Patents by Inventor Kazunori Mototsu

Kazunori Mototsu 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: 20220212474
    Abstract: A flow path device includes a storage chamber, an inlet, a flow path, and a projection. The storage chamber includes a ceiling surface and a bottom surface, and is capable of storing a specimen. The inlet is one through which an outside of the storage chamber and the storage chamber communicate with each other to allow the specimen to flow into the storage chamber from the outside of the storage chamber. The flow path is connected to an upper portion of the storage chamber at a location situated away from the inlet. The specimen is allowed to flow out into the flow path from the storage chamber. The projection projects toward the bottom surface of the storage chamber from the ceiling surface of the storage chamber, and is positioned between the inlet and the flow path.
    Type: Application
    Filed: April 23, 2020
    Publication date: July 7, 2022
    Inventors: Yutaka IKEDA, Kazunori MOTOTSU, Takahiro SUNADA
  • Publication number: 20210302456
    Abstract: Disclosed is a sample analysis device provided with: a first sample processing portion which is disposed in a first layer and performs some of a plurality of processes on a sample in a container; a second sample processing portion which is disposed in a second layer located above or under the first layer and performs at least some other processes among the plurality of processes on the sample in the container, the some of the plurality of processes having been performed on the sample; and a container transfer portion which transfers the container, which contains the sample on which the some of the processes have been performed, from the first layer to the second layer.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 30, 2021
    Applicant: SYSMEX CORPORATION
    Inventor: Kazunori MOTOTSU
  • Patent number: 10107829
    Abstract: The present invention is to present an analyzing method for analyzing a target substance contained in a sample using a reagent containing magnetic particles. The method comprises steps of: (a) magnetically capturing magnetic particles in a container with a first magnetic force generating member arranged on a lower side of the container accommodating a liquid specimen containing the magnetic particles; (b) transferring the container to a target substance separating section after the step (a); and (c) in the target substance separating section, discharging a cleaning liquid into the container and aspirating a liquid in the container while magnetically capturing the magnetic particles in the container with a second magnetic force generating member.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: October 23, 2018
    Assignee: Sysmex Corporation
    Inventors: Hiroto Toyoshima, Kazunori Mototsu
  • Patent number: 9594089
    Abstract: An analyzing apparatus is described, a representative one of which includes: rotatable table arranged with a plurality of holes for accommodating the reaction container which includes a specimen and a reagent; and a container transferring section, arranged on the rotatable table, for transferring the reaction container.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: March 14, 2017
    Assignee: SYSMEX CORPORATION
    Inventors: Toshihiro Ootani, Kazuya Fukuda, Kazunori Mototsu
  • Patent number: 9581608
    Abstract: A sample analyzer transports a first rack and a second rack, the first rack including a first number of supporters for supporting containers that contain biological samples of subjects, and the second rack including a second number of supporters for supporting containers that contain standard samples. The sample analyzer determines whether a transport object is the first rack or the second rack. When it has been determined that the transport object is the second rack, the sample analyzer performs a transporting operation according to the second rack and measure the standard samples in the containers supported by the second rack in a predetermined order, and prepares a calibration curve used for analyzing a measurement result of a biological sample, based on a plurality of measurement results of the standard samples.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: February 28, 2017
    Assignee: Sysmex Corporation
    Inventors: Makoto Ueda, Yuji Wakamiya, Toshikatsu Fukuju, Kazunori Mototsu
  • Patent number: 9229018
    Abstract: The present invention is to present a sample analyzer for analyzing a target substance in a sample by carrying out a target substance separating process for separating a complex containing the target substance and a magnetic particle from other substances other than the complex. The sample analyzer executes the target substance separating process with respect to a second container held by a second holder with a second nozzle while executing the target substance separating process with respect to a first container held by a first holder with a first nozzle, and completes the target substance separating process with respect to the first container with the first nozzle and completes the target substance separating process with respect to the second container with the second nozzle.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: January 5, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Hiroto Toyoshima, Kazunori Mototsu
  • Publication number: 20150198621
    Abstract: An analyzing apparatus is described, a representative one of which includes: rotatable table arranged with a plurality of holes for accommodating the reaction container which includes a specimen and a reagent; and a container transferring section, arranged on the rotatable table, for transferring the reaction container.
