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: 20240225515
    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: July 11, 2024
    Inventors: Kentaro TANAKA, Shingo TSUKADA, Masumi YAMAGUCHI, Takayuki OGASAWARA, Toichiro GOTO
  • Publication number: 20240216996
    Abstract: Provided is a machine tool with which a tool exchanging operation is easy. In a machine tool including a spindle that is capable of rotating about a spindle axis CL1 while gripping a workpiece and a tool post, the tool post includes a quadruple rotary tool unit to which one-side rotary tools for machining the workpiece are attached and which is capable of swiveling using, as a swiveling center, a first swiveling axis B1 that extends in a Y1-axis direction orthogonal to the spindle axis CL1, and a swiveling base to which the quadruple rotary tool unit is attached, and the quadruple rotary tool unit is attached to the swiveling base removably.
    Type: Application
    Filed: March 14, 2024
    Publication date: July 4, 2024
    Inventors: TAKAYUKI ISHIKAWA, HIROYUKI OGASAWARA
  • Patent number: 12023140
    Abstract: A biological information analysis apparatus includes a sensor data acquirer that acquires biological information of a user measured by a sensor, a data analyzer that analyzes time-series data for the biological information over a plurality of time intervals and, from multiple pieces of biological information that were acquired at mutually corresponding times of measurement in respective ones of the plurality of time intervals, calculates representative values for the multiple pieces of biological information, a measurement anomaly detector that detects an anomaly contained in the measured biological information based on time-series data with the representative values calculated by the data analyzer or on the time-series data for the multiple pieces of biological information that was used in calculation of the time-series data with the representative values, and a presenter that outputs the calculated representative values for the multiple pieces of biological information and information indicating the detecte
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: July 2, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Takayuki Ogasawara, Rieko Sato, Kenichi Matsunaga
  • Patent number: 12021513
    Abstract: A semiconductor device includes an input terminal, an output terminal, and a plurality of transistors. The transistors are coupled through serial coupling. The transistors include a first transistor and a second transistor. The first transistor has a first end and a second end. The second transistor has a third end, a fourth end, a first gate, and a first body. The third end is coupled to the second end. The semiconductor device further includes a third transistor and a first diode. The third transistor and the first diode are serially coupled between the first body and the first end. The third transistor includes a second gate coupled to the first gate.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: June 25, 2024
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
    Inventors: Yosuke Ogasawara, Takayuki Teraguchi
  • Publication number: 20240190301
    Abstract: A linear actuator may include a rail including a gear rack extending along a longitudinal direction of the rail and a pinion unit configured to slidably engage the gear rack. The gear rack may include at least one no-teeth section among a row of teeth and the at least one no-teeth section may extend over a length. The pinion unit may include two pinion gears both configured to engage the gear rack, the two pinion gears being spaced apart from each other by a center-to-center distance along the longitudinal direction; and an electric motor configured to drive the two pinion gears. The length may be equal to or longer than two pitches of the teeth of the gear rack and shorter than the center-to-center distance.
    Type: Application
    Filed: December 1, 2023
    Publication date: June 13, 2024
    Applicant: TOYOTA BOSHOKU SEIKO CORPORATION
    Inventors: Masaki OKADA, Takayuki OGASAWARA, Hiroaki HYODO
  • Publication number: 20240191792
    Abstract: A pinion gear approaching to a gear rack will engages end tooth located at the end of a row of teeth of the gear rack. The pinion gear may not engage with the end tooth smoothly. The disclosure herein provides a gear rack that allows a pinion gear to smoothly shift from a disengaged state where the pinion gear is disengaged from the gear rack to an engaged state. In a gear rack, a size of the end tooth may be smaller than a size of normal teeth located closer to a center of the row of teeth than the end tooth. A smaller end tooth allow the pinion gear to engage the gear rack smoothly.
    Type: Application
    Filed: November 30, 2023
    Publication date: June 13, 2024
    Applicant: TOYOTA BOSHOKU SEIKO CORPORATION
    Inventors: Masaki OKADA, Takayuki OGASAWARA, Hiroaki HYODO
  • Patent number: 12005511
    Abstract: A machine tool includes a spindle capable of holding a workpiece and rotatable on a spindle axis and a tool post on which a tool is attachable to machine the workpiece held by the spindle. The tool post includes a first turnable holder turnable on a first turning axis perpendicular to the spindle axis. The first turnable holder has a first tool unit mounting part where a rotary tool is attachable. The tool post further includes a second turnable holder turnable on a second turning axis perpendicular to the spindle axis and different from the first turning axis. The second turnable holder has a second whirling tool mounting part where a thread whirling tool is attachable.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: June 11, 2024
    Assignee: STAR MICRONICS CO., LTD.
    Inventors: Takayuki Ishikawa, Hiroyuki Ogasawara
  • Publication number: 20240164690
    Abstract: An aspect of the present invention is a state estimation device including a cardiac state time series acquisition unit that acquires a cardiac state time series that is a time series of a cardiac state quantity that is a quantity indicating a state of a heart as an estimation target, and a cardiac state estimation unit that estimates a state of the heart as the estimation target based on an occurrence time of out-of-range data, using, as the out-of-range data, a non-responsive period sample whose value is outside a threshold region of processing determined according to a distribution of the non-responsive period sample among non-responsive period samples that are non-responsive period samples among samples of the cardiac state time series acquired by the cardiac state time series acquisition unit.
    Type: Application
    Filed: March 26, 2021
    Publication date: May 23, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takayuki OGASAWARA, Shingo TSUKADA, Kentaro TANAKA, Hiroshi NAKASHIMA, Masumi YAMAGUCHI, Toichiro GOTO
  • 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