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: 20100316542
    Abstract: The present invention is to present a disposable pipette tip used in a dispensing device, comprising: an attachment section for being attached to the dispensing device; and a liquid containing section for containing a liquid aspirated by the dispensing device, which is continually located to the attachment section and comprises a first part and a second part being continually located to the first part on the attachment section side, wherein the first part comprises a tip portion, an intermediate portion and a stepped portion, the tip portion including a distal end of the pipette tip, the intermediate portion continually located to the tip portion and the second part, the tip portion having an external diameter that decreases toward the distal end, and the intermediate portion having an external diameter that decreases toward the tip portion; the stepped portion is formed at a connecting position of the tip portion and the intermediate portion such that the external diameter of the intermediate portion at the
    Type: Application
    Filed: June 11, 2010
    Publication date: December 16, 2010
    Applicant: SYSMEX CORPORATION
    Inventors: Kazunori MOTOTSU, Toshikatsu Fukuju, Hiroto Toyoshima
  • Patent number: 7837940
    Abstract: An analyzer comprising: an assembly holder for holding a reagent-containing assembly comprising an opening and a lid member for opening and closing the opening; an opening-closing section for opening and closing the opening by linearly moving the lid member in a reciprocating manner to substantially horizontal directions; a reagent suctioning section for suctioning reagent by inserting a pipette into the reagent-containing assembly through the opening; and an analyzing section for analyzing an analyzing specimen comprising a sample and the reagent is disclosed. A reagent-containing assembly and reagent suctioning method are also disclosed.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: November 23, 2010
    Assignee: Sysmex Corporation
    Inventors: Kazunori Mototsu, Tomoyuki Nishida, Toshihiro Ootani, Kazuya Fukuda, Motoki Koyama
  • Patent number: 7790114
    Abstract: A reagent-containing assembly comprising: a reagent-accommodating section comprising an opening sealed by a seal member; and a seal-opening section comprising a breaking portion for breaking the seal member, and a suction hole configured to provide access to the reagent-accommodating section; wherein the reagent-accommodating section and the seal-opening section are configured for detachable engagement with each other is disclosed.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: September 7, 2010
    Assignee: Sysmex Corporation
    Inventors: Kazuya Fukuda, Toshikatsu Fukuju, Kazunori Mototsu, Motoki Koyama, Toshihiro Ootani
  • Publication number: 20100080732
    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: Application
    Filed: September 25, 2009
    Publication date: April 1, 2010
    Applicant: SYSMEX CORPORATION
    Inventors: Kazunori Mototsu, Teruyuki Uekawa
  • Publication number: 20100047128
    Abstract: The present invention is to present a liquid aspirating apparatus comprising: a liquid aspirating nozzle; an aspirator for aspirating liquid through the liquid aspirating nozzle; a washing liquid discharging nozzle being arranged along a longitudinal direction of the liquid aspirating nozzle, wherein a discharge hole for discharging washing liquid is formed on the washing liquid discharging nozzle and the discharge hole faces a side surface of the liquid aspirating nozzle; and a washing liquid supplier for supplying the washing liquid to the side surface of the liquid aspirating nozzle through the discharge hole of the washing liquid discharging nozzle.
    Type: Application
    Filed: October 27, 2009
    Publication date: February 25, 2010
    Applicant: SYSMEX CORPORATION
    Inventors: Kazunori MOTOTSU, Toshihiro Ootani, Hiroyasu Sumida
  • Publication number: 20090009757
    Abstract: The present invention is to present a cuvette that is able to prevent a liquid splash and dispersion within the cuvette. The cuvette comprises: a body which is essentially cylindrical and has an opening at an upper end; and a bottom part which has a concave inner surface and is connected to a lower end of the body, wherein the inner surface of the bottom part comprises a tapered part whose inner diameter linearly decreases toward a bottom of the cuvette.
    Type: Application
    Filed: October 5, 2007
    Publication date: January 8, 2009
    Inventors: Kazunori Mototsu, Toshihiro Ootani, Toshikuni Suganuma
  • Publication number: 20080311678
    Abstract: The present invention is to present a sample analyzer which is capable of separate and dispose of the reaction container and the reaction liquid respectively even when magnetic particles are included in a reagent. The sample analyzer 1 comprises: a detector 16 for detecting the target substance by using a cuvette 300 which contains the target substance captured by the magnetic particle; an adsorption section 183 for magnetically adsorbing the magnetic particle in the cuvette 300; a liquid aspiration section 18 for aspirating a liquid in the cuvette 300 in a state in which the magnetic particle in the cuvette 300 is magnetically adsorbed by the adsorption section 183; and a disposal section 19 for accommodating the cuvette 300.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 18, 2008
    Applicant: SYSMEX CORPORATION
    Inventors: Toshihiro OOTANI, Kazunori MOTOTSU, Miyuki MATSUE, Jun MATSUI, Hironori KATSUMI
  • Publication number: 20080095668
    Abstract: An analyzer comprising: an assembly holder for holding a reagent-containing assembly comprising an opening and a lid member for opening and closing the opening; an opening-closing section for opening and closing the opening by linearly moving the lid member in a reciprocating manner to substantially horizontal directions; a reagent suctioning section for suctioning reagent by inserting a pipette into the reagent-containing assembly through the opening; and an analyzing section for analyzing an analyzing specimen comprising a sample and the reagent is disclosed. A reagent-containing assembly and reagent suctioning method are also disclosed.