    Type: Application
    Filed: March 19, 2015
    Publication date: July 16, 2015
    Inventors: Toshihiro Ootani, Kazuya Fukuda, Kazunori Mototsu
  • Patent number: 8951803
    Abstract: A sample analyzer comprising: a reagent container holder, configured to rotate around a rotational axis and to hold a reagent container containing a reagent; a reagent aspirator for aspirating, at a reagent aspirating position, the reagent from the reagent container held by the reagent container holder; an analysis section for analyzing a measurement sample prepared from the reagent aspirated by the reagent aspirator and a sample; and a controller for controlling: the reagent container holder to rotate and thereby transport the reagent container to the reagent aspirating position, the reagent aspirator to aspirate the reagent from the reagent container, and the reagent container holder to accelerate and decelerate alternately while being rotated is disclosed. A sample analyzing method is also disclosed.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: February 10, 2015
    Assignee: Sysmex Corporation
    Inventors: Kazunori Mototsu, Teruyuki Uekawa
  • Patent number: 8926901
    Abstract: A sample analyzer that analyzes a sample by using a reagent contained in a reagent container is disclosed. The sample analyzer includes a container holding unit which is configured to hold a plurality of reagent containers, and a plurality of electronic tags is attached to the plurality of reagent containers, on which a reagent information regarding reagents is recorded. The sample analyzer further includes an antenna section which emits a radio wave to an electronic tag of a reagent container. A range of the radio wave emitted from the antenna section to the electronic tag is limited to a predetermined range or by a limiting member which is arranged between the antenna section and the electronic tag of the reagent container, and which is configured to limit a range of the radio wave emitted from the antenna section to the electronic tag.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: January 6, 2015
    Assignee: Sysmex Corporation
    Inventor: Kazunori Mototsu
  • Patent number: 8734719
    Abstract: A parts supply device for supplying disposable part selected from a cuvette and pipette tip, comprising: a storage section for storing a plurality of disposable parts; a sort section for sorting the disposable parts supplied from the storage section, the sort section including a push-up plate to be capable of pushing up the disposable part in the supplied parts and a wall section arranged at the downstream side of the push-up plate so as to be adjacent to the push-up plate, wherein the push-up plate is configured to vertically move along the wall section between a first position and a second position that is above the first position; and a transfer section for transferring one by one the disposable part supplied by the push-up plate over the wall section.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: May 27, 2014
    Assignee: Sysmex Corporation
    Inventors: Kazunori Mototsu, Masayuki Nakagawa
  • Patent number: 8501094
    Abstract: The present invention is to present an analyzer, comprising: a container holder for holding a liquid container, wherein the liquid container includes a container body having an opening at a top end and containing a liquid, and a cover for sealing the opening; a liquid aspirating device comprising a liquid aspirating tube for aspirating the liquid within the liquid container held by the container holder; and an opening device for opening the opening such that the liquid aspirating tube is able to be inserted into the liquid container, by conducting a first operation and a second operation, wherein the first operation releases a sealing state between the cover and the opening under a condition that the cover is covering the opening, and the second operation moves the cover to a position at which the opening is not being covered by the cover under a condition that the sealed state is being released.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: August 6, 2013
    Assignee: Sysmex Corporation
    Inventors: Kazunori Mototsu, Teruyuki Uekawa
  • Publication number: 20120282683
    Abstract: Disclosed is a sample analysis device provided with: a first sample processing portion which is disposed in a first layer and performs some of a plurality of processes on a sample in a container; a second sample processing portion which is disposed in a second layer located above or under the first layer and performs at least some other processes among the plurality of processes on the sample in the container, the some of the plurality of processes having been performed on the sample; and a container transfer portion which transfers the container, which contains the sample on which the some of the processes have been performed, from the first layer to the second layer.
    Type: Application
    Filed: July 16, 2012
    Publication date: November 8, 2012
    Inventor: Kazunori Mototsu
  • Publication number: 20120149132
    Abstract: The present invention is to present an analyzing method for analyzing a target substance contained in a sample using a reagent containing magnetic particles. The method comprises steps of: (a) magnetically capturing magnetic particles in a container with a first magnetic force generating member arranged on a lower side of the container accommodating a liquid specimen containing the magnetic particles; (b) transferring the container to a target substance separating section after the step (a); and (c) in the target substance separating section, discharging a cleaning liquid into the container and aspirating a liquid in the container while magnetically capturing the magnetic particles in the container with a second magnetic force generating member.
    Type: Application
    Filed: December 9, 2011
    Publication date: June 14, 2012
    Inventors: Hiroto Toyoshima, Kazunori Mototsu
  • Publication number: 20120149127
    Abstract: The present invention is to present a sample analyzer for analyzing a target substance in a sample by carrying out a target substance separating process for separating a complex containing the target substance and a magnetic particle from other substances other than the complex. The sample analyzer executes the target substance separating process with respect to a second container held by a second holder with a second nozzle while executing the target substance separating process with respect to a first container held by a first holder with a first nozzle, and completes the target substance separating process with respect to the first container with the first nozzle and completes the target substance separating process with respect to the second container with the second nozzle.
