Patents by Inventor Kazuya Hosokawa

Kazuya Hosokawa 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).

  • Patent number: 11969597
    Abstract: A blood pressure controlling apparatus includes an acquiring part configured to acquire biological information indicating blood pressure of a subject, a producing part configured to produce a frequency modulated pulse train on the basis of the biological information, and a supplying part configured to supply an electrical current on the basis of the frequency modulated pulse train, to an electrode attached on the subject. The electrical current stimulates baroreceptor afferent nerves of the subject.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: April 30, 2024
    Assignee: Kyushu University, National University Corporation
    Inventors: Keita Saku, Kenji Sunagawa, Takeshi Tohyama, Kazuya Hosokawa, Takafumi Sakamoto
  • Publication number: 20240060999
    Abstract: A method of analyzing blood coagulation in vitro, comprising analyzing blood coagulation ability using a blood sample in which an extrinsic blood coagulation activator, thrombomodulin and a heparin-like substance are added.
    Type: Application
    Filed: December 28, 2021
    Publication date: February 22, 2024
    Applicant: FUJIMORI KOGYO CO., LTD
    Inventors: Kazuya HOSOKAWA, Tomoka NAGASATO, Hisayo KANEKO, Chiaki OYAMADA, Tomoko WADA
  • Publication number: 20240050940
    Abstract: A method for manufacturing a micro chip is for liquid sample analysis and has a flow path therein. The method includes preparing a base material having, in a surface thereof, a groove serving as a flow path, preparing a film which covers the surface of the base material to seal the groove and can thus form a flow path, applying, on the base material, an adhesive and/or a sticking agent, and attaching the film onto the base material so that a surface of the base material, to which the adhesive and/or the sticking agent is applied, and the film overlap each other. The attaching includes pressure-bonding the film and the base material under 32-643 kPa, and curing the adhesive and/or the sticking agent.
    Type: Application
    Filed: December 24, 2021
    Publication date: February 15, 2024
    Inventors: Masato ABE, Tomoko WADA, Takao SATO, Kazuya HOSOKAWA
  • Publication number: 20240044921
    Abstract: A method of evaluating extrinsic blood coagulation ability in vitro, characterized in that a contact factor inhibitor and an inhibitor for a tissue factor pathway inhibitor (TFPI) are added to a blood sample to evaluate blood coagulation ability, and a method of evaluating intrinsic blood coagulation ability in vitro, characterized in that both the contact factor inhibitor and an extrinsic blood coagulation inhibitor are added to a blood sample to evaluate blood coagulation ability.
    Type: Application
    Filed: December 28, 2021
    Publication date: February 8, 2024
    Applicant: FUJIMORI KOGYO CO., LTD.
    Inventor: Kazuya HOSOKAWA
  • Publication number: 20240024875
    Abstract: A method for manufacturing a microchip for a blood coagulation test includes preparing a substrate which has, in the surface thereof, a groove serving as a flow channel, and has a first through-hole serving as an inlet and provided on one end side of the groove. A film having a surface coated with collagen and/or tissue thromboplastin is prepared so as to cover a region of a portion on the flow channel when the film is bonded to the surface, of the substrate, having the groove therein overlaps the surface, of the film, coated with the collagen and/or tissue thromboplastin.
    Type: Application
    Filed: November 26, 2021
    Publication date: January 25, 2024
    Inventors: Masato ABE, Takao SATO, Tomoko WADA, Tomoka NAGASATO, Kazuya HOSOKAWA
  • Publication number: 20230311115
    Abstract: A method for manufacturing a microchip for analyzing a component in a liquid sample by passing the sample through a flow path provided inside and performing a reaction in a reaction portion provided in a portion of the flow path, the method including: a step of providing a substrate including on the surface thereof a groove serving as a flow path and a reaction portion in a portion between the both ends of the groove; a step of applying an adhesive agent or a gluing agent on an area other than the groove on the grooved surface of the substrate; a step of providing a film on an area of which a reaction substance is applied; and a step of attaching the film on the substrate in a specific manner.
    Type: Application
    Filed: August 31, 2021
    Publication date: October 5, 2023
    Inventors: Masato ABE, Tomoko WADA, Takao SATO, Kazuya HOSOKAWA
  • Publication number: 20230263495
    Abstract: A pulmonary embolism diagnosis support apparatus includes a hardware processor that: obtains a dynamic image of a chest of an examinee captured through radiographic dynamic imaging; analyzes blood flow in the dynamic image to generate blood flow information; generates background lungs information regarding background lungs of the examinee; automatically generates diagnosis support information regarding pulmonary embolism, based on the blood flow information and the background lungs information; and outputs the diagnosis support information regarding pulmonary embolism.
