Patents by Inventor Kohei AKATSUCHI

Kohei AKATSUCHI 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).

  • Reagent for determination of coagulation time, production method therefor, reagent kit, and method for determination of coagulation time
    Patent number: 11486885
    Abstract: Disclosed is a reagent for determination of activated partial thromboplastin time, comprising: a phosphatidylcholine (PC); a phosphatidylserine (PS); and a phosphatidylethanolamine (PE), wherein a concentration ratio of the PS relative to the PC is not less than 0.16 and not more than 0.25, and a concentration of the PS is not less than 7 ?g/mL and not more than 13 ?g/mL.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: November 1, 2022
    Assignee: SYSMEX CORPORATION
    Inventors: Kohei Akatsuchi, Takahiko Bandou, Naoki Yamamoto, Masako Aki
  • METHOD FOR MEASURING ACTIVATED PARTIAL THROMBOPLASTIN TIME
    Publication number: 20210088537
    Abstract: Disclosed is a method for measuring activated partial thromboplastin time, the method comprising: mixing: a blood sample; a first reagent comprising an ellagic acid compound and a compound represented by Formula (I); and a second regent comprising a calcium ion; and measuring activated partial thromboplastin time using the mixture prepared in the mixing step, wherein the compound represented by Formula (I) is shown below wherein X is a hydrogen atom, —(C?O)—Y, or —(C?O)—OZ, Y is a hydroxyl group, a hydrogen atom, a linear or branched alkyl group having a carbon number of 1 or more and 6 or less, or a phenyl group, and Z is an alkali metal.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 25, 2021
    Applicant: SYSMEX CORPORATION
    Inventors: Takahiko BANDO, Kohei AKATSUCHI, Naoki YAMAMOTO, Masako AKI, Hiroshi NEGORO, Masato MICHISHITA
  • REAGENT FOR DETERMINATION OF COAGULATION TIME, PRODUCTION METHOD THEREFOR, REAGENT KIT, AND METHOD FOR DETERMINATION OF COAGULATION TIME
    Publication number: 20200103421
    Abstract: Disclosed is a reagent for determination of activated partial thromboplastin time, comprising: a phosphatidylcholine (PC); a phosphatidylserine (PS); and a phosphatidylethanolamine (PE), wherein a concentration ratio of the PS relative to the PC is not less than 0.16 and not more than 0.25, and a concentration of the PS is not less than 7 ?g/mL and not more than 13 ?g/mL.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Applicant: SYSMEX CORPORATION
    Inventors: Kohei AKATSUCHI, Takahiko BANDOU, Naoki YAMAMOTO, Masako AKI