Patents by Inventor Fumiyuki Nihey

Fumiyuki Nihey 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: 20240188851
    Abstract: Provided is a waist swinging estimation device including a communication unit that acquires feature amount data including a feature amount extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data regarding a movement of a foot of a subject and used for estimation of waist swinging that is an index regarding a movement of a waist, a storage unit that stores an estimation model that outputs an estimated value regarding the waist swinging according to an input of a feature amount included in the feature amount data, an estimation unit that inputs a feature amount included in the acquired feature amount data to the estimation model, and estimate waist swinging of the subject according to an estimated value regarding the waist swinging output from the estimation model, and an output unit that outputs information according to waist swinging of the subject.
    Type: Application
    Filed: January 12, 2024
    Publication date: June 13, 2024
    Applicant: NEC Corporation
    Inventors: Zhenwei WANG, Chenhui Huang, Kazuki Ihara, Kenichiro Fukushi, Fumiyuki Nihey, Hiroshi Kajitani, Yoshitaka Nozaki, Kentaro Nakahara
  • Publication number: 20240172966
    Abstract: Provided is a harmonic index estimation device including a communication unit that acquires feature amount data including a feature amount used for estimation of a harmonic index related to smoothness of movement of a waist, the feature amount being extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data related to movement of a foot of a subject, a storage unit that stores an estimation model that outputs an estimation value related to the harmonic index, according to an input of the feature amount included in the feature amount data, an estimation unit that inputs the feature amount included in the feature amount data to the estimation model and estimate a harmonic index of the subject according to the estimation value output from the estimation model, and an output unit that outputs information associated to the harmonic index.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 30, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Zhenwei WANG, Fumiyuki NIHEY
  • Publication number: 20240164705
    Abstract: An index value estimation device including a data acquisition unit that acquires feature amount data including a feature amount extracted from sensor data related to a motion of a foot of a user and used for estimating an index value indicating a knee state of the user, a storage unit that stores an estimation model that outputs an index value according to an input of the feature amount data, an estimation unit that estimates an output obtained by inputting the acquired feature amount data to the estimation model as an index value indicating the knee state of the user, and an output unit that outputs information about the estimated index value indicating the knee state of the user.
    Type: Application
    Filed: December 26, 2023
    Publication date: May 23, 2024
    Applicant: NEC Corporation
    Inventors: Kazuki IHARA, Kenichiro FUKUSHI, Zhenwei WANG, Chenhui HUANG, Hiroshi KAJITANI, Fumiyuki NIHEY, Yoshitaka NOZAKI, Kentaro NAKAHARA
  • Publication number: 20240161921
    Abstract: A biometric information processing device includes an extraction unit that extracts a daily measurement value of a common measurement item common to facility measurement data measured in a facility from daily measurement data measured using the sensor data regarding movement of a foot of a user, and a correction unit that corrects a facility measurement value of the common measurement item stored in advance based on the extracted daily measurement value of the common measurement item.
    Type: Application
    Filed: April 1, 2021
    Publication date: May 16, 2024
    Applicant: NEC Corporation
    Inventors: Kenichiro Fukushi, Zhenwei Wang, Chenhui Huang, Fumiyuki Nihey, Kentaro Nakahara
  • Publication number: 20240148276
    Abstract: An estimation device that includes a detection unit that detects a terminal stance period from time-series data of sensor data based on a physical quantity related to movement of a foot measured by a sensor provided at a foot portion, a feature amount extraction unit that extracts a feature amount from an angular waveform in a coronal plane during the terminal stance period, and a presumption unit that estimates a degree of pronation/supination of the foot by using the feature amount extracted from the angular waveform in the coronal plane.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Kenichiro Fukushi, Zhenwei Wang, Hiroshi Kajitani, Fumiyuki Nihey, Kentaro Nakahara
  • Publication number: 20240148317
    Abstract: Provided is a pelvic inclination estimation device including a communication unit that acquires feature amount data including a feature amount to be used for estimation of a pelvic inclination, the feature amount being extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data related to movement of a foot of a subject, a storage unit that stores an estimation model that outputs an estimation value related to the pelvic inclination according to an input of the feature amount included in the feature amount data, an estimation unit that inputs a feature amount included in the acquired feature amount data to the estimation model and estimate a pelvic inclination of the subject according to the estimation value output from the estimation model, and an output unit that outputs information associated to the pelvic inclination of the subject.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Applicant: NEC Corporation
