data, and a second representative value acquisition unit that acquires a second representative value based on a plurality of first representative values consecutive on a time axis. In a case where an error occurs in communication between the data reception unit and the sensor terminal and a predetermined condition is satisfied, the first representative value acquisition unit uses pre-error time-series data transmitted before the error occurs and stored in the storage unit and post-error time-series data transmitted from the sensor terminal after the error occurs, to acquire the first representative value.
    Type: Application
    Filed: May 21, 2020
    Publication date: June 29, 2023
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takayuki OGASAWARA, Kentaro TANAKA, Shingo TSUKADA, Masumi YAMAGUCHI, Toichiro GOTO
  • Patent number: 11659367
    Abstract: Relay terminals each transmit to a control device a packet received from a wireless sensor and a reception strength for short range wireless communication detected when receiving the packet, and return a response to the packet to a transmission source wireless sensor from which the packet is transmitted only when a response instruction is issued from the control device, and the control device compares reception strengths for a same packet that is transmitted from a same wireless sensor and received by each of the plurality of relay terminals among the reception strengths received from the relay terminals, transmits the response instruction only to one target relay terminal with the highest reception strength, and performs relay transfer of sensor data stored in a packet received by the target relay terminal to a host apparatus.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: May 23, 2023
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Kenichi Matsunaga, Takayuki Ogasawara, Hiroyoshi Togo
  • Patent number: 11625603
    Abstract: A learning-type signal separation method performed using a model formulation unit, which performs learning processing based on a training-use signal including a specific component, and a training-use signal not including the specific component, the training-use signals including a common characteristic. The learning-type signal separation method includes: generating learned data by causing the model formulation unit to perform learning processing based on the training-use signal and information indicating whether or not the specific component is included in the training-use signal, to generate a data series signal in which the specific component has been separated and removed from a data series of the training-use signal; acquiring an arbitrary signal including the common characteristic; and generating, based on the acquired arbitrary signal and the generated learned data, a data series signal in which the specific component has been separated and removed from a data series of the arbitrary signal.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: April 11, 2023
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hisashi Kurasawa, Takayuki Ogasawara, Masumi Yamaguchi, Shingo Tsukada, Hiroshi Nakashima, Takahiro Hata, Nobuhiko Matsuura
  • Publication number: 20230092731
    Abstract: In an emotion stabilization support device including a portable vibration generator including an oscillator (36), a motion sensor (37), and a control unit (31), the control unit (31) causes the oscillator (36) to intermittently vibrate, and the control unit (31) measures a state of the portable vibration generator detected by the motion sensor (37) and determines a state of an emotion of a user.
    Type: Application
    Filed: February 28, 2020
    Publication date: March 23, 2023
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shingo TSUKADA, Kentaro TANAKA, Masumi YAMAGUCHI, Takayuki OGASAWARA, Toichiro GOTO
  • Publication number: 20230059586
    Abstract: This cooling apparatus includes a tube (10) having an opening portion (10a) in one end portion in a longitudinal direction thereof, a cap (30) capable of opening/closing the opening portion (10a), a non-freezing drinkable coolant (20) that fills the tube (10), and a container (50) that contains the tube (10) filled with the coolant (20). The tube has a constricted portion (10d) having a reduced inner diameter.
    Type: Application
    Filed: February 7, 2020
    Publication date: February 23, 2023
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shingo TSUKADA, Hiroshi NAKASHIMA, Masumi YAMAGUCHI, Takayuki OGASAWARA, Kentaro TANAKA, Toichiro GOTO
  • Patent number: 11577630
    Abstract: A seat slider device may include: a lower rail attachable to a body of a vehicle; an upper rail attachable to a seat and slidably engaging with the lower rail; at least one roller provided in the upper rail and pressed against the lower rail or the body of the vehicle; and an actuator configured to rotate the at least one roller.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 14, 2023
    Assignee: TOYOTA BODY SEIKO CO., LTD.
