Patents Assigned to Sysmex Corporation
  • Publication number: 20230304978
    Abstract: Disclosed is a test soil comprising a plurality of molecules of labeled polypeptides, wherein the labeled polypeptide is a polypeptide to which a dye is added by a covalent bond, and the value of X calculated by the following formula is 100,000 or more: X = Number of dyes comprised in one molecule of labeled polyeptide × Molar absorption coefficient of dye M -1 cm -1 .
    Type: Application
    Filed: January 23, 2023
    Publication date: September 28, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Shunsuke WATANABE, Kazuya MATSUMOTO, Kanako SAKAEDA
  • Patent number: 11768213
    Abstract: A reagent container is disclosed that is installed in an analyzer for use and stores a reagent supplied to the analyzer via an aspiration tube. The reagent container includes a container body. The container body includes a tubular member with an opening into which the aspiration tube is inserted from above, and a bag-shaped member joined to the tubular member and storing the reagent. The container body comprises a penetration prevention member that prevents a tip of the aspiration tube 90 inserted through the opening from penetrating the container body.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: September 26, 2023
    Assignee: SYSMEX CORPORATION
    Inventors: Hironori Tanaka, Seiji Hamano, Masato Kuze
  • Publication number: 20230296522
    Abstract: Disclosed is a measurement apparatus for analyzing a cell contained in a specimen, comprising: a chamber for preparing a measurement sample in which the cell is stained with first and second fluorescent dyes contained in a reagent supplied from at least one reagent container; a liquid feeding section for feeding the reagent from the reagent container to the chamber via a liquid feeding tube provided between the reagent container and the chamber; and a detection section that acquires first and second signals each corresponding to fluorescence of a first wavelength and fluorescence of a second wavelength emitted from the cell stained with the first and second fluorescent dyes in response to irradiation of the measurement sample flowing in a flow cell with light; and an analysis section that analyzes the cell on the basis of the first and second signals.
    Type: Application
    Filed: March 13, 2023
    Publication date: September 21, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Toshihiro MIZUKAMI, Konobu KIMURA, Yuuichi HAMADA, Yuji TOYA, Noriyuki NAKANISHI, Takaaki NAGAI, Masato KUZE, Hironori TANAKA
  • Publication number: 20230296634
    Abstract: Disclosed is a method for measuring sterol in lipoprotein, comprising: forming a complex by contacting lipoprotein in a sample, a tagged sterol, and a first capture body that specifically binds to the tag and has a labeling substance with each other, the complex comprising the lipoprotein comprising the tagged sterol and the first capture body; and detecting a signal generated by the labeling substance comprised in the complex, wherein in the tagged sterol, the tag is added to C3 position of a sterol skeleton.
    Type: Application
    Filed: March 14, 2023
    Publication date: September 21, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Takuya KUBO, Youichi NISHIKAWA, Shinnosuke UNO, Amane HARADA, Katsuhiro MURAKAMI, Jeeeun KIM, Maria KIRIYAMA, Keiko MIWA
  • Publication number: 20230294099
    Abstract: A reagent container that stores a reagent that is aspirated by an aspiration tube installed in an analyzer according to one or more embodiments may include a bag-shaped reagent storage that stores the reagent; and a frame comprising an opening attached to the bag-shaped reagent storage. In one or more embodiments, an interior of the bag-shaped reagent storage may be sealed by inserting the aspiration tube into the opening from above in conjunction with a predetermined operation to the analyzer.
    Type: Application
    Filed: March 14, 2023
    Publication date: September 21, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Noriyuki NAKANISHI, Takaaki NAGAI, Masato KUZE, Hironori TANAKA
  • Publication number: 20230298689
    Abstract: A control method of controlling a computer to analyze, at a second facility, nucleic acid sequence data obtained, at a first facility, by a sequencer that reads a nucleic acid sequence, for a gene panel test, comprising receiving, from the first facility via a network, a sequence data set comprising a plurality of nucleic acid sequence data obtained by the sequencer corresponding to each of a plurality of library samples comprising a first library sample and a second library sample, which are prepared from a specimen of a subject, and link information indicating that the first library sample and the second library sample are prepared from the specimen of the same subject; analyzing a first sequence data and a second sequence data corresponding to each of the first library sample and the second library sample linked by the link information; and outputting analysis information based on an analysis result of the first sequence data and an analysis result of the second sequence data, is disclosed.
