Patents by Inventor Toshihiro Ootani

Toshihiro Ootani 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).

  • Patent number: 10591709
    Abstract: A cell imaging apparatus captures images of cells contained in a liquid specimen comprising: an image capture unit including an objective lens, specimen cells each including an inner space which is capable of holding a liquid specimen and which is elongated in one direction, the specimen cells arranged such that the inner spaces are aligned in a row in a longitudinal direction of the inner spaces, a drive unit that moves at least one of: a) one or more specimen cells; and b) the objective lens; and a controller that controls the drive unit to move at least one of: a) one or more specimen cells; and b) the objective lens in the longitudinal direction and controls the image capture unit to capture images of cells contained in a liquid specimen held in the inner space of each of the specimen cells at multiple image capture positions.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: March 17, 2020
    Assignee: SYSMEX CORPORATION
    Inventors: Masakazu Fukuda, Yanyan Liu, Toshihiro Ootani
  • 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
  • Publication number: 20160291306
    Abstract: A cell imaging apparatus captures images of cells contained in a liquid specimen comprising: an image capture unit including an objective lens, specimen cells each including an inner space which is capable of holding a liquid specimen and which is elongated in one direction, the specimen cells arranged such that the inner spaces are aligned in a row in a longitudinal direction of the inner spaces, a drive unit that moves at least one of: a) one or more specimen cells; and b) the objective lens; and a controller that controls the drive unit to move at least one of: a) one or more specimen cells; and b) the objective lens in the longitudinal direction and controls the image capture unit to capture images of cells contained in a liquid specimen held in the inner space of each of the specimen cells at multiple image capture positions.
    Type: Application
    Filed: March 23, 2016
    Publication date: October 6, 2016
    Applicant: SYSMEX CORPORATION
    Inventors: Masakazu FUKUDA, Yanyan LIU, Toshihiro OOTANI
  • 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: 8921099
    Abstract: The present invention provides a cell analyzer which comprises: a cell dispersion unit which causes aggregated cells in a biological specimen to be dispersed, through a shearing force applying process of applying a shearing force to the aggregated cells and an ultrasonic dispersion process of dispersing the aggregated cells, by using ultrasonic waves; a detection unit which detects characteristics information reflecting properties of the cells in the biological specimen on which the shearing force applying process and the ultrasonic dispersion process have been performed; and an analysis unit which analyzes the cells in the biological specimen, based on a detection result from the detection unit.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: December 30, 2014
    Assignee: Sysmex Corporation
    Inventors: Toshihiro Ootani, Ryuichiro Ebi, Koki Tajima
  • 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
  • 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: 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: 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
  • 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
  • Patent number: 6772650
    Abstract: An automatic sample analyzer includes: a pipette, a pipette driving device which moves the pipette to a sample vessel present in a predetermined position to cause the pipette to suck up a sample from the sample vessel, and then moves the pipette to an open vessel provided in another predetermined position to cause the pipette to discharge the sample into the open vessel, and an analyzing section for analyzing the discharged sample, the pipette driving device comprising a vertically movable main arm and an elongated guide arm cantilevered by the main arm and extending horizontally, the guide arm having a smaller flexural rigidity than the main arm, wherein the main arm vertically moves the pipette when the sample is to be sucked up from the sample vessel, and the guide arm guides the pipette to the open vessel and then vertically moves the pipette when the sample is to be discharged into the open vessel.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: August 10, 2004
    Assignee: Sysmex Corporation
    Inventors: Yasuhiro Ohyama, Kazuyuki Sakurai, Yoichi Nakamura, Noriyoshi Yoshida, Kazutoshi Tokunaga, Kouji Kasuya, Eiji Tanoshima, Toshihiro Kubota, Takaaki Nagai, Shuhei Kaneko, Masaharu Shibata, Seido Biwa, Toshihiro Ootani
  • Publication number: 20030070498
    Abstract: An automatic sample analyzer includes: a pipette, a pipette driving device which moves the pipette to a sample vessel present in a predetermined position to cause the pipette to suck up a sample from the sample vessel, and then moves the pipette to an open vessel provided in another predetermined position to cause the pipette to discharge the sample into the open vessel, and an analyzing section for analyzing the discharged sample, the pipette driving device comprising a vertically movable main arm and an elongated guide arm cantilevered by the main arm and extending horizontally, the guide arm having a smaller flexural rigidity than the main arm, wherein the main arm vertically moves the pipette when the sample is to be sucked up from the sample vessel, and the guide arm guides the pipette to the open vessel and then vertically moves the pipette when the sample is to be discharged into the open vessel.
    Type: Application
    Filed: September 6, 2002
    Publication date: April 17, 2003
    Inventors: Yasuhiro Ohyama, Kazuyuki Sakurai, Yoichi Nakamura, Noriyoshi Yoshida, Kazutoshi Tokunaga, Kouji Kasuya, Eiji Tanoshima, Toshihiro Kubota, Takaaki Nagai, Shuhei Kaneko, Masaharu Shibata, Seido Biwa, Toshihiro Ootani