Patents by Inventor Toshikatsu Fukuju
Toshikatsu Fukuju 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).
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Patent number: 11268954Abstract: An immunoassay apparatus may include: a sample dispenser part that dispenses a sample into a first reaction container; a reagent dispenser part that dispenses, into the first reaction container: a solid-phase reagent containing a solid-phase carrier; a labeled reagent; and a releasing reagent that releases, from the solid-phase carrier, an immune complex including a target substance and a labeled substance; a measurement part that measures a signal based on the labeled substance in the immune complex in a second reaction container; a container supply part that stores a plurality of reaction containers; a transfer part that transfers the first reaction container so that the sample dispenser part and the reagent dispenser part perform a dispensing operation to the first reaction container, and that transfers the second reaction container so that the immune complex dispended from the first reaction container is dispensed into the second container.Type: GrantFiled: April 30, 2020Date of Patent: March 8, 2022Assignee: SYSMEX CORPORATIONInventors: Toshiyuki Sato, Toshikatsu Fukuju, Shuhei Kaneko, Atsushi Aoki, Tomohiro Okuzaki, Yasuhiro Takeuchi, Yutaka Kawamoto
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Publication number: 20200256868Abstract: An immunoassay apparatus may include: a sample dispenser part that dispenses a sample into a first reaction container; a reagent dispenser part that dispenses, into the first reaction container: a solid-phase reagent containing a solid-phase carrier; a labeled reagent; and a releasing reagent that releases, from the solid-phase carrier, an immune complex including a target substance and a labeled substance; a measurement part that measures a signal based on the labeled substance in the immune complex in a second reaction container; a container supply part that stores a plurality of reaction containers; a transfer part that transfers the first reaction container so that the sample dispenser part and the reagent dispenser part perform a dispensing operation to the first reaction container, and that transfers the second reaction container so that the immune complex dispended from the first reaction container is dispensed into the second container.Type: ApplicationFiled: April 30, 2020Publication date: August 13, 2020Applicant: SYSMEX CORPORATIONInventors: Toshiyuki SATO, Toshikatsu FUKUJU, Shuhei KANEKO, Atsushi AOKI, Tomohiro OKUZAKI, Yasuhiro TAKEUCHI, Yutaka KAWAMOTO
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Patent number: 10648973Abstract: An immunoassay apparatus may include: a sample dispenser part that dispenses a sample into a first reaction container; a reagent dispenser part that dispenses, into the first reaction container,: a solid-phase reagent containing a solid-phase carrier; a labeled reagent; and a releasing reagent that releases, from the solid-phase carrier, an immune complex including a target substance and a labeled substance; a measurement part that measures a signal based on the labeled substance in the immune complex in a second reaction container; a container supply part that stores a plurality of reaction containers; a transfer part that transfers the first reaction container so that the sample dispenser part and the reagent dispenser part perform a dispensing operation to the first reaction container, and that transfers the second reaction container so that the immune complex dispended from the first reaction container is dispensed into the second container.Type: GrantFiled: September 29, 2017Date of Patent: May 12, 2020Assignee: SYSMEX CORPROATIONInventors: Toshiyuki Sato, Toshikatsu Fukuju, Shuhei Kaneko, Atsushi Aoki, Tomohiro Okuzaki, Yasuhiro Takeuchi, Yutaka Kawamoto
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Patent number: 9889443Abstract: A sample analyzer including a reagent reservoir configured to store a plurality of reagent containers; a first reagent dispenser configured to aspirate reagent of a first type from the reagent reservoir and dispense the aspirated reagent into a reaction container disposed at a first dispensing position; a second reagent dispenser configured to aspirate reagent of a second type from the reagent reservoir and dispense the aspirated reagent into a reaction container disposed at a second dispensing position; and a support member configured to support the first and the second reagent dispensers; wherein the first and the second reagent dispensers are supported by the support member so as to be movable independently of each other between each dispensing position and the reagent reservoir is disclosed. A sample analyzing method executed by a sample analyzer is also disclosed.Type: GrantFiled: March 26, 2015Date of Patent: February 13, 2018Assignee: SYSMEX CORPORATIONInventors: Toshikatsu Fukuju, Masanori Imazu, Masaki Shiba