    Type: Application
    Filed: October 26, 2022
    Publication date: September 21, 2023
    Applicants: SYSMEX CORPORATION, RIKEN GENESIS CO., LTD.
    Inventors: Tatsuru WAKIMOTO, Yoshinori TANAKA, Takanori WASHIO
  • Publication number: 20230288426
    Abstract: Disclosed is a reagent for measuring L-biotin, comprising an optically isomeric biotin-binding site and an azobenzene derivative represented by following formula (I): wherein R1 to R10 are each independently a group selected from the group consisting of a hydrogen atom, a hydroxy group, a carboxy group, C1 to C6 dialkylamino groups having no substituent or a substituted group, C1 to C6 alkyl groups having no substituent or a substituted group, and C1 to C6 alkoxy groups having no substituent or a substituted group, provided that at least one of R1 to R5 is a hydroxy group or a C1 to C6 dialkylamino group having no substituent or a substituted group, and at least one of R6 to R10 is a carboxy group.
    Type: Application
    Filed: March 7, 2023
    Publication date: September 14, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Takuya KUBO, Masatoshi SUGANUMA, Kengo ISHIKI
  • Publication number: 20230288411
    Abstract: Disclosed is a polypeptide belonging to the avidin-streptavidin family, wherein the polypeptide comprises a D-amino acid residue in 90% or more of amino acid residues among amino acid residues other than glycine of the polypeptide, has a binding ability to L-biotin, and has substantially no binding ability to D-biotin.
    Type: Application
    Filed: April 13, 2023
    Publication date: September 14, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Masatoshi SUGANUMA, Youichi NISHIKAWA, Takuya KUBO
  • Publication number: 20230289962
    Abstract: A method of generating smear quality control information according to an embodiment may include: obtaining a plurality of image data from a plurality of smears, respectively; obtaining, from the plurality of image data, feature values each of which reflects a staining state of each smear; and generating quality control information based on the feature values.
    Type: Application
    Filed: March 6, 2023
    Publication date: September 14, 2023
    Applicant: SYSMEX CORPORATION
    Inventor: Hajimu KAWAKAMI
  • Publication number: 20230288438
    Abstract: A method of quality control of a specimen prepared from a sample according to an embodiment may include: setting, from a control index information (MII) in which a plurality of indexes for the specimen are respectively associated with control values corresponding to the plurality of indexes, at least one index to be used for quality control of the specimen; obtaining a feature value relating to the at least one index from image data of the specimen; and outputting quality control information of the specimen based on the feature value and a control value associated with the at least one index.
    Type: Application
    Filed: March 6, 2023
    Publication date: September 14, 2023
    Applicant: SYSMEX CORPORATION
    Inventor: Hajimu KAWAKAMI
  • Patent number: 11754491
    Abstract: A cartridge to be installed in a detection device for detecting light generated from a measurement sample containing a test substance is provided. The cartridge includes: a plurality of detection chambers fluidly isolated from each other and each receiving a measurement sample; and a transmission suppression unit provided between one detection chamber and another detection chamber of the plurality of detection chambers, and configured to suppress transmission of light generated from a measurement sample in the one detection chamber to the another detection chamber.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: September 12, 2023
    Assignee: SYSMEX CORPORATION
    Inventors: Kazuyoshi Horii, Kanako Nagaoka
  • Patent number: 11754580
    Abstract: A sample measurement method of performing first measurement for a blood coagulation test and second measurement for a test different from the blood coagulation test includes: dispensing a sample for use in the first measurement into a first container from a sample container; dispensing the sample for use in the second measurement into a second container different from the first container from the sample container from which the sample for use in the first measurement has been dispensed; performing the first measurement based on the sample dispensed into the first container; and performing the second measurement based on the sample dispensed into the second container.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: September 12, 2023
    Assignee: SYSMEX CORPORATION
    Inventors: Shunsuke Ariyoshi, Tsuyoshi Fukuzaki, Masaki Shiba
  • Patent number: 11754568
    Abstract: A reagent selection support apparatus for supporting selection of a reagent used for cell measurement is provided. The apparatus includes a processing unit configured to acquire order information including a first measurement item and a second measurement item different from the first measurement item, and determine a combination of a first fluorescence reagent used to measure a first target molecule corresponding to the first measurement item and a second fluorescence reagent used to measure a second target molecule corresponding to the second measurement item, based on information on a property of the first target molecule and a property of a first fluorescent stain contained in the first fluorescent reagent, and information on a property the second target molecule and a property of a second fluorescent stain contained in the second fluorescent reagent; and an output unit configured to output the determined combination of the first fluorescence reagent and the second fluorescence reagent.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: September 12, 2023