    Type: Application
    Filed: February 15, 2023
    Publication date: August 24, 2023
    Inventors: Takenori Fukumoto, Noritsugu Matsutani, Yuzo Yamasaki, Kohtaro Abe, Kazuya Hosokawa, Takeshi Kamitani, Tomoyuki Hida, Kousei Ishigami
  • Patent number: 11480559
    Abstract: A method for analyzing thrombogenic capacity or blood coagulation capacity, the method comprising adding calcium, a blood coagulation factor XII (FXII) inhibitor, and a kallikrein inhibitor to blood collected with a blood collection tube containing sodium citrate, to allow initiation of blood coagulation reaction, is provided. Preferably, heparin, heparan sulfate, and tissue factor are further added to the blood, and thrombogenic capacity or blood coagulation capacity is analyzed.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: October 25, 2022
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Kazuya Hosokawa, Tomoko Wada, Hisayo Kaneko, Takaaki Hasegawa, Tomoka Nagasato
  • Publication number: 20210393963
    Abstract: A blood pressure controlling apparatus includes an acquiring part configured to acquire biological information indicating blood pressure of a subject, a producing part configured to produce a frequency modulated pulse train on the basis of the biological information, and a supplying part configured to supply an electrical current on the basis of the frequency modulated pulse train, to an electrode attached on the subject. The electrical current stimulates baroreceptor afferent nerves of the subject.
    Type: Application
    Filed: November 1, 2019
    Publication date: December 23, 2021
    Applicant: Kyushu University, National University Corporation
    Inventors: Keita Saku, Kenji Sunagawa, Takeshi Tohyama, Kazuya Hosokawa, Takafumi Sakamoto
  • Patent number: 11092529
    Abstract: A blood coagulation test device includes: a container into which a test-object blood is placed; a stirring part for stirring the test-object blood in the container; an elastic body being connected to the stirring part and capable of deforming in response to a force received through stirring of the test-object blood from the stirring part; a control unit for transmitting a predetermined rotary motion to the stirring part and causing the stirring part to rotate in a reciprocating manner in a circumferential direction by rotating the elastic body in a reciprocating manner about an axis of the stirring part as a rotation axis and controlling the reciprocating rotation at a position separated by a predetermined diameter from the rotational axis; and a measurement unit for measuring a rotation angle pertaining to the reciprocating rotation of the stirring part.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: August 17, 2021
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventor: Kazuya Hosokawa
  • Patent number: 10788502
    Abstract: The present invention addresses a problem in which, when examining blood properties in measurements of thrombus formation capacity and platelet function or the like, measurement data is changed as a result of sedimentation of blood in reservoirs during measurement. An erythrocyte membrane ion transport inhibitor, such as disodium 4,4?-dinitrostilbene-2,2?-disulfonate (DNDS) or 4,4?-diisothiocyanatostilbene-2,2?-disulfonic acid (DIDS), is used to inhibit erythrocyte sedimentation, and accurate measurement data is obtained.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: September 29, 2020
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Kazuya Hosokawa, Tomoko Wada
  • Patent number: 10670616
    Abstract: A microchip for testing a blood property, comprising first and second channels for allowing a blood sample(s) to flow inside, wherein the first channel has a first reaction section coated with collagen and tissue thromboplastin; and said second channel has a second reaction section, wherein the second section has been coated with collagen and tissue thromboplastin the amount of which is equivalent to or smaller than the amount of tissue thromboplastin on said first channel, or the second section has been coated with collagen but not with tissue thromboplastin.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: June 2, 2020
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Kazuya Hosokawa, Tomoko Wada, Hisayo Kaneko
  • Publication number: 20190219490
    Abstract: A blood coagulation test device includes: a container into which a test-object blood is placed; a stirring part for stirring the test-object blood in the container; an elastic body being connected to the stirring part and capable of deforming in response to a force received through stirring of the test-object blood from the stirring part; a control unit for transmitting a predetermined rotary motion to the stirring part and causing the stirring part to rotate in a reciprocating manner in a circumferential direction by rotating the elastic body in a reciprocating manner about an axis of the stirring part as a rotation axis and controlling the reciprocating rotation at a position separated by a predetermined diameter from the rotational axis; and a measurement unit for measuring a rotation angle pertaining to the reciprocating rotation of the stirring part.