    Inventors: Masashi Komiyama, Yoshihisa Hori, Takayuki Ogasawara, Hiroaki Hyodo, Tadashi Takahashi
  • Publication number: 20230000351
    Abstract: A monitoring system includes a first acquisition unit that acquires identification information unique to a user, a second acquisition unit that acquires position information of the user, an action history calculation unit that obtains an action history of the user from the identification information of the user acquired by the first acquisition unit and the position information acquired by the second acquisition unit, and a presentation unit that presents the action history of the user calculated by the action history calculation unit, wherein the action history includes at least one of a period for which and a frequency at which the user stayed at a position indicated by the position information.
    Type: Application
    Filed: December 5, 2019
    Publication date: January 5, 2023
    Inventors: Takayuki Ogasawara, Kenichi Matsunaga, Rieko Sato
  • Publication number: 20220386900
    Abstract: A rehabilitation support system includes a data acquisition unit that acquires sensor data including biological information, an activity amount calculation unit that calculates an activity amount accompanying activity of user, based on the acquired sensor data, a cumulative value calculation unit that calculates the cumulative value of the activity amount of the user in the set period, a display processing unit that generates an image item corresponding to the cumulative value, and a second display unit that displays the image item generated by the display processing unit on the display screen, and a plurality of the set periods are included in the period of activity of the user.
    Type: Application
    Filed: November 14, 2019
    Publication date: December 8, 2022
    Applicants: Nippon Telegraph and Telephone Corporation, Nippon Telegraph and Telephone Corporation
    Inventors: Rieko Sato, Takayuki Ogasawara
  • Publication number: 20220394438
    Abstract: Each of relay terminals transmits a wireless packet received from a wireless sensor and a reception strength of Bluetooth wireless communication to a control device using a first HCI packet, and returns a response to the wireless packet to a source wireless sensor, which is a source of the wireless packet, only when a second HCI packet is received from the control device. The control device compares the reception strengths, among the reception strengths received through the first HCI packets from the relay terminals, that pertain to the same packet transmitted from the same wireless sensor and received by the plurality of relay terminals, transmits the second HCI packet only to one target relay terminal having the highest reception strength, and relays the sensor data stored in the target relay device to a host device.
    Type: Application
    Filed: November 18, 2019
    Publication date: December 8, 2022
    Inventors: Kenichi Matsunaga, Takayuki Ogasawara, Hiroyoshi Togo
  • Publication number: 20220361815
    Abstract: A wearable sensor device includes a temperature and humidity sensor that measures ambient environmental information around a living body, a snap button connected to a bioelectrode, a biological information measurement unit that measures biological information, an inertial sensor that measures inertial information, a calculation unit that calculates a biological feature amount based on the biological information and calculates an inertial feature amount based on the inertial information, and a wireless communication unit that transmits the biological information, the inertial information, the biological feature amount, the inertial feature amount, and the environmental information to the outside.
    Type: Application
    Filed: November 6, 2019
    Publication date: November 17, 2022
    Inventors: Kei Kuwabara, Akio Tokura, Hiroto Matsuoka, Takako Ishihara, Takayuki Ogasawara, Yuki Hashimoto, Kenichi Matsunaga, Toshiki Wada, Hiroyoshi Togo
  • Publication number: 20220354387
    Abstract: A monitoring system includes a sensor data acquisition device configured to acquire information on an activity of a user; a data analyzer configured to analyze the acquired information on the activity of the user and detect occurrence of an abnormality in the activity of the user; an imaging controller configured to instruct an imaging terminal device that captures an image of the activity of the user to start capturing an image of the user and record imaging data in a case where the occurrence of the abnormality is detected by the data analyzer; an imaging data acquisition device configured to acquire the imaging data recorded by the imaging terminal device; a data storage device configured to store the imaging data acquired by the imaging data acquisition device; and an output device configured to output the imaging data.
