Patents by Inventor Yoshikuni Sato

Yoshikuni Sato 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: 11023806
    Abstract: A learning apparatus includes at least one memory and at least one circuit. The circuit (a) obtains a first neural network that has learned by using source learning data and obtains target learning data, the target learning data including a plurality of first data items each of which is given a first label and a plurality of second data items each of which is given a second label, (b) obtains a plurality of first output vectors by inputting the plurality of first data items to a second neural network and obtains a plurality of second output vectors by inputting the plurality of second data items to the second neural network, and (c) generates a first relation vector corresponding to the first label by using the plurality of first output vectors and generates a second relation vector corresponding to the second label by using the plurality of second output vectors.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: June 1, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshihide Sawada, Toru Nakada, Yoshikuni Sato
  • Publication number: 20210059569
    Abstract: A fall risk evaluation method in a fall risk evaluation device that evaluates a fall risk based on a walking motion of a subject includes: acquiring walking data related to walking of the subject; detecting, from the walking data, at least one walking parameter of a vertical displacement of a waist of the subject in a stance phase of one leg of the subject, a vertical displacement of the waist of the subject in a swing phase of the one leg, an angle of a knee joint of the one leg in the stance phase, and an angle of an ankle joint of one foot in the swing phase; and determining a fall risk of the subject by using at least one walking parameter.
    Type: Application
    Filed: August 20, 2020
    Publication date: March 4, 2021
    Inventors: Takahiro HIYAMA, Yoshikuni SATO, Takahiro AIHARA, Kengo WADA, Taichi HAMATSUKA, Yoshihiro MATSUMURA
  • Publication number: 20210059596
    Abstract: A cognitive function evaluation method in a cognitive function evaluation device that evaluates a cognitive function based on a walking motion of a subject includes: acquiring walking data related to walking of the subject; detecting, from the walking data, at least one of an angle of an ankle joint of one foot and an angle of a knee joint of one leg of the subject; and determining a cognitive function level of the subject using at least one of the angle of the ankle joint and the angle of the knee joint.
    Type: Application
    Filed: August 19, 2020
    Publication date: March 4, 2021
    Inventors: Takahiro HIYAMA, Yoshikuni SATO, Takahiro AIHARA, Kengo WADA, Taichi HAMATSUKA, Yoshihiro MATSUMURA
  • Publication number: 20210059614
    Abstract: A sarcopenia evaluation method in a sarcopenia evaluation device that evaluates sarcopenia based on a walking motion of a subject includes: acquiring walking data related to walking of the subject; detecting, from the walking data, at least one walking parameter of an angle of a knee joint of one leg in a stance phase of the one leg of the subject, an angle of the knee joint of the one leg in a swing phase of the one leg, a vertical displacement of a toe of one foot in the stance phase, a vertical displacement of the toe of the one foot in the swing phase, an angle of an ankle joint of the one foot in the stance phase, and an angle of the ankle joint of the one foot in the swing phase; and determining whether or not the subject has sarcopenia using at least one walking parameter.