    Type: Application
    Filed: August 28, 2017
    Publication date: July 18, 2019
    Inventor: Kazuya Hosokawa
  • Publication number: 20190004031
    Abstract: A method for analyzing thrombogenic capacity or blood coagulation capacity, the method comprising adding calcium, a blood coagulation factor XII (FXII) inhibitor, and a kallikrein inhibitor to blood collected with a blood collection tube containing sodium citrate, to allow initiation of blood coagulation reaction, is provided. Preferably, heparin, heparan sulfate, and tissue factor are further added to the blood, and thrombogenic capacity or blood coagulation capacity is analyzed.
    Type: Application
    Filed: January 6, 2017
    Publication date: January 3, 2019
    Inventors: Kazuya Hosokawa, Tomoko Wada, Hisayo Kaneko, Takaaki Hasegawa, Tomoka Nagasato
  • Publication number: 20170119254
    Abstract: A circulation time measurement device includes: a signal acquisition unit that acquires an air flow signal indicating a temporal change of an air flow of breathing and an oxygen saturation signal indicating a temporal change of oxygen saturation; and a circulation time calculation unit that measures an oxygen delivery circulation time of blood based on a time difference between a predetermined first time in the air flow signal and a second time in the oxygen saturation signal indicating an increase in oxygen saturation corresponding to resumption of breathing at the first time.
    Type: Application
    Filed: June 5, 2015
    Publication date: May 4, 2017
    Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Shinichi ANDO, Kazuya HOSOKAWA
  • Publication number: 20170023596
    Abstract: A microchip for testing a blood property, comprising first and second channels for allowing a blood sample(s) to flow inside, wherein the first channel has a first reaction section coated with collagen and tissue thromboplastin; and said second channel has a second reaction section, wherein the second section has been coated with collagen and tissue thromboplastin the amount of which is equivalent to or smaller than the amount of tissue thromboplastin on said first channel, or the second section has been coated with collagen but not with tissue thromboplastin.
    Type: Application
    Filed: April 8, 2015
    Publication date: January 26, 2017
    Inventors: Kazuya HOSOKAWA, Tomoko WADA, Hisayo KANEKO
  • Publication number: 20170010289
    Abstract: The present invention addresses a problem in which, when examining blood properties in measurements of thrombus formation capacity and platelet function or the like, measurement data is changed as a result of sedimentation of blood in reservoirs during measurement. An erythrocyte membrane ion transport inhibitor, such as disodium 4,4?-dinitrostilbene-2,2?-disulfonate (DNDS) or 4,4?-diisothiocyanatostilbene-2,2?-disulfonic acid (DIDS), is used to inhibit erythrocyte sedimentation, and accurate measurement data is obtained.
    Type: Application
    Filed: February 3, 2015
    Publication date: January 12, 2017
    Applicant: FUJIMORI KOGYO CO., LTD.
    Inventors: Kazuya HOSOKAWA, Tomoko WADA
  • Publication number: 20160103142
    Abstract: A method for testing platelet function, wherein platelet function is tested by allowing anticoagulated blood, to which a weak platelet-activating reagent has been mixed, to pass through a capillary having a platelet-adhesive surface on at least a part of its inner surface, and observing or measuring the behavior of the blood in the capillary.
    Type: Application
    Filed: November 2, 2015
    Publication date: April 14, 2016
    Applicant: FUJIMORI KOGYO CO., LTD
    Inventors: Kazuya Hosokawa, Masashi Fukasawa, Maki Terada
  • Publication number: 20150338330
    Abstract: A method for comprehensively and quantitatively analyzing platelet aggregability, and stability and persistence of platelet aggregates, which method comprises the steps of: reacting a platelet-activating reagent with blood in a closed container; injecting a liquid which is not mixable with blood into the container using a pump connected to a first end of the container, thereby pushing the mixture of the platelet-activating reagent and the blood out from the container and allowing the mixture to pass through a filter in a filter device connected to a second end of the container; and measuring the pressure exerted on the pump.
    Type: Application
    Filed: December 20, 2013
    Publication date: November 26, 2015
    Inventors: Kazuya Hosokawa, Tomoko Wada, Takaaki Hasegawa
  • Patent number: D783175
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: April 4, 2017
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Kazuya Hosokawa, Tomoko Wada, Takao Sato, Yasuto Ishikawa