    Type: Application
    Filed: November 28, 2019
    Publication date: November 10, 2022
    Inventors: Takayuki Ogasawara, Kenichi Matsunaga, Rieko Sato
  • Publication number: 20220328158
    Abstract: In an embodiment, a rehabilitation support system includes: a sensor data acquirer configured to acquire biometric information on a user measured by a sensor; an estimator configured to estimate a state of the user based on the biometric information; a first determiner configured to determine whether the state of the user estimated by the estimator has occurred within a set time, the set time comprising a time slot defined for implementation of a rehabilitation; a first storage device configured to store a mode of a spatiotemporally changing item; a selector configured to select the mode of the spatiotemporally changing item, in accordance with a result of the determination by the first determiner; and a presenter configured to present the mode of the spatiotemporally changing item selected by the selector.
    Type: Application
    Filed: August 6, 2020
    Publication date: October 13, 2022
    Inventors: Shin Toyota, Takayuki Ogasawara, Masahiko Mukaino, Eiichi Saitho
  • Patent number: 11458866
    Abstract: A seat slider device may include: a lower rail attachable to a body of a vehicle and including grooves arranged in a for direction of the lower rail; an upper rail attachable to a seat and slidably engaging with the lower rail; and a lock lever including a plurality of protrusions configured to engage with the grooves, supported by the upper rail to be swingable in a direction bringing the protrusions close to the grooves and in a direction bringing the protrusions away from the grooves, and biased in the direction bringing the protrusions close to the grooves. A portion of the lock lever between a pivot of the lock lever and the protrusions may have elasticity such that the portion flexes in the direction bringing the protrusions close to the grooves and in the direction bringing the protrusions away from the grooves.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: October 4, 2022
    Assignee: TOYOTA BODY SEIKO CO., LTD.
    Inventors: Yoshihisa Hori, Takayuki Ogasawara, Rui Kawai, Seiki Yamamoto
  • Publication number: 20220310227
    Abstract: A rehabilitation support technique with which a user can be more motivated to work on his or her rehabilitation is provided. A rehabilitation support system includes: a sensor data acquirer configured to acquire biometric information on a user measured by a sensor; an estimator configured to estimate a state of the user based on the biometric information acquired; a storage device configured to store a mode of a spatiotemporally changing item; a selector configured to select the mode of the spatiotemporally changing item in accordance the state of the user estimated by the estimator, from modes of the spatiotemporally changing item stored in the storage device; and a presenter configured to present the mode of the spatiotemporally changing item selected by the selector.
    Type: Application
    Filed: August 6, 2020
    Publication date: September 29, 2022
    Inventors: Takayuki Ogasawara, Shin Toyota, Masahiko Mukaino, Eiichi Saitho
  • Patent number: 11449732
    Abstract: A time-series-data feature extraction device includes: a data processing unit that processes a received unevenly spaced time-series-data group into an evenly spaced time-series-data group including omissions and an omission information group indicating presence or absence of omissions, based on a received input time-series data length and a received minimum observation interval; a model learning unit that learns a weight vector of each layer of a model with a difference between an element not missing in a matrix of the evenly spaced time-series-data group including omissions and an element of an output result of an output layer of the model being taken as an error, and stores the weight vector as a model parameter in a storage unit, the difference being; and a feature extraction unit that receives time-series data of a feature extraction target, calculates a value of the intermediate layer of the model with use of the model parameter stored in the storage unit by inputting the received time-series data of the
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: September 20, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hisashi Kurasawa, Katsuyoshi Hayashi, Akinori Fujino, Takayuki Ogasawara, Masumi Yamaguchi, Shingo Tsukada, Hiroshi Nakashima
  • Publication number: 20220272505
    Abstract: Relay terminals each transmit to a control device a packet received from a wireless sensor and a reception strength for short range wireless communication detected when receiving the packet, and return a response to the packet to a transmission source wireless sensor from which the packet is transmitted only when a response instruction is issued from the control device, and the control device compares reception strengths for a same packet that is transmitted from a same wireless sensor and received by each of the plurality of relay terminals among the reception strengths received from the relay terminals, transmits the response instruction only to one target relay terminal with the highest reception strength, and performs relay transfer of sensor data stored in a packet received by the target relay terminal to a host apparatus.
    Type: Application
    Filed: July 8, 2019
    Publication date: August 25, 2022
    Inventors: Kenichi Matsunaga, Takayuki Ogasawara, Hiroyoshi Togo