    Inventors: Zhenwei WANG, Chenhui HUANG, Kenichiro FUKUSHI, Kazuki IHARA, Fumiyuki NIHEY, Hiroshi KAJITANI, Yoshitaka NOZAKI, Kentaro NAKAHARA
  • Publication number: 20240148278
    Abstract: An estimation device that includes a detection unit that detects a terminal stance period from time-series data of sensor data based on a physical quantity related to movement of a foot measured by a sensor provided at a foot portion, a feature amount extraction unit that extracts a feature amount from an angular waveform in a coronal plane during the terminal stance period, and a presumption unit that estimates a degree of pronation/supination of the foot by using the feature amount extracted from the angular waveform in the coronal plane.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Kenichiro FUKUSHI, Zhenwei WANG, Hiroshi KAJITANI, Fumiyuki NIHEY, Kentaro NAKAHARA
  • Publication number: 20240148277
    Abstract: An estimation device that includes a detection unit that detects a terminal stance period from time-series data of sensor data based on a physical quantity related to movement of a foot measured by a sensor provided at a foot portion, a feature amount extraction unit that extracts a feature amount from an angular waveform in a coronal plane during the terminal stance period, and a presumption unit that estimates a degree of pronation/supination of the foot by using the feature amount extracted from the angular waveform in the coronal plane.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Kenichiro FUKUSHI, Zhenwei WANG, Hiroshi KAJITANI, Fumiyuki NIHEY, Kentaro NAKAHARA
  • Publication number: 20240138712
    Abstract: A feature-amount generation device that includes an extraction unit that generates a gait waveform for one gait cycle from time-series data of sensor data related to a motion of a foot, extracts a feature amount from the generated gait waveform, and extracts a gait phase cluster by integrating a plurality of temporally continuous gait phases from each of which a feature amount is extracted, and a generation unit that generates a feature amount of the gait phase cluster using a preset feature-amount constitutive expression, and generates feature-amount data in which the plurality of gait phases constituting the gait phase cluster and the feature amount of the gait phase cluster are associated with each other.
    Type: Application
    Filed: December 22, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Fumiyuki NIHEY, Kentaro NAKAGARA, Kenichiro FUKUSHI
  • Publication number: 20240138713
    Abstract: Provided is a harmonic index estimation device including a communication unit that acquires feature amount data including a feature amount used for estimation of a harmonic index related to smoothness of movement of a waist, the feature amount being extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data related to movement of a foot of a subject, a storage unit that stores an estimation model that outputs an estimation value related to the harmonic index, according to an input of the feature amount included in the feature amount data, an estimation unit that inputs the feature amount included in the feature amount data to the estimation model and estimate a harmonic index of the subject according to the estimation value output from the estimation model, and an output unit that outputs information associated to the harmonic index.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Zhenwei WANG, Fumiyuki NIHEY
  • Publication number: 20240138710
    Abstract: Provided is a waist swinging estimation device including a communication unit that acquires feature amount data including a feature amount extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data regarding a movement of a foot of a subject and used for estimation of waist swinging that is an index regarding a movement of a waist, a storage unit that stores an estimation model that outputs an estimated value regarding the waist swinging according to an input of a feature amount included in the feature amount data, an estimation unit that inputs a feature amount included in the acquired feature amount data to the estimation model, and estimate waist swinging of the subject according to an estimated value regarding the waist swinging output from the estimation model, and an output unit that outputs information according to waist swinging of the subject.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Zhenwei Wang, Chenhui Huang, Kazuki Ihara, Kenichiro Fukushi, Fumiyuki Nihey, Hiroshi Kajitani, Yoshitaka Nozaki, Kentaro Nakahara
  • Publication number: 20240138711
    Abstract: A feature-amount generation device that includes an extraction unit that generates a gait waveform for one gait cycle from time-series data of sensor data related to a motion of a foot, extracts a feature amount from the generated gait waveform, and extracts a gait phase cluster by integrating a plurality of temporally continuous gait phases from each of which a feature amount is extracted, and a generation unit that generates a feature amount of the gait phase cluster using a preset feature-amount constitutive expression, and generates feature-amount data in which the plurality of gait phases constituting the gait phase cluster and the feature amount of the gait phase cluster are associated with each other.
