Patents Assigned to PROVIGATE INC.
  • Patent number: 12589193
    Abstract: A device that collects liquid includes a flow passage member (110) including a flow passage (111) that receives liquid at one end (113) of the flow passage (111) and that is capable of containing the received liquid (102); a tank (120) having an internal space (121) in which a processing solution (131) is contained, the tank (120) being configured to receive at least one end (113) of the flow passage member (110) and allow mixing of the processing solution (131) contained in the tank (120) and the liquid (102) contained in the flow passage (111) to start in the internal space (121); a pump (150) for discharging the mixed solution from the tank (120); and a filter (160) that separates one or more components of the mixed solution.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: March 31, 2026
    Assignee: PROVIGATE INC.
    Inventors: Mitsumi Nishi, Noriko Miyauchi
  • Patent number: 12523582
    Abstract: According to an embodiment of the present disclosure, a medium with which blood plasma is separated and stored, the medium including a porous medium for separation of blood plasma and a substance supported on the porous medium, the substance that suppresses glycation of a protein by glucose, is provided.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: January 13, 2026
    Assignee: PROVIGATE INC.
    Inventors: Mitsumi Nishi, Noriko Miyauchi, Yuuya Miyazawa
  • Patent number: 12416549
    Abstract: An embodiment of the present disclosure provides a liquid collector that collects liquid, the liquid collector including: a flow passage member including a flow passage that connects one end and other end of the flow passage member; a contact member that is disposed at the one end of the flow passage member, that includes an elastic material, and that is configured to come into contact with a target from which liquid is to be collected; and a container that receives the liquid discharged from the flow passage at the other end of the flow passage member.
    Type: Grant
    Filed: May 30, 2021
    Date of Patent: September 16, 2025
    Assignee: PROVIGATE INC.
    Inventors: Mitsumi Nishi, Noriko Miyauchi
  • Patent number: 12332208
    Abstract: A sensor chip (30), to be brought close to an organism to collect a body fluid in order to chemically measure the body fluid, is configured such that a surface (100) to be brought close to the organism is curved.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: June 17, 2025
    Assignee: PROVIGATE INC.
    Inventors: Yuuya Miyazawa, Narushi Ito, Norikazu Katayama, Mitsumi Nishi, Yoshiyuki Yanagimoto
  • Patent number: 12178413
    Abstract: The objective of the present invention is to provide a liquid sample collector capable of collecting a trace amount of a specimen such as a tear safely and in an adequate amount. This trace amount liquid sample collector is characterized in that: the liquid sample collector is provided with a main body and a first absorbent body; the main body has at least one open end portion; the main body includes a hydrophobic material having elasticity; the first absorbent body is disposed at least partially inside the main body; the first absorbent body includes a water-absorbent material; and the first absorbent body is disposed in such a way as to be capable of coming into contact with the outside by way of the at least one open end portion of the main body.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: December 31, 2024
    Assignee: Provigate Inc.
    Inventors: Norikazu Katayama, Narushi Ito
  • Patent number: 12085529
    Abstract: Provided is a glycated protein sensor provided with: immobilized protease; immobilized ketoamine oxidase; and a hydrogen peroxide detection section.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: September 10, 2024
    Assignee: PROVIGATE INC.
    Inventors: Narushi Ito, Mitsumi Nishi, Norikazu Katayama, Yuuya Miyazawa
  • Patent number: 11630077
    Abstract: The object of the invention is to increase the detection specificity of biosensors. The present invention provides a biosensor characterized in that it comprises an identifier substance that can bind to a detection target substance and an electrode that takes the charge of said identifier substance, wherein the biosensor detects the change in the charge density of said electrode generated by the binding of said detection target substance with said identifier substance, the surface of said electrode is coated with polycatecholamine, all or a part of said electrode surface coated with polycatecholamine further has a polymer layer formed thereon which has a molecular imprint having a structure complementary to the molecular structure of the detection target substance formed therein, said polymer layer comprises said identifier substance, and said polymer layer is an ultrathin film layer.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: April 18, 2023
    Assignee: Provigate Inc.
    Inventors: Taira Kajisa, Yoshiyuki Yanagimoto
  • Patent number: 11536690
    Abstract: Provided is an electrical circuit for electrochemical measurement of a solution, said electrical circuit comprising: a voltage generation circuit; an operational amplifier that has an output (OUT), a non-inverting input (+IN), and an inverting input (?IN), wherein the output (OUT) is connected to a counter electrode (CE) in contact with the solution, the inverting input (?IN) is connected to a reference electrode (RE) in contact with the solution, and the non-inverting input (+IN) is connected to the voltage generation circuit; a capacitor that is connected between the output (OUT) and inverting input (?IN) and has a capacitance of 1 ?F or greater; and a current measurement circuit that is connected to a working electrode (WE) in contact with the solution.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: December 27, 2022
    Assignee: PROVIGATE INC.
    Inventor: Yoshiyuki Yanagimoto
  • Patent number: 10996194
    Abstract: [Problem to be Solved] A biosensor having high detection sensitivity and detection specificity is provided. [Solution] There is provided a biosensor comprising: an identification substance capable of binding to a substance to be detected; and an electrode charged with a charge of the identification substance, and detecting a change in a charge density of the electrode caused by binding of the substance to be detected to the identification substance, wherein a polymer layer in which a molecular template having a structure complementary to a molecular structure of the substance to be detected is formed is formed on all or part of a surface of the electrode, the identification substance is contained in the polymer layer, and the polymer layer is an ultrathin film layer.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: May 4, 2021
    Assignees: PROVIGATE INC., THE UNIVERSITE OF TOKYO
    Inventors: Taira Kajisa, Koshin Sekimizu, Toshiya Sakata