    Type: Application
    Filed: October 10, 2007
    Publication date: April 24, 2008
    Inventors: Kazunori Mototsu, Tomoyuki Nishida, Toshihiro Ootani, Kazuya Fukuda, Motoki Koyama
  • Publication number: 20080085222
    Abstract: A reagent-containing assembly comprising: a reagent-accommodating section comprising an opening sealed by a seal member; and a seal-opening section comprising a breaking portion for breaking the seal member, and a suction hole configured to provide access to the reagent-accommodating section; wherein the reagent-accommodating section and the seal-opening section are configured for detachable engagement with each other is disclosed.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 10, 2008
    Inventors: Kazuya Fukuda, Toshikatsu Fukuju, Kazunori Mototsu, Motoki Koyama, Toshihiro Ootani
  • Publication number: 20080085215
    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: Application
    Filed: October 9, 2007
    Publication date: April 10, 2008
    Inventors: Kazunori Mototsu, Tomoyuki Nishida, Toshihiro Ootani, Kazuya Fukuda, Motoki Koyama
  • Patent number: 7328889
    Abstract: A measuring unit is removably connected to a sample analyzer. The measuring unit includes a first member having a first channel through which a sample is allowed to pass, a second member having a second channel through which the sample is allowed to pass, and a partition member having a through-hole through which the sample is allowed to pass from the first channel to the second channel. The partition member includes a base having the through-hole and a projecting portion which projects from the base around the through-hole.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: February 12, 2008
    Assignee: Sysmex Corporation
    Inventor: Kazunori Mototsu
  • Publication number: 20070231215
    Abstract: The present invention is to present a disposable pipette tip that can easily prevent a tight fit with another pipette tip without providing a separating mechanism in a supplying apparatus. The disposable pipette tip comprises: an attachment section for being attached to the dispensing device; and a liquid containing section for containing a liquid aspirated by the dispensing device, which is continually located to the attachment section, has a tapered distal end and comprises a tight fit preventing part which is located adjacent to the tapered distal end and prevents a tight fit with another pipette tip.
    Type: Application
    Filed: April 2, 2007
    Publication date: October 4, 2007
    Applicant: SYSMEX CORPORATION
    Inventors: Kazunori Mototsu, Toshikatsu Fukuju, Hiroto Toyoshima
  • Publication number: 20070212260
    Abstract: A parts supply device for supplying disposable part selected from a cuvette and pipette chip, 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: Application
    Filed: March 9, 2007
    Publication date: September 13, 2007
    Inventors: Kazuya Fukuda, Toshihiro Ootani, Kazunori Mototsu, Masayuki Nakagawa
  • Publication number: 20070172390
    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: January 23, 2007
    Publication date: July 26, 2007
    Inventors: Toshihiro Ootani, Kazuya Fukuda, Kazunori Mototsu, Toshikatsu Fukuju
  • Publication number: 20070148042
    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: Application
    Filed: December 20, 2006
    Publication date: June 28, 2007
    Applicant: SYSMEX CORPORATION
    Inventors: Toshihiro Ootani, Kazuya Fukuda, Kazunori Mototsu, Toshikatsu Fukuju, Masayuki Nakagawa
  • Publication number: 20060216213
    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: Application
    Filed: May 31, 2006
    Publication date: September 28, 2006
    Inventors: Seido Biwa, Kazunori Mototsu
  • Publication number: 20050118061
    Abstract: Analyzers are disclosed that comprises an assay cartridge comprising a mixture measuring chamber for receiving a mixture of a sample and a dilution fluid, and a detector for detecting a signal from the mixture supplied from the mixture measuring chamber, the mixture measuring chamber having a predetermined capacity, and an amount of the mixture supplied to the detector being substantially equal to the capacity of the mixture measuring chamber; and an analyzing unit comprising a controller for analyzing the signal detected by the detector; wherein the assay cartridge is detachably mountable to the analyzing unit. An assay cartridges and analyzing method are also described.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 2, 2005
    Inventor: Kazunori Mototsu
  • Publication number: 20050024644
    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: Application
    Filed: June 24, 2004
    Publication date: February 3, 2005
    Inventors: Kazunori Mototsu, Seido Biwa
  • Publication number: 20040100627
    Abstract: A measuring unit is removably connected to a sample analyzer. The measuring unit includes a first member having a first channel through which a sample is allowed to pass, a second member having a second channel through which the sample is allowed to pass, and a partition member having a through-hole through which the sample is allowed to pass from the first channel to the second channel. The partition member includes a base having the through-hole and a projecting portion which projects from the base around the through-hole.
    Type: Application
    Filed: November 20, 2003
    Publication date: May 27, 2004
    Inventor: Kazunori Mototsu
  • Publication number: 20020172617
    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: Application
    Filed: May 15, 2002
    Publication date: November 21, 2002
    Inventors: Seido Biwa, Kazunori Mototsu