Patents by Inventor Yuji Setoguchi

Yuji Setoguchi 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).

  • Publication number: 20230050815
    Abstract: Provide is a blood collection container capable of suppressing the occurrence of blood clots involving bubbles when blood containing heparin is coagulated, and capable of suppressing the production of fibrin in serum after separation when blood containing heparin is separated into serum and blood clots. A blood collection container according to the present invention includes: a blood collection container main body having an opening at one end thereof and a closed bottom at the other end thereof; a serine protease disposed in the blood collection container main body; and a heparin neutralizing agent disposed in the blood collection container main body, wherein when a region in which the serine protease is disposed is defined as a first region, and a region in which the heparin neutralizing agent is disposed is defined as a second region, the second region includes a region present on an other end side with respect to an end on the other end side of the first region.
    Type: Application
    Filed: November 30, 2020
    Publication date: February 16, 2023
    Applicants: SEKISUI MEDICAL CO., LTD., TOKUYAMA SEKISUI CO., LTD.
    Inventors: Yuji SETOGUCHI, Hironobu ISOGAWA
  • Patent number: 6488857
    Abstract: A method for separating hemoglobin A2 from a hemoglobin mixture according to a cation exchange liquid chromatography characterized that at least two types of eluents are used including an eluent (hereinafter referred to as “eluent A”) for elution of faster hemoglobins than hemoglobin A0 and an eluent (hereinafter referred to as “eluent B”) for elution of hemoglobin A0 and slower hemoglobins than hemoglobin A0, and that the eluent A has a pH of 4.0-6.0 and the eluent B is maintained at a pH of at least 0.5 higher than that of the eluent A.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: December 3, 2002
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Kazuhiko Shimada, Yuji Setoguchi, Kazuyuki Oishi, Toshiki Kawabe
  • Patent number: 6468734
    Abstract: An object is to obtain a container for measurement of cell functions which is simplified in operation, less risky and capable of measuring the cell functions very accurately. A container for measurement of cell functions, for use in the determination of a physiologically active substance produced by blood cells, is constituted such that an amount of material capable of inducing production of the physiologically active substance, when extracted by collecting water of a volume equal to a liquid volume to be subjected to measurement, is controlled at a level insufficient to induce production of the physiologically active substance from the blood cells.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: October 22, 2002
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Koji Kobayashi, Yuji Setoguchi, Kiyoshi Kuriyama
  • Patent number: 6458548
    Abstract: A container for measurement of cell functions, for use in the determination of a physiologically active substance produced by blood cells, is constituted such that an amount of material capable of inducing production of the physiologically active substance, when extracted by collecting water of a volume equal to a liquid volume to be subjected to measurement, is controlled at a level insufficient to induce production of the physiologically active substance from the blood cells. A container for measurement of cell functions in which a material capable of inducing production of a physiologically active substance in blood when contacted with the blood is accommodated in such a condition as being contactable with blood, and in which an amount of the material capable of inducing production of the physiologically active substance in the container before use is limited to a level insufficient to influence a measured value of the physiologically active substance.
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: October 1, 2002
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Koji Kobayashi, Yuji Setoguchi, Kiyoshi Kuriyama
  • Patent number: 6428704
    Abstract: A method for determining hemoglobins is provided which is suitable for determination of stable hemoglobin A1c. A method for determining hemoglobins by cation exchange liquid chromatography wherein an eluent is used containing a chaotropic ion and further an inorganic acid, an organic acid and/or any salt thereof having a buffer capacity in the 4.0-6.8 pH range.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: August 6, 2002
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Yuji Setoguchi, Kazuyuki Oishi, Kazuhiko Shimada, Toshiki Kawabe, Takayuki Oka
  • Publication number: 20010014443
    Abstract: An object is to obtain a container for measurement of cell functions which is simplified in operation, less risky and capable of measuring the cell functions very accurately.
    Type: Application
    Filed: January 4, 2001
    Publication date: August 16, 2001
    Applicant: SEKISUI KAGAKU KOGYO KABUSHIKI KAISHA
    Inventors: Koji Kobayashi, Yuji Setoguchi, Kiyoshi Kuriyama
  • Publication number: 20010006791
    Abstract: An object is to obtain a container for measurement of cell functions which is simplified in operation, less risky and capable of measuring the cell functions very accurately.
    Type: Application
    Filed: April 1, 1998
    Publication date: July 5, 2001
    Inventors: KOJI KOBAYASHI, YUJI SETOGUCHI, KIYOSHI KURIYAMA