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公开(公告)号：US20220211297A1
公开(公告)日：2022-07-07
申请号：US17611649
申请日：2019-05-29
Applicant: NEC Corporation
Inventor： Chenhui HUANG , Kenichiro FUKUSHI , Kazuki IHARA , Noriyuki TONOUCHI
Abstract: Provided is an information processing device including an acquisition unit configured to acquire motion information of a foot of a user measured by a motion measurement device provided on the foot and a feature amount extracting unit configured to extract a feature amount indicating a walking environment from an angle between a sole and a ground generated based on the motion information.
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公开(公告)号：US20200282360A1
公开(公告)日：2020-09-10
申请号：US16753881
申请日：2018-10-03
Applicant: NEC CORPORATION
Inventor： Kazuki IHARA
IPC: B01D57/02 , C01B32/172
Abstract: A nanocarbon separation device includes a porous structure configured to hold a dispersion liquid containing nanocarbons, a first electrode disposed to come into contact with at least a part of an upper end of the porous structure, and a second electrode disposed to come into contact with at least a part of a lower end of the porous structure.
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13.发明公开公开(公告)号：US20240138757A1
公开(公告)日：2024-05-02
申请号：US18410330
申请日：2024-01-11
Applicant: NEC Corporation
Inventor： Zhenwei WANG , Chenhui HUANG , Kenichiro FUKUSHI , Kazuki IHARA , Fumiyuki NIHEY , Hiroshi KAJITANI , Yoshitaka NOZAKI , Kentaro NAKAHARA
CPC classification number: A61B5/4571 , A61B5/112 , A61B5/7278 , G16H40/63
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.
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公开(公告)号：US20220260609A1
公开(公告)日：2022-08-18
申请号：US17607924
申请日：2019-05-15
Applicant: NEC Corporation
Inventor： Chenhui HUANG , Kazuki IHARA , Noriyuki TONOUCHI , Kenichiro FUKUSHI
Abstract: A determination device includes: a sensor data reception unit that receives sensor data including acceleration in a travel direction of a user and in a gravity direction; a walking state discrimination unit that switches to a discrimination mode in response to the acceleration in the gravity direction exceeding a first threshold in a power saving mode, and switches to a walk measurement mode in response to the acceleration in the travel direction exceeding a second threshold in the discrimination mode; a change trend detection unit that detects a change trend of peak values using log data of the peak values of the acceleration in the travel direction in the discrimination mode; a threshold change unit that changes the second threshold based on a detection result by the change trend detection unit; and a transmission unit that transmits the sensor data in the walk measurement mode.
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公开(公告)号：US20220181016A1
公开(公告)日：2022-06-09
申请号：US17599031
申请日：2019-04-01
Applicant: NEC Corporation
Inventor： Chenhui HUANG , Kazuki IHARA , Noriyuki TONOUCHI , Kenichiro FUKUSHI
IPC: G16H40/63
Abstract: A discrimination device includes: a log acquisition unit that acquires sensor data including acceleration acquired by a sensor placed in a shoe, a storage unit that stores log data of the sensor data, a log calling unit that calls the log data stored in the storage unit, a discrimination unit that distinguishes a walking state from a waveform of the log data, a threshold setting unit that retains a first threshold and a second threshold, and sets the first threshold and the second threshold based on a discrimination result, and a transmission unit that transmits the discrimination result. When acceleration in the log data has not exceeded the second threshold within a discrimination time, the discrimination device outputs a discrimination result of being erroneous activation, and updates the first threshold based on a value of the acceleration in the traveling direction in the log data according to the discrimination result.
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Patent Agency Ranking
公开(公告)号：US20220175273A1
公开(公告)日：2022-06-09
申请号：US17617396
申请日：2019-06-12
Applicant: NEC Corporation
Inventor： Chenhui HUANG , Kazuki IHARA , Noriyuki TONOUCHI , Kenichiro FUKUSHI
Abstract: Provided is an information processing device including an action information acquisition unit configured to acquire action information of a user, a pedaling period extracting unit configured to extract a plurality of pedaling periods during which the user pedals a bicycle from the action information, and a calculation unit configured to calculate a non-pedaling time during which the user is on the bicycle and does not pedal based on a start time of each of the plurality of pedaling periods and an end time of each of the plurality of pedaling periods.
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公开(公告)号：US20210087061A1
公开(公告)日：2021-03-25
申请号：US17040315
申请日：2018-03-23
Applicant: NEC CORPORATION
Inventor： Kazuki IHARA
IPC: C01B32/174
Abstract: Provided is a method for stably storing a nanocarbon dispersion liquid comprising a surfactant for a long period of time. One aspect of the present invention relates to a method for storing a nanocarbon dispersion liquid comprising a low-temperature storage step of storing the nanocarbon dispersion liquid at 10° C. or lower and/or a surfactant concentration adjustment step of adjusting a concentration of the surfactant in the nanocarbon dispersion liquid so as to be less than 100 times of a critical micelle concentration and equal to or more than the critical micelle concentration.
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18.发明申请公开(公告)号：US20200325023A1
公开(公告)日：2020-10-15
申请号：US16754048
申请日：2017-10-10
Applicant: NEC CORPORATION
Inventor： Kazuki IHARA
IPC: C01B32/172 , B01D57/02
Abstract: A nanocarbon separation device of the present invention includes a separation tank which is configured to accommodate a dispersion liquid including a nanocarbon, a first electrode that is provided at an upper part in the separation tank, a second electrode that is provided at a lower part in the separation tank, and a porous structure that is provided between the first electrode and the second electrode in the separation tank.
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19.发明申请公开(公告)号：US20200283296A1
公开(公告)日：2020-09-10
申请号：US16754597
申请日：2017-10-10
Applicant: NEC CORPORATION
Inventor： Kazuki IHARA , Mayumi KOSAKA , Ryota YUGE , Hideaki NUMATA , Fumiyuki NIHEY
IPC: C01B32/172 , B01D47/00
Abstract: A nanocarbon separation device includes a separation tank which is configured to accommodate a dispersion liquid including a nanocarbon, a first electrode that is provided at an upper part in the separation tank, a second electrode that is provided at a lower part in the separation tank, and a partition member that is provided between the first electrode and the second electrode in the separation tank, and the partition member partitions the separation tank into a plurality of regions.
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20.发明申请公开(公告)号：US20200223695A1
公开(公告)日：2020-07-16
申请号：US16650189
申请日：2017-09-29
Applicant: NEC CORPORATION
Inventor： Kazuki IHARA , Hideaki NUMATA
IPC: C01B32/159 , C01B32/174
Abstract: A method for separating a single-walled carbon nanotube mixture includes: preparing a dispersion liquid containing the single-walled carbon nanotube mixture and a surfactant; and separating the single-walled carbon nanotube mixture contained in the dispersion liquid, wherein in the separating the single-walled carbon nanotube mixture, a dispersion liquid in which a physical property of the dispersion liquid is within a prescribed range is used.
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