Patents by Inventor Ryuji Tao

Ryuji Tao 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: 10294519
    Abstract: A convenient method for nucleic acid analysis is provided, which enables 1000 or more types of nucleic acid to be analyzed collectively with high comprehensiveness and with a dynamic range of at least four digits. In particular, provided is a very effective analytical method especially for untranslated RNAs and microRNAs, of which the types of target nucleic acids is 10000 or lower. Nucleic acids can be analyzed conveniently and rapidly with high comprehensiveness and quantitative performance at single-molecule sensitivity and resolution by following the steps of: preparing a group of target nucleic acid fragments one molecule at a time and hybridizing the nucleic acid molecules, which have known base sequences and have been labeled with the fluorescence substances, with the group of the target nucleic acid fragments to detect the fluorescence substances labeling the hybridized nucleic acid molecules.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: May 21, 2019
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Toshiro Saito, Koshin Hamasaki, Satoshi Takahashi, Muneo Maeshima, Kyoko Imai, Kazumichi Imai, Ryuji Tao
  • Patent number: 9822399
    Abstract: The method for analyzing biomolecules, includes the steps of: immobilizing biomolecules to be analyzed on surfaces of magnetic microparticles; reacting labeled probe molecules with the biomolecules to be analyzed; collecting and immobilizing the microparticles on a support substrate; and measuring a label on the support substrate. Since single-molecule immobilized magnetic microparticles are used in the present invention, the number of biomolecules can be counted, and since hybridization and an antigen-antibody reaction are performed with the microparticles having biomolecules immobilized thereon dispersed, the reaction can be rapidly performed. Further, the type and the abundance of biomolecules of interest can be determined at a single molecular level, so as to evaluate, in particular, the absolute concentration of biomolecules.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: November 21, 2017
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Toshiro Saito, Koshin Hamasaki, Satoshi Takahashi, Muneo Maeshima, Kyoko Imai, Kazumichi Imai, Ryuji Tao
  • Publication number: 20140295430
    Abstract: The method for analyzing biomolecules, includes the steps of: immobilizing biomolecules to be analyzed on surfaces of magnetic microparticles; reacting labeled probe molecules with the biomolecules to be analyzed; collecting and immobilizing the microparticles on a support substrate; and measuring a label on the support substrate. Since single-molecule immobilized magnetic microparticles are used in the present invention, the number of biomolecules can be counted, and since hybridization and an antigen-antibody reaction are performed with the microparticles having biomolecules immobilized thereon dispersed, the reaction can be rapidly performed. Further, the type and the abundance of biomolecules of interest can be determined at a single molecular level, so as to evaluate, in particular, the absolute concentration of biomolecules.
    Type: Application
    Filed: October 4, 2012
    Publication date: October 2, 2014
    Inventors: Toshiro Saito, Koshin Hamasaki, Satoshi Takahashi, Muneo Maeshima, Kyoko Imai, Kazumichi Imai, Ryuji Tao
  • Publication number: 20140200162
    Abstract: A convenient method for nucleic acid analysis is provided, which enables 1000 or more types of nucleic acid to be analyzed collectively with high comprehensiveness and with a dynamic range of at least four digits. In particular, provided is a very effective analytical method especially for untranslated RNAs and microRNAs, of which the types of target nucleic acids is 10000 or lower. Nucleic acids can be analyzed conveniently and rapidly with high comprehensiveness and quantitative performance at single-molecule sensitivity and resolution by following the steps of: preparing a group of target nucleic acid fragments one molecule at a time and hybridizing the nucleic acid molecules, which have known base sequences and have been labeled with the fluorescence substances, with the group of the target nucleic acid fragments to detect the fluorescence substances labeling the hybridized nucleic acid molecules.
    Type: Application
    Filed: May 16, 2012
    Publication date: July 17, 2014
    Applicant: HITACHI HIGH TECHNOLOGIES CORPORATION
    Inventors: Toshiro Saito, Koshin Hamasaki, Satoshi Takahashi, Muneo Maeshima, Kyoko Imai, Kazumichi Imai, Ryuji Tao
  • Patent number: 8632725
    Abstract: An automatic analyzer according to the present invention is compact, mounting great number of reagents, having high processing ability. Reagent disks are arranged at inside and outside of a reaction disk. A reagent probe can inject a reagent into the position which is common position of both reagent disks. One of plural reagent probes approaches to one of reagent disks at one cycle. Plural reagent probes alternatively approach to the reagent disk. Therefore, the first reagents and the second reagents can be placed on both reagent disks. The mounting number of reagents can be increased without enlarging an analyzer. The cycle time can be shortened to make an automatic analyzer to have high processing ability.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: January 21, 2014
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Isao Yamazaki, Ryuji Tao, Katsuaki Takahashi
  • Publication number: 20130287629
    Abstract: An automatic analyzer according to the present invention is compact, mounting great number of reagents, having high processing ability. Reagent disks are arranged at inside and outside of a reaction disk. A reagent probe can inject a reagent into the position which is common position of both reagent disks. One of plural reagent probes approaches to one of reagent disks at one cycle. Plural reagent probes alternatively approach to the reagent disk. Therefore, the first reagents and the second reagents can be placed on both reagent disks. The mounting number of reagents can be increased without enlarging an analyzer. The cycle time can be shortened to make an automatic analyzer to have high processing ability.