    Type: Application
    Filed: August 12, 2020
    Publication date: March 4, 2021
    Inventors: Takahiro HIYAMA, Yoshikuni SATO, Takahiro AIHARA, Kengo WADA, Taichi HAMATSUKA, Yoshihiro MATSUMURA
  • Patent number: 10892055
    Abstract: An apparatus generates motor function estimation information by performing a process including calculating, using a sensor value of a subject, a feature vector corresponding to a feature value of a feature in a time segment, acquiring a first weight vector using the feature vector and a motor ability value of the subject, calculating a gradient vector with respect to the feature vector, determining a new time segment in the predetermined time period and a new feature value based on the new time segment, calculating, using the sensor value, a feature candidate vector corresponding to a feature value of the new feature in the new time segment, determining a feature candidate vector satisfying a predetermined condition associated with a gradient vector based on a difference between the feature candidate vector and the feature vector, and correcting the first weight vector to a second weight vector using the feature candidate vector.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: January 12, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshikuni Sato, Toru Nakada, Yoshihide Sawada
  • Publication number: 20200375503
    Abstract: A lower limb muscle strength evaluation device acquires an angle of at least one of left and right lower limbs of a user while the user stands up from a sitting state, detects at least one lower limb parameter from among a first lower limb maximum value indicating the angle when the lower limb is initially inclined the most in a first direction, a lower limb minimum value indicating the angle when the lower limb is inclined the most in a second direction, a second lower limb maximum value indicating the angle when the lower limb is again inclined the most in the first direction, a first lower limb elapsed time, a second lower limb elapsed time, and a third lower limb elapsed time, evaluates a lower limb muscle strength of the user using the at least one lower limb parameter, and outputs an evaluation result.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 3, 2020
    Inventors: Takahiro HIYAMA, Yoshikuni SATO, Jun OZAWA
  • Patent number: 10757125
    Abstract: An anomaly detection method includes generating second data by adding normal noise to first data; generating third data by adding abnormal noise to the first data; inputting the first data, the second data, and the third data to a neural network; calculating a first normal score, a second normal score, and a third normal score; calculating a third difference based on a first difference and a second difference, the first difference being based on a difference between the first normal score and the second normal score, the second difference being based on a difference between the first normal score and the third normal score; changing the neural network so that the third difference becomes smallest; inputting, to the changed neural network, fourth data that is unknown in terms of whether the fourth data is normal or abnormal; and determining whether the fourth data is normal or abnormal.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: August 25, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kensuke Wakasugi, Yoshikuni Sato
  • Publication number: 20200029890
    Abstract: A falling asleep prediction device includes a biological data acquisition unit that acquires biological information on a subject, a falling asleep prediction unit that predicts that the subject falls asleep after predetermined time by using the biological information, and a notification processing unit that notifies that the subject falls asleep after the predetermined time.
    Type: Application
    Filed: May 17, 2019
    Publication date: January 30, 2020
    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Kouhei YAMANISHI, Yoshikuni SATO
  • Patent number: 10542933
    Abstract: An exercise test evaluation system includes an acceleration sensor that is worn by a user during an exercise test and acquires acceleration values of a foot of the user, a heart rate sensor that is worn by the user and measures a heart rate of the user, and a processor. The processor acquires a first maximum acceleration value and a second maximum acceleration value, calculates a reliability score using the first and second maximum acceleration values, acquires a walking velocity and a heart rate of the user and estimates a maximum oxygen intake amount using the user's walking velocity and heart rate if the reliability score is equal to or higher than a specific threshold value, and estimates the maximum oxygen intake amount using the user's walking velocity if the reliability score is lower than the specific threshold value.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: January 28, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshikuni Sato, Toru Nakada
  • Patent number: 10522821
    Abstract: A graphite powder, preferably including scale-like particles, which satisfies the following formulae (1) and (2), wherein e(0.5) represents the initial charge-discharge efficiency of a coin cell fabricated from an electrode (work electrode) produced by compressing an electrode material employing graphite powder as an active material under a pressure of 0.5 t/cm2, a lithium metal counter electrode, a separator and an electrolytic solution; and e(3) represents the initial charge-discharge efficiency of a coin cell fabricated from an electrode (work electrode) produced by compressing an electrode material employing graphite powder as an active material under a pressure of 3 t/cm2, a lithium metal counter electrode, a separator and an electrolytic solution: e(3)(%)?e(0.5)(%)?1,??formula (1): e(3)(%)>85.??formula (2): Also disclosed is a method of producing the graphite powder; a graphite material for a battery electrode; an electrode for a lithium ion; and a lithium-ion secondary battery.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: December 31, 2019
    Assignee: SHOWA DENKO K.K.
    Inventors: Yasuaki Wakizaka, Yuichi Kamijo, Daisuke Kono, Yoshikuni Sato
  • Publication number: 20190353501
    Abstract: A detecting device obtains a first body motion signal from a body motion sensor while a person walks with a predetermined stride, the body motion sensor being attached to a body of the person and configured to detect a body motion of the person, obtains a reference-walk-waveform from a memory, the reference-walk-waveform being generated from a second body motion signal obtained from the body motion sensor while the person walks with the predetermined stride with the body motion sensor attached to an initially attached position, compares the obtained reference-walk-waveform with a waveform of the obtained first body motion signal to determine whether an attached position of the body motion sensor is shifted from the initially attached position, and outputs a determination result.
