公开(公告)号：US20250032024A1

公开(公告)日：2025-01-30

申请号：US18716281

申请日：2021-12-27

Applicant: NEC Corporation

Inventor： Chenhui HUANG ,  Fumiyuki NIHEY ,  Hiroshi KAJITANI ,  Yoshitaka NOZAKI ,  Kenichiro FUKUSHI ,  Kenichiro FUKUSHI

IPC: A61B5/22 ,  A61B5/00 ,  A61B5/11 ,  G16H10/20

Abstract: Provided is a muscular strength index estimation device that includes a data acquisition unit that acquires feature amount data including a feature amount, the feature amount being extracted from a feature of gait of a user and being used for estimation of a muscular strength index of the user, a storage unit that stores an estimation model that outputs the muscular strength index in accordance with an input of the feature amount data, an estimation unit that inputs the acquired feature amount data to the estimation model to estimate the muscular strength index of the user, and an output unit that outputs information regarding the estimated muscular strength index.

公开(公告)号：US20250032023A1

公开(公告)日：2025-01-30

申请号：US18716325

申请日：2021-12-27

Applicant: NEC Corporation

Inventor： Chenhui HUANG ,  Fumiyuki NIHEY ,  Zhenwei WANG ,  Hiroshi KAJITANI ,  Yoshitaka NOZAKI ,  Kenichiro FUKUSHI

IPC: A61B5/22 ,  A61B5/11 ,  G16H50/30

Abstract: Provided is a muscle strength evaluation device that includes a data acquisition unit that acquires feature quantity data including a feature quantity used for estimation of a muscle strength of an evaluation target muscle related to a fall risk, the feature quantity data being extracted from sensor data related to movement of a user's foot, a storage unit that stores an estimation model that outputs a muscle strength index of the evaluation target muscle according to an input of the feature quantity data, an evaluation unit that inputs the acquired feature quantity data to the estimation model and evaluate a muscle strength of the evaluation target muscle of the user according to the muscle strength index output from the estimation model, and an output unit that outputs information regarding an evaluation result related to the muscle strength of the evaluation target muscle of the user.

公开(公告)号：US20240148317A1

公开(公告)日：2024-05-09

申请号：US18411130

申请日：2024-01-12

Applicant: NEC Corporation

Inventor： Zhenwei WANG ,  Chenhui HUANG ,  Kenichiro FUKUSHI ,  Kazuki IHARA ,  Fumiyuki NIHEY ,  Hiroshi KAJITANI ,  Yoshitaka NOZAKI ,  Kentaro NAKAHARA

IPC: A61B5/00 ,  A61B5/11 ,  G16H40/63

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.

公开(公告)号：US20240122531A1

公开(公告)日：2024-04-18

申请号：US18395817

申请日：2023-12-26

Applicant: NEC Corporation

Inventor： Kazuki IHARA ,  Kenichiro FUKUSHI ,  Zhenwei WANG ,  Chenhui HUANG ,  Hiroshi KAJITANI ,  Fumiyuki NIHEY ,  Yoshitaka NOZAKI ,  Kentaro NAKAHARA

IPC: A61B5/00 ,  A61B5/11

CPC classification number: A61B5/4585 ,  A61B5/112 ,  A61B5/6807 ,  A61B2562/0219

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.

公开(公告)号：US20160013521A1

公开(公告)日：2016-01-14

申请号：US14770514

申请日：2014-02-26

Applicant: NEC Corporation

Inventor： Koji MATSUNAGA ,  Hiroshi KAJITANI ,  Katsuya ONOSE

IPC: H01M10/44 ,  H02J7/00 ,  H01M10/46

CPC classification number: H01M10/443 ,  H01M10/425 ,  H01M10/441 ,  H01M10/46 ,  H01M10/486 ,  H01M2010/4271 ,  H02J7/0054 ,  H02J7/007 ,  H02J7/0075

Abstract: A storage battery (1) including an electric storage unit (10), an auxiliary electric storage unit (11) connected to the electric storage unit (10) in parallel, a temperature measurement unit (13) measuring a temperature, and a charge and discharge control unit (14) controlling charge and discharge of the electric storage unit (10) and the auxiliary electric storage unit (11), in which the charge and discharge control unit (14) changes an SOC (a charge completion SOC) of the electric storage unit (10) and the auxiliary electric storage unit (11) in a charge completion state of not allowing any more charge according to a measurement result of the temperature measurement unit (13), increases the charge completion SOC of the auxiliary electric storage unit (11) when the charge completion SOC of the electric storage unit (10) decreases, and decreases the charge completion SOC of the auxiliary electric storage unit (11) when the charge completion SOC of the electric storage unit (10) increases.

