Patents by Inventor Megumi Saeda

Megumi Saeda 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).

  • Biosensor comprising electrode for measuring hematocrit value
    Patent number: 10309888
    Abstract: Provided is a method for measuring the concentration of a substance in a blood sample, the method comprising the steps of: supplying the blood sample to a biosensor comprising a hematocrit electrode for measuring a hematocrit value on the surface of which electrode an electrically conductive polymer is coated by physical adsorption in the absence of a crosslinking agent; and calculating the concentration of the substance from the measured value of a first current resulting from application of a first voltage; and correcting the concentration of the substance with the value of a second current resulting from application of a second voltage or the hematocrit value calculated from the value of the second current.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: June 4, 2019
    Assignee: ARKRAY, Inc.
    Inventors: Megumi Saeda, Hisashi Kaneda
  • Biosensor
    Patent number: 10228341
    Abstract: A biosensor includes a plurality of electrodes including a working electrode, and a detection layer which is immobilized on the working electrode and contains a crosslinking agent, an electrically conductive macromolecule and an enzyme transferring and receiving electrons to and from the working electrode. The working electrode is in an open system.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: March 12, 2019
    Assignees: ARKRAY, Inc., Ultizyme International Ltd.
    Inventors: Koji Katsuki, Megumi Saeda, Junko Shimazaki
  • Biosensor comprising electrode for measuring hematocrit value
    Patent number: 9952197
    Abstract: Provided is a method for measuring the concentration of a substance in a blood sample, comprising: supplying the blood sample to a biosensor comprising a hematocrit electrode for measuring a hematocrit value on the surface of which electrode an electrically conductive polymer is covalently immobilized; and calculating the concentration of the substance from the measured value of a first current resulting from application of a first voltage; and correcting the concentration of the substance with the value of a second current resulting from application of a second voltage or the hematocrit value calculated from the value of the second current.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: April 24, 2018
    Assignee: ARKRAY, Inc.
    Inventors: Megumi Saeda, Hisashi Kaneda
  • Biosensor
    Publication number: 20170108458
    Abstract: A biosensor according to an embodiment includes: a working electrode; a counter electrode; a reference electrode; and a detection layer contacting the working electrode and containing a crosslinking agent, an electrically conductive polymer, and an enzyme transferring and receiving electrons to and from the working electrode, the reference electrode being a polarized electrode.
    Type: Application
    Filed: October 14, 2016
    Publication date: April 20, 2017
    Applicants: ARKRAY, Inc., Ultizyme International Ltd.
    Inventors: Megumi Saeda, Junko Shimazaki
  • Biosensor
    Publication number: 20170108459
    Abstract: A biosensor includes a plurality of electrodes including a working electrode, and a detection layer which is immobilized on the working electrode and contains a crosslinking agent, an electrically conductive macromolecule and an enzyme transferring and receiving electrons to and from the working electrode. The working electrode is in an open system.
    Type: Application
    Filed: October 14, 2016
    Publication date: April 20, 2017
    Applicants: ARKRAY, Inc., Ultizyme International Ltd.
    Inventors: Koji Katsuki, Megumi Saeda, Junko Shimazaki
  • Biosensor Comprising Electrode for Measuring Hematocrit Value
    Publication number: 20160290987
    Abstract: Provided is a method for measuring the concentration of a substance in a blood sample, comprising: supplying the blood sample to a biosensor comprising a hematocrit electrode for measuring a hematocrit value on the surface of which electrode an electrically conductive polymer is covalently immobilized; and calculating the concentration of the substance from the measured value of a first current resulting from application of a first voltage; and correcting the concentration of the substance with the value of a second current resulting from application of a second voltage or the hematocrit value calculated from the value of the second current.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 6, 2016
    Applicant: ARKRAY, Inc.
    Inventors: Megumi Saeda, Hisashi Kaneda
  • Biosensor Comprising Electrode for Measuring Hematocrit Value
    Publication number: 20160290910
    Abstract: Provided is a method for measuring the concentration of a substance in a blood sample, the method comprising the steps of: supplying the blood sample to a biosensor comprising a hematocrit electrode for measuring a hematocrit value on the surface of which electrode an electrically conductive polymer is coated by physical adsorption in the absence of a crosslinking agent; and calculating the concentration of the substance from the measured value of a first current resulting from application of a first voltage; and correcting the concentration of the substance with the value of a second current resulting from application of a second voltage or the hematocrit value calculated from the value of the second current.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 6, 2016
    Applicant: ARKRAY, Inc.
    Inventors: Megumi Saeda, Hisashi Kaneda