    Type: Application
    Filed: December 22, 2023
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Fumiyuki NIHEY, Kentaro NAKAHARA, Kenichiro FUKUSHI
  • Publication number: 20240138757
    Abstract: Provided is a pelvic inclination estimation device including a communication unit that acquires feature amount data including a feature amount to be used for estimation of a pelvic inclination, the feature amount being extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data related to movement of a foot of a subject, a storage unit that stores an estimation model that outputs an estimation value related to the pelvic inclination according to an input of the feature amount included in the feature amount data, an estimation unit that inputs a feature amount included in the acquired feature amount data to the estimation model and estimate a pelvic inclination of the subject according to the estimation value output from the estimation model, and an output unit that outputs information associated to the pelvic inclination of the subject.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 2, 2024
    Applicant: NEC Corporation
    Inventors: Zhenwei WANG, Chenhui HUANG, Kenichiro FUKUSHI, Kazuki IHARA, Fumiyuki NIHEY, Hiroshi KAJITANI, Yoshitaka NOZAKI, Kentaro NAKAHARA
  • Publication number: 20240138250
    Abstract: A walking index calculation device that includes a waveform generation unit configured to generate a walking waveform by using sensor data regarding motion of a foot acquired by a sensor installed in footwear; a detection unit configured to detect a timing at which a clearance of a toe is minimized from the walking waveform; and a calculation unit configured to calculate a minimum value of the clearance of the toe by using a walking parameter at the timing at which the clearance of the toe is minimized.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 25, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Fumiyuki Nihey, Kenichiro Fukushi, Zhenwei Wang
  • Publication number: 20240127486
    Abstract: A walking index calculation device that includes a waveform generation unit configured to generate a walking waveform by using sensor data regarding motion of a foot acquired by a sensor installed in footwear; a detection unit configured to detect a timing at which a clearance of a toe is minimized from the walking waveform; and a calculation unit configured to calculate a minimum value of the clearance of the toe by using a walking parameter at the timing at which the clearance of the toe is minimized.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicant: NEC Corporation
    Inventors: Chenhui HUANG, Fumiyuki NIHEY, Kenichiro FUKUSHI, Zhenwei WANG
  • Publication number: 20240122531
    Abstract: An index value estimation device including a data acquisition unit that acquires feature amount data including a feature amount extracted from sensor data related to a motion of a foot of a user and used for estimating an index value indicating a knee state of the user, a storage unit that stores an estimation model that outputs an index value according to an input of the feature amount data, an estimation unit that estimates an output obtained by inputting the acquired feature amount data to the estimation model as an index value indicating the knee state of the user, and an output unit that outputs information about the estimated index value indicating the knee state of the user.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicant: NEC Corporation
    Inventors: Kazuki IHARA, Kenichiro FUKUSHI, Zhenwei WANG, Chenhui HUANG, Hiroshi KAJITANI, Fumiyuki NIHEY, Yoshitaka NOZAKI, Kentaro NAKAHARA
  • Publication number: 20240127963
    Abstract: A data processing device that includes a classification unit that classifies at least one piece of living-body information data into at least one group based on an attribute of at least one user, the at least one piece of living-body information data including a sensor value relating to a living body of the user, and a measurement time and a measurement position of the sensor value, and a learning unit that generates, for each of the group, a model for estimating interpolation data for interpolating a deficit of the living-body information data using a correlation among the sensor value included in the living-body information data, the measurement time, and the measurement position.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 18, 2024
    Applicant: NEC Corporation
    Inventors: Kenichiro FUKUSHI, Chenhui Huang, Zhenwei Wang, Fumiyuki Nihey, Kentaro Nakahara
  • Publication number: 20240127965
    Abstract: A data processing device that includes a classification unit that classifies at least one piece of living-body information data into at least one group based on an attribute of at least one user, the at least one piece of living-body information data including a sensor value relating to a living body of the user, and a measurement time and a measurement position of the sensor value, and a learning unit that generates, for each of the group, a model for estimating interpolation data for interpolating a deficit of the living-body information data using a correlation among the sensor value included in the living-body information data, the measurement time, and the measurement position.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 18, 2024
    Applicant: NEC Corporation
    Inventors: Kenichiro Fukushi, Chenhui Huang, Zhenwei Wang, Fumiyuki Nihey, Kentaro Nakahara
  • Publication number: 20240127964
    Abstract: A data processing device that includes a classification unit that classifies at least one piece of living-body information data into at least one group based on an attribute of at least one user, the at least one piece of living-body information data including a sensor value relating to a living body of the user, and a measurement time and a measurement position of the sensor value, and a learning unit that generates, for each of the group, a model for estimating interpolation data for interpolating a deficit of the living-body information data using a correlation among the sensor value included in the living-body information data, the measurement time, and the measurement position.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 18, 2024
    Applicant: NEC Corporation
    Inventors: Kenichiro Fukushi, Chenhui Huang, Zhenwei Wang, Fumiyuki Nihey, Kentaro Nakahara
  • Publication number: 20240122501
    Abstract: A walking index calculation device that includes a waveform generation unit configured to generate a walking waveform by using sensor data regarding motion of a foot acquired by a sensor installed in footwear; a detection unit configured to detect a timing at which a clearance of a toe is minimized from the walking waveform; and a calculation unit configured to calculate a minimum value of the clearance of the toe by using a walking parameter at the timing at which the clearance of the toe is minimized.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicant: NCE Corporation
    Inventors: Chenhui HUANG, Fumiyuki Nihey, Kenichiro fukushi, Zhenwei Wang