    Assignee: SYSMEX CORPORATION
    Inventor: Tomohiro Tsuji
  • Patent number: 11747350
    Abstract: A blood coagulation analyzing method according to one or more aspects may include: calculating a coagulation time based on data representing a coagulation curve of a change in an optical detection value of a blood specimen added with a reagent for starting a coagulation reaction; calculating an index value related to derivatives calculated concerning the coagulation curve represented by the data used in the calculating the coagulation time; and determining whether an early reaction error has occurred based on a comparison result obtained by comparing the index value to a predetermined threshold.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: September 5, 2023
    Assignee: SYSMEX CORPORATION
    Inventors: Hiroshi Kurono, Keiichi Yamaguchi
  • Publication number: 20230273609
    Abstract: Disclosed is a method for applying a control reference value regarding a quality control sample to a specimen analyzer by a computer, the method comprising: generating the control reference value on the basis of a measurement result of the quality control sample measured by the specimen analyzer; and applying the control reference value to the specimen analyzer.
    Type: Application
    Filed: February 21, 2023
    Publication date: August 31, 2023
    Applicant: Sysmex Corporation
    Inventors: Kei SHIRASUNA, Daigo Fukuma, Yuto Nagao, Fumiaki Hayashi, Kanako Kiso, Tomomi Kohno
  • Publication number: 20230271175
    Abstract: A specimen preparation apparatus includes a holder that holds a sample container and a centrifuge tube, a centrifugation section that centrifuges a specimen stored in the centrifuge tube, a transfer unit that transfers the centrifuge tube between the holder and the centrifugation section, and a dispenser that dispenses a sample stored in the sample container or a specimen prepared based on a sample into the centrifuge tube held in the centrifugation section. The transfer unit transfers the centrifuge tube storing a centrifuged sample or specimen to the holder.
    Type: Application
    Filed: February 27, 2023
    Publication date: August 31, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Yuto SASAKI, Keiichiro SHOHMI, Kazuyuki IGUCHI
  • Publication number: 20230273142
    Abstract: Disclosed is a reference electrode comprising: an ionic-liquid-containing membrane; and a hydrophilic membrane disposed on the ionic-liquid-containing membrane.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 31, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Junko KOJIMA, Kenichi UCHIYAMA, Sayaka HONGO
  • Publication number: 20230273206
    Abstract: A method of preparing a measurement specimen according to one or more embodiments may include removing red blood cells from a blood sample using a solid phase substance capable of binding to red blood cells and reacting the blood sample from which the red blood cell is removed with a reagent to immunostain cells. Removing red blood cells may include forming a complex comprising red blood cells and the solid phase substance; and separating the formed complex.
    Type: Application
    Filed: February 27, 2023
    Publication date: August 31, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Kazuyuki ATARASHI, Madung MARLIZA, Yuto SASAKI, Keiichiro SHOHMI, Miyu YAMAGUCHI
  • Publication number: 20230266298
    Abstract: Disclosed is a urine specimen analysis method for obtaining information about a urine particle in a urine specimen, and the urine specimen analysis method includes: obtaining count information about the number of Trichomonas vaginalis cells and first information including count information about at least one of the number of squamous epithelium cells and the number of white blood cells, based on detection data of the urine particle in the urine specimen; and outputting information about suspicion of Trichomonas infection based on at least the count information about the number of Trichomonas vaginalis cells, and the first information.
    Type: Application
    Filed: February 16, 2023
    Publication date: August 24, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Yukiko NAKAMURA, Masanori KAWANO, Kenta HAMASAKI
  • Publication number: 20230265210
    Abstract: Disclosed is a method for improving affinity of an antibody for an antigen, comprising, in an unmodified antibody, improving affinity for an antigen as compared to the unmodified antibody, by changing 74th, 76th and 77th amino acid residues of a light chain defined by Kabat method to charged amino acid residues.
    Type: Application
    Filed: March 24, 2023
    Publication date: August 24, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Shingo MAETA, Atsushi Fukunaga, Reema Bajaj