    Type: Application
    Filed: May 16, 2019
    Publication date: November 21, 2019
    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Jun OZAWA, Takahiro HIYAMA, Yoshikuni SATO
  • Patent number: 10467750
    Abstract: A display control apparatus includes a memory and a circuit. The circuit obtains an electrophoretic image from the memory, causes a display to display the electrophoretic image as a first display image, receives a selection of a first pixel in the electrophoretic image displayed on the display, obtains one or more first useful proteins corresponding to the first pixel and one or more second useful proteins corresponding to one or more second pixels, a length between the first pixel and each of the one or more second pixels being less than or equal to a first length among the pixels, and causes the display to display the electrophoretic image, the one or more first useful proteins, and the one or more second useful proteins as a second display image.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: November 5, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshihide Sawada, Yoshikuni Sato, Toru Nakada
  • Patent number: 10388984
    Abstract: A method for producing a graphite powder for a negative electrode of a lithium ion secondary battery, including a process of graphitizing a mixture of a carbon raw material powder and a silicon carbide powder, wherein a 90% particle diameter in a volume-based cumulative particle size distribution by laser diffraction method, D90, is 1 to 40 ?m, a silicon carbide content in a total mass of a carbon raw material and silicon carbide (mass of silicon carbide/total mass of the carbon raw material and silicon carbide) is 1 to 35 mass %, the ratio of a 50% particle diameter in a volume-based cumulative particle size distribution by laser diffraction method, D50, of the carbon raw material powder to D50 of silicon carbide powder (D50 of the carbon raw material powder/D50 of silicon carbide powder) is 0.40 to 4.0.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: August 20, 2019
    Assignee: SHOWA DENKO K.K
    Inventors: Yasuaki Wakizaka, Yoshikuni Sato, Daisuke Miyamoto
  • Patent number: 10377633
    Abstract: A non-flaky carbon material having specific optical structures, wherein the ratio between the peak intensity I110 of (110) plane and the peak intensity I004 of (004) plane of a graphite crystal determined by the powder XRD measurement, I110/I004, is 0.10 or more and 0.35 or less; an average circularity is 0.80 or more and 0.95 or less; d002 is 0.337 nm or less; and the total pore volume of pores having a diameter of 0.4 ?m or less measured by the nitrogen gas adsorption method is 25.0 ?l/g or more and 40.0 ?l/g or less. Also disclosed is a method for producing the carbon material, a carbon material for a battery electrode, a paste for an electrode incorporating the carbon material for a battery electrode, an electrode for a lithium battery incorporating a formed body of the paste for an electrode, a lithium-ion secondary battery including the electrode and a method for producing the electrode.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: August 13, 2019
    Assignee: SHOWA DENKO K.K.
    Inventors: Naoto Kawaguchi, Takashi Terashima, Yoshikuni Sato, Yasuaki Wakizaka
  • Publication number: 20190237763
    Abstract: A graphite material, including high crystallinity graphite and spherical graphite, in which high crystallinity graphite: (1) a rhombohedral crystal ratio by X-ray diffractometry is 0.02 or less, (2) Lc is 90 nm or more, (3) when a pressure of 1 GPa for 10 seconds is applied to the high crystallinity graphite, the increment rate of the BET specific surface area after applying the pressure to the BET specific surface area before applying the pressure is 90% or less, and (4) D10 is 5.0 ?m or more; and in which spherical graphite: (1) a median of the circularity is 0.90 or more, and (2) a tapping density is 1.20 g/cm3 or more; and the ratio by mass of the high crystallinity graphite and the spherical graphite is 95:5 to 40:60; an electrode using the graphite material as an electrode active material; and a lithium ion secondary battery using the electrode.