Abstract translation: 一种蓄电池（1），包括蓄电单元（10），与蓄电单元（10）并联连接的辅助蓄电单元（11），测量温度的温度测量单元（13） 控制蓄电单元（10）和辅助蓄电单元（11）的充放电的放电控制单元（14），其中充放电控制单元（14）改变所述充放电控制单元（14）的SOC（充电完成SOC） 在根据温度测量单元（13）的测量结果不再允许充电的充电完成状态下的蓄电单元（10）和辅助蓄电单元（11）增加辅助蓄电单元（10）的充电完成SOC 当蓄电单元（10）的充电完成SOC减小时，并且当蓄电单元（10）的充电完成SOC增加时，减小辅助蓄电单元（11）的充电完成SOC的单元（11） es。

公开(公告)号：US20250057445A1

公开(公告)日：2025-02-20

申请号：US18724271

申请日：2022-01-11

Applicant: NEC Corporation

Inventor： Zhenwei WANG ,  Kenichiro FUKUSHI ,  Chenhui HUANG ,  Hiroshi KAJITANI ,  Fumiyuki NIHEY

IPC: A61B5/11 ,  A61B5/00 ,  G16H50/30

Abstract: Provided is an evaluation device that includes an acquisition unit that acquires position data pertaining to a plurality of measurement target sites established in an evaluation target segment of a body, a calculation unit that fits a circle to the plurality of measurement target sites and calculates a value of a diameter of the fitted circle, an evaluation unit that evaluates flexibility of the evaluation target segment according to the calculated value of the diameter of the circle, and an output unit that outputs an evaluation result relating to the flexibility of the evaluation target segment.

公开(公告)号：US20250031995A1

公开(公告)日：2025-01-30

申请号：US18716561

申请日：2021-12-27

Applicant: NEC Corporation

Inventor： Chenhui HUANG ,  Fumiyuki NIHEY ,  Zhenwei WANG ,  Hiroshi KAJITANI ,  Yoshitaka NOZAKI ,  Kenichiro FUKUSHI

IPC: A61B5/11

Abstract: Provided is a dynamic balance estimation device that includes a data acquisition unit that acquires feature amount data including a feature amount to be used for estimating dynamic balance of a user, the feature amount data being extracted from sensor data regarding motion of a foot of the user, a storage unit that stores an estimation model that outputs a dynamic balance index according to an input of the feature amount data, an estimation unit that inputs the acquired feature amount data to the estimation model to estimate the dynamic balance of the user in accordance with the dynamic balance index output from the estimation model, and an output unit that outputs information on the estimated dynamic balance of the user.

公开(公告)号：US20240257975A1

公开(公告)日：2024-08-01

申请号：US18560462

申请日：2021-05-21

Applicant: NEC Corporation

Inventor： Chenhui HUANG ,  Zhenwei WANG ,  Kenichiro FUKUSHI ,  Fumiyuki NIHEY ,  Hiroshi KAJITANI ,  Kentaro NAKAHARA

IPC: G16H50/20 ,  A61B5/00 ,  A61B5/103 ,  A61B5/11 ,  G16H50/30 ,  G16H50/70

CPC classification number: G16H50/20 ,  A61B5/1036 ,  A61B5/1121 ,  A61B5/6807 ,  A61B5/743 ,  G16H50/30 ,  G16H50/70 ,  A61B2503/08 ,  A61B2560/045 ,  A61B2560/0462 ,  A61B2562/0219 ,  A61B2562/0247

Abstract: To estimate the body condition according to the attributes on the basis of sensor data measured while a user is walking, this estimation device comprises: a feature amount extraction unit that extracts, from a walking waveform extracted from time-series data of sensor data based on the movement of user's legs, a feature amount according to user's attributes in a section in which features of the body condition of the user according to the user's attributes are exhibited; and an estimation unit that estimates the user's body condition using the feature amount extracted according to the user's attributes.

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

IPC: A61B5/00 ,  A61B5/11 ,  G16H40/63

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.

公开(公告)号：US20220391010A1

公开(公告)日：2022-12-08

申请号：US17769827

申请日：2019-10-31

Applicant: NEC Corporation

Inventor： Kenichiro FUKUSHI ,  Hiroaki Nakano ,  Toshinori TAKEMURA ,  Kentaro NAKAHARA ,  Hannah POKKA ,  Itsumi KATO ,  Akira KAMEI ,  Chenhui HUANG ,  Hiroshi KAJITANI ,  Zhenwei WANG ,  Koichi MORIKAWA ,  Hiroshi OKUDA

IPC: G06F3/01

Abstract: An information processing system includes an acquisition unit configured to acquire sensing data from a sensor device used for a foot, and a determination unit configured to determine an attached state of the sensor device to the foot according to a motion of the foot calculated using the sensing data.