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Publication number: 20180024128Abstract: An immunoassay apparatus may include: a sample dispenser part that dispenses a sample into a first reaction container; a reagent dispenser part that dispenses, into the first reaction container,: a solid-phase reagent containing a solid-phase carrier; a labeled reagent; and a releasing reagent that releases, from the solid-phase carrier, an immune complex including a target substance and a labeled substance; a measurement part that measures a signal based on the labeled substance in the immune complex in a second reaction container; a container supply part that stores a plurality of reaction containers; a transfer part that transfers the first reaction container so that the sample dispenser part and the reagent dispenser part perform a dispensing operation to the first reaction container, and that transfers the second reaction container so that the immune complex dispended from the first reaction container is dispensed into the second container.Type: ApplicationFiled: September 29, 2017Publication date: January 25, 2018Applicant: SYSMEX CORPORATIONInventors: Toshiyuki SATO, Toshikatsu FUKUJU, Shuhei KANEKO, Atsushi AOKI, Tomohiro OKUZAKI, Yasuhiro TAKEUCHI, Yutaka KAWAMOTO
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Patent number: 9874511Abstract: An analyzer including a housing with a mutually adjacent first side and a second side, and an annular reagent holding part disposed within the housing is disclosed. An immunoassay method for measuring antigen or antibody of a measurement object contained in a sample and performed by the analyzer is also disclosed.Type: GrantFiled: March 26, 2015Date of Patent: January 23, 2018Assignee: SYSMEX CORPORATIONInventors: Toshikatsu Fukuju, Yusuke Matsumoto
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Publication number: 20170059562Abstract: A processing mechanism unit forms an immune complex containing the test substance in the sample and a labeled substance contained in a labeled reagent on a magnetic particle contained in a solid-phase reagent. The unit liberates the immune complex from the magnetic particle with a liberating reagent. A transfer unit includes a first holder to hold a first reaction chamber, and transfers the first reaction chamber received in the first holder at a first position to a second position while magnetically collecting the magnetic particle in the first reaction chamber by a magnetic source. A dispenser aspirates a liquid phase containing the liberated immune complex in the first reaction chamber transferred to the second position, and dispenses the liquid phase into a second reaction chamber. A detector detects a signal based on a label contained in the immune complex in the liquid phase dispensed into the second reaction chamber.Type: ApplicationFiled: August 19, 2016Publication date: March 2, 2017Applicant: SYSMEX CORPORATIONInventors: Yutaka KAWAMOTO, Toshikatsu FUKUJU
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Patent number: 9581608Abstract: 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: GrantFiled: September 27, 2012Date of Patent: February 28, 2017Assignee: Sysmex CorporationInventors: Makoto Ueda, Yuji Wakamiya, Toshikatsu Fukuju, Kazunori Mototsu
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Patent number: 9228946Abstract: An analyzer comprises a dispenser which dispenses a liquid into a container, a detector which comprises a phototransmitter which emits light to the container and a photoreceiver which receives light from the phototransmitter, a moving unit which changes a relative position between the container and the detector, and a controller which determines whether an amount of the liquid in the container is within a predetermined range, based on outputs from the detector at a plurality of the relative positions.Type: GrantFiled: January 10, 2013Date of Patent: January 5, 2016Assignee: SYSMEX CORPORATIONInventors: Kazutoshi Tokunaga, Toshikatsu Fukuju, Tomoyuki Nishida, Hiroyuki Nishikawa, Keiji Tachibana
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Publication number: 20150276580Abstract: An analyzer including a housing with a mutually adjacent first side and a second side, and an annular reagent holding part disposed within the housing is disclosed. An immunoassay method for measuring antigen or antibody of a measurement object contained in a sample and performed by the analyzer is also disclosed.Type: ApplicationFiled: March 26, 2015Publication date: October 1, 2015Inventors: Toshikatsu FUKUJU, Yusuke MATSUMOTO
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Publication number: 20150273464Abstract: A sample analyzer including a reagent reservoir configured to store a plurality of reagent containers; a first reagent dispenser configured to aspirate reagent of a first type from the reagent reservoir and dispense the aspirated reagent into a reaction container disposed at a first dispensing position; a second reagent dispenser configured to aspirate reagent of a second type from the reagent reservoir and dispense the aspirated reagent into a reaction container disposed at a second dispensing position; and a support member configured to support the first and the second reagent dispensers; wherein the first and the second reagent dispensers are supported by the support member so as to be movable independently of each other between each dispensing position and the reagent reservoir is disclosed. A sample analyzing method executed by a sample analyzer is also disclosed.Type: ApplicationFiled: March 26, 2015Publication date: October 1, 2015Inventors: Toshikatsu FUKUJU, Masanori IMAZU, Masaki SHIBA