    Type: Application
    Filed: June 19, 2017
    Publication date: August 1, 2019
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasuaki WAKIZAKA, Yoshikuni SATO, Daisuke MIYAMOTO, Shunsuke YOSHIOKA, Daisuke KONO, Ayaka IKADO
  • Patent number: 10284797
    Abstract: An image generating system according to an aspect of the present disclosure includes an image obtaining device, an image generating circuit, and an image processing circuit. The image obtaining device includes an illuminating system that irradiates an object included in a module in which the object and an imaging element are integrated together, with light sequentially from a plurality of different radiation directions. The image obtaining device obtains a plurality of images corresponding to the plurality of different radiation directions. The image generating circuit generates a high-resolution image of the object having a higher resolution than each of the plurality of images by combining the plurality of images together. The image processing circuit detects noise resulting from a foreign object located farther from an imaging surface of the imaging element than the object and removes the noise.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: May 7, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yasuhiko Adachi, Yoshikuni Sato, Hideto Motomura
  • Publication number: 20190098034
    Abstract: An anomaly detection method includes generating second data by adding normal noise to first data; generating third data by adding abnormal noise to the first data; inputting the first data, the second data, and the third data to a neural network; calculating a first normal score, a second normal score, and a third normal score; calculating a third difference based on a first difference and a second difference, the first difference being based on a difference between the first normal score and the second normal score, the second difference being based on a difference between the first normal score and the third normal score; changing the neural network so that the third difference becomes smallest; inputting, to the changed neural network, fourth data that is unknown in terms of whether the fourth data is normal or abnormal; and determining whether the fourth data is normal or abnormal.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 28, 2019
    Inventors: KENSUKE WAKASUGI, YOSHIKUNI SATO
  • Publication number: 20190026890
    Abstract: A display control apparatus includes a memory and a circuit. The circuit obtains an electrophoretic image from the memory, causes a display to display the electrophoretic image as a first display image, receives a selection of a first pixel in the electrophoretic image displayed on the display, obtains one or more first useful proteins corresponding to the first pixel and one or more second useful proteins corresponding to one or more second pixels, a length between the first pixel and each of the one or more second pixels being less than or equal to a first length among the pixels, and causes the display to display the electrophoretic image, the one or more first useful proteins, and the one or more second useful proteins as a second display image.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 24, 2019
    Inventors: YOSHIHIDE SAWADA, YOSHIKUNI SATO, TORU NAKADA
  • Publication number: 20180269469
    Abstract: A graphite powder, preferably including scale-like particles, which satisfies the following formulae (1) and (2), wherein e(0.5) represents the initial charge-discharge efficiency of a coin cell fabricated from an electrode (work electrode) produced by compressing an electrode material employing graphite powder as an active material under a pressure of 0.5 t/cm2, a lithium metal counter electrode, a separator and an electrolytic solution; and e(3) represents the initial charge-discharge efficiency of a coin cell fabricated from an electrode (work electrode) produced by compressing an electrode material employing graphite powder as an active material under a pressure of 3 t/cm2, a lithium metal counter electrode, a separator and an electrolytic solution: e(3)(%)?e(0.5)(%)?1,??formula (1): e(3)(%)>85.??formula (2): Also disclosed is a method of producing the graphite powder; a graphite material for a battery electrode; an electrode for a lithium ion; and a lithium-ion secondary battery.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasuaki WAKIZAKA, Yuichi KAMIJO, Daisuke KONO, Yoshikuni SATO
  • Publication number: 20180261828
    Abstract: A graphite powder, preferably including scale-like particles, which satisfies the following formulae (1) and (2), wherein e(0.5) represents the initial charge-discharge efficiency of a coin cell fabricated from an electrode (work electrode) produced by compressing an electrode material employing graphite powder as an active material under a pressure of 0.5 t/cm2, a lithium metal counter electrode, a separator and an electrolytic solution; and e(3) represents the initial charge-discharge efficiency of a coin cell fabricated from an electrode (work electrode) produced by compressing an electrode material employing graphite powder as an active material under a pressure of 3 t/cm2, a lithium metal counter electrode, a separator and an electrolytic solution: e(3)(%)?e(0.5)(%)?1,??formula (1): e(3)(%)>85.??formula (2): Also disclosed is a method of producing the graphite powder; a graphite material for a battery electrode; an electrode for a lithium ion; and a lithium-ion secondary battery.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 13, 2018
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasuaki WAKIZAKA, Yuichi KAMIJO, Daisuke KONO, Yoshikuni SATO