    Type: Application
    Filed: December 9, 2011
    Publication date: June 14, 2012
    Inventors: Hiroto Toyoshima, Kazunori Mototsu
  • Patent number: 8114347
    Abstract: A pipette chip supply device for supplying a pipette chip for suctioning liquid, the pipette chip supply device comprising: a chip accommodating section for accommodating pipette chips; a conveying section for conveying the pipette chips supplied from the chip accommodating section; and a static eliminator for removing electrification charge of the pipette chips.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: February 14, 2012
    Assignee: Sysmex Corporation
    Inventors: Toshihiro Ootani, Kazuya Fukuda, Kazunori Mototsu, Toshikatsu Fukuju, Masayuki Nakagawa
  • Publication number: 20110236259
    Abstract: A sample analyzer that analyzes a sample by using a reagent contained in a reagent container is disclosed. The sample analyzer includes a container holding unit which is configured to hold a plurality of reagent containers, and a plurality of electronic tags is attached to the plurality of reagent containers, on which a reagent information regarding reagents is recorded. The sample analyzer further includes an antenna section which emits a radio wave to an electronic tag of a reagent container. A range of the radio wave emitted from the antenna section to the electronic tag is limited to a predetermined range or by a limiting member which is arranged between the antenna section and the electronic tag of the reagent container, and which is configured to limit a range of the radio wave emitted from the antenna section to the electronic tag.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 29, 2011
    Applicant: SYSMEX CORPORATION
    Inventor: Kazunori MOTOTSU
  • Patent number: 8007722
    Abstract: An analyzer comprising: a reagent suction unit for suctioning reagent from a reagent container; an analyzing unit for analyzing an analyzing specimen comprising a sample and the reagent; a container raising and lowering unit comprising a mounting platform, wherein the container raising and lowering unit is configured to raise and lower the mounting platform; and a container holder configured to hold a plurality of reagent containers, wherein the container holder comprises a reagent container holding portion; wherein the mounting platform is configured to move a reagent container mounted thereon from a first position to a plurality of second positions, wherein the plurality of second positions comprises a position at which the reagent container is in contact with the reagent container holding portion is disclosed.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: August 30, 2011
    Assignee: Sysmex Corporation
    Inventors: Kazunori Mototsu, Tomoyuki Nishida, Toshihiro Ootani, Kazuya Fukuda, Motoki Koyama
  • Patent number: 7985376
    Abstract: A measuring unit includes a quantifying section for quantifying a sample in volume, a main channel communicating with the quantifying section, an analyzing section provided in the main channel for analyzing the quantified sample, and a pressure introduction port communicating with the main channel for introducing a pressure into the main channel to transport the sample from the quantifying section to the analyzing section, wherein the analyzing section comprises at least one of an electrical characteristic measuring section for measuring an electrical characteristic of the sample and an optical characteristic measuring section for measuring an optical characteristic of the sample.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: July 26, 2011
    Assignee: Sysmex Corporation
    Inventors: Seido Biwa, Kazunori Mototsu
  • Patent number: 7964142
    Abstract: A sample analyzer includes a loading section in which a measuring unit is removably set, the measuring unit being adapted to receive a sample; and a control section which analyzes a signal acquired from the sample received in the measuring unit set in the loading section to provide a result of analysis of the sample; wherein the control section judges whether or not the measuring unit is properly set in the loading section.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: June 21, 2011
    Assignee: Sysmex Corporation
    Inventors: Kazunori Mototsu, Seido Biwa
  • Publication number: 20110076774
    Abstract: A sample analyzer comprising: a reagent container holder, configured to rotate around a rotational axis and to hold a reagent container containing a reagent; a reagent aspirator for aspirating, at a reagent aspirating position, the reagent from the reagent container held by the reagent container holder; an analysis section for analyzing a measurement sample prepared from the reagent aspirated by the reagent aspirator and a sample; and a controller for controlling: the reagent container holder to rotate and thereby transport the reagent container to the reagent aspirating position, the reagent aspirator to aspirate the reagent from the reagent container, and the reagent container holder to accelerate and decelerate alternately while being rotated is disclosed. A sample analyzing method is also disclosed.
    Type: Application
    Filed: September 29, 2010
    Publication date: March 31, 2011
    Applicant: SYSMEX CORPORATION
    Inventors: Kazunori MOTOTSU, Teruyuki UEKAWA