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Patent number: 8114347Abstract: 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: GrantFiled: December 20, 2006Date of Patent: February 14, 2012Assignee: Sysmex CorporationInventors: Toshihiro Ootani, Kazuya Fukuda, Kazunori Mototsu, Toshikatsu Fukuju, Masayuki Nakagawa
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Patent number: 7988914Abstract: A sample analyzer includes a liquid aspirator to be stuck into the closed container for aspirating a sample from a closed container; a preparing section for preparing an analysis sample using the aspirated sample; and an analyzing section for analyzing the prepared analysis sample; the liquid aspirator including an elongated pipe, the pipe having a liquid flow path extending therein and a plurality of communicating sections provided in an outer surface thereof, at least one of the communicating sections communicating between an inside and an outside of the container when the pipe is stuck into the container.Type: GrantFiled: February 27, 2008Date of Patent: August 2, 2011Assignee: Sysmex CorporationInventors: Toshikatsu Fukuju, Takaaki Nagai, Shuhei Kaneko, Hidenari Takaoka, Noriyoshi Yoshida, Takashi Yoshida
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Patent number: 7919044Abstract: A sample analyzer includes a liquid aspirator to be stuck into the closed container for aspirating a sample from a closed container; a preparing section for preparing an analysis sample using the aspirated sample; and an analyzing section for analyzing the prepared analysis sample; the liquid aspirator including an elongated pipe, the pipe having a liquid flow path extending therein and a plurality of communicating sections provided in an outer surface thereof, at least one of the communicating sections communicating between an inside and an outside of the container when the pipe is stuck into the container.Type: GrantFiled: October 26, 2007Date of Patent: April 5, 2011Assignee: Sysmex CorporationInventors: Toshikatsu Fukuju, Takaaki Nagai, Shuhei Kaneko, Hidenari Takaoka, Noriyoshi Yoshida, Takashi Yoshida
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Publication number: 20100316542Abstract: 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 theType: ApplicationFiled: June 11, 2010Publication date: December 16, 2010Applicant: SYSMEX CORPORATIONInventors: Kazunori MOTOTSU, Toshikatsu Fukuju, Hiroto Toyoshima
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Patent number: 7790114Abstract: 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: GrantFiled: October 9, 2007Date of Patent: September 7, 2010Assignee: Sysmex CorporationInventors: Kazuya Fukuda, Toshikatsu Fukuju, Kazunori Mototsu, Motoki Koyama, Toshihiro Ootani
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Publication number: 20080219886Abstract: A sample analyzer includes a liquid aspirator to be stuck into the closed container for aspirating a sample from a closed container; a preparing section for preparing an analysis sample using the aspirated sample; and an analyzing section for analyzing the prepared analysis sample; the liquid aspirator including an elongated pipe, the pipe having a liquid flow path extending therein and a plurality of communicating sections provided in an outer surface thereof, at least one of the communicating sections communicating between an inside and an outside of the container when the pipe is stuck into the container.Type: ApplicationFiled: February 27, 2008Publication date: September 11, 2008Inventors: Toshikatsu FUKUJU, Takaaki Nagai, Shuhei Kaneko, Hidenari Takaoka, Noriyoshi Yoshida, Takashi Yoshida
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Publication number: 20080085222Abstract: 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: ApplicationFiled: October 9, 2007Publication date: April 10, 2008Inventors: Kazuya Fukuda, Toshikatsu Fukuju, Kazunori Mototsu, Motoki Koyama, Toshihiro Ootani
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Publication number: 20080063568Abstract: A sample analyzer includes a liquid aspirator to be stuck into the closed container for aspirating a sample from a closed container; a preparing section for preparing an analysis sample using the aspirated sample; and an analyzing section for analyzing the prepared analysis sample; the liquid aspirator including an elongated pipe, the pipe having a liquid flow path extending therein and a plurality of communicating sections provided in an outer surface thereof, at least one of the communicating sections communicating between an inside and an outside of the container when the pipe is stuck into the container.Type: ApplicationFiled: October 26, 2007Publication date: March 13, 2008Inventors: Toshikatsu Fukuju, Takaaki NAGAI, Shuhei Kaneko, Hidenari Takaoka, Noriyoshi Yoshida, Takashi Yoshida
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Publication number: 20070231215Abstract: 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: ApplicationFiled: April 2, 2007Publication date: October 4, 2007Applicant: SYSMEX CORPORATIONInventors: Kazunori Mototsu, Toshikatsu Fukuju, Hiroto Toyoshima