Patents by Inventor Akiya INAGAKI

Akiya INAGAKI 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).

  • Stress estimation system
    Patent number: 11369287
    Abstract: A stress estimation system which estimates stress of a user includes a walking speed acquisition unit configured to acquire walking speed information indicating walking speeds of a user in each of the morning and the afternoon at a preset place, an estimation unit configured to calculate a comparison value between the walking speeds in each of the morning and the afternoon indicated by the acquired walking speed information, and to estimate stress of the user based on the calculated comparison value, and an output unit configured to output information in accordance with the estimated stress of the user.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: June 28, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Akiya Inagaki, Yusuke Fukazawa, Keiichi Ochiai
  • Aloneness estimation device
    Patent number: 10733679
    Abstract: An aloneness estimation device estimating whether a user acts alone includes an operation state information acquisition unit configured to acquire operation state information indicating the user's operation state of a terminal per position, a criteria setting unit configured to set criteria for use in estimation in accordance with a position related to the acquired operation state information, an estimation unit configured to estimate whether the user acts alone from the operation state information acquired by the operation state information acquisition unit based on the set criteria, and an output unit configured to output information in accordance with estimation.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: August 4, 2020
    Assignee: NTT DOCOMO, INC.
    Inventors: Naoki Yamamoto, Keiichi Ochiai, Akiya Inagaki
  • STRESS ESTIMATION SYSTEM
    Publication number: 20200060581
    Abstract: A stress estimation system which estimates stress of a user includes a walking speed acquisition unit configured to acquire walking speed information indicating walking speeds of a user in each of the morning and the afternoon at a preset place, an estimation unit configured to calculate a comparison value between the walking speeds in each of the morning and the afternoon indicated by the acquired walking speed information, and to estimate stress of the user based on the calculated comparison value, and an output unit configured to output information in accordance with the estimated stress of the user.
    Type: Application
    Filed: April 11, 2018
    Publication date: February 27, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Akiya INAGAKI, Yusuke FUKAZAWA, Keiichi OCHIAI
  • ALONENESS ESTIMATION DEVICE
    Publication number: 20200043105
    Abstract: An aloneness estimation device estimating whether a user acts alone includes an operation state information acquisition unit configured to acquire operation state information indicating the user's operation state of a terminal per position, a criteria setting unit configured to set criteria for use in estimation in accordance with a position related to the acquired operation state information, an estimation unit configured to estimate whether the user acts alone from the operation state information acquired by the operation state information acquisition unit based on the set criteria, and an output unit configured to output information in accordance with estimation.
    Type: Application
    Filed: April 20, 2018
    Publication date: February 6, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoki YAMAMOTO, Keiichi OCHIAI, Akiya INAGAKI