    Type: Application
    Filed: June 26, 2013
    Publication date: October 31, 2013
    Inventors: Isao Yamazaki, Ryuji Tao, Katsuaki Takahashi
  • Patent number: 8496877
    Abstract: An automatic analyzer according to the present invention is compact, mounting great number of reagents, having high processing ability. Reagent disks are arranged at inside and outside of a reaction disk. A reagent probe can inject a reagent into the position which is common position of both reagent disks. One of plural reagent probes approaches to one of reagent disks at one cycle. Plural reagent probes alternatively approach to the reagent disk. Therefore, the first reagents and the second reagents can be placed on both reagent disks. The mounting number of reagents can be increased without enlarging an analyzer. The cycle time can be shortened to make an automatic analyzer to have high processing ability.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: July 30, 2013
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Isao Yamazaki, Ryuji Tao, Katsuaki Takahashi
  • Publication number: 20120258012
    Abstract: An automatic analyzer according to the present invention is compact, mounting great number of reagents, having high processing ability. Reagent disks are arranged at inside and outside of a reaction disk. A reagent probe can inject a reagent into the position which is common position of both reagent disks. One of plural reagent probes approaches to one of reagent disks at one cycle. Plural reagent probes alternatively approach to the reagent disk. Therefore, the first reagents and the second reagents can be placed on both reagent disks. The mounting number of reagents can be increased without enlarging an analyzer. The cycle time can be shortened to make an automatic analyzer to have high processing ability.
    Type: Application
    Filed: June 21, 2012
    Publication date: October 11, 2012
    Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Isao Yamazaki, Ryuji Tao, Katsuaki Takahashi
  • Patent number: 7105351
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: September 12, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Publication number: 20060183244
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Application
    Filed: April 5, 2006
    Publication date: August 17, 2006
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Publication number: 20060177941
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Application
    Filed: March 28, 2006
    Publication date: August 10, 2006
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Publication number: 20060177942
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Application
    Filed: March 28, 2006
    Publication date: August 10, 2006
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Publication number: 20060165562
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Application
    Filed: March 28, 2006
    Publication date: July 27, 2006
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Publication number: 20050287039
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Application
    Filed: September 6, 2005
    Publication date: December 29, 2005
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Patent number: 6924152
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: August 2, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Patent number: 6752960
    Abstract: An automatic analysis apparatus, in which analysis results of immunoassay analysis items are not influenced by carry-overs between samples even when the same sample container is conveyed both to a biochemical analysis unit and an immunoassay analysis unit to permit sample dispensing. The immunoassay and biochemical analysis units are arranged along a rack conveyor. A carry-over avoidance level is set on a screen every analysis item before start of an analyzing operation. When a sample given an instruction to analyze only analysis items having low carry-over avoidance levels is to be dispensed in the biochemical analysis unit, a dispenser nozzle is subjected to ordinary cleaning by water. When a sample given an instruction to analyze analysis items having high carry-over avoidance levels is to be dispensed in the biochemical analysis unit, a dispenser nozzle is cleaned with a detergent solution and water.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: June 22, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Publication number: 20040105783
    Abstract: An automatic analyzer according to the present invention is compact, mounting great number of reagents, having high processing ability. Reagent disks are arranged at inside and outside of a reaction disk. A reagent probe can inject a reagent into the position which is common position of both reagent disks. One of plural reagent probes approaches to one of reagent disks at one cycle. Plural reagent probes alternatively approach to the reagent disk. Therefore, the first reagents and the second reagents can be placed on both reagent disks. The mounting number of reagents can be increased without enlarging an analyzer. The cycle time can be shortened to make an automatic analyzer to have high processing ability.
    Type: Application
    Filed: July 8, 2003
    Publication date: June 3, 2004
    Inventors: Isao Yamazaki, Ryuji Tao, Katsuaki Takahashi
  • Patent number: 6579717
    Abstract: A method for handling specific sample solutions for calibration and quality control by an automatic analytical apparatus in which a sample rack to hold calibrator bottles for required analysis items is set on a rack supply unit by an operator. Identification information of all calibrator bottles on the rack is read out, and data on corresponding calibrator samples are also stored. The operator enters analysis items to be measured, and a measuring channel to be used for calibration. Comparison is made between the planned number of requested calibrations and the number of permissible services to determine whether or not calibrator solution is sufficient. If it is determined to be insufficient, the required number of bottles are displayed according to the difference between the number of permissible services and the number of requests, thereby allowing the operator to add the required number of calibrator bottles.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: June 17, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Publication number: 20020110917
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Application
    Filed: March 25, 2002
    Publication date: August 15, 2002
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
  • Publication number: 20020106814
    Abstract: Sample sampling to an analysis apparatus 200 or 820 for analyzing a biochemical analysis item is performed by a pipetting device 202 or 840 which uses a repetitively used pipette nozzle, and sample sampling to an analysis apparatus 100 or 810 for analyzing an immune analysis item is performed by a pipetting device 102 or 830 which uses a disposable nozzle tip. A sample bottle containing a sample to be analyzed on both of a biochemical analysis item and an immune analysis item is sample-pipetted by the nozzle tip first, and then transported so as to be sample-pipetted by the pipette nozzle.
    Type: Application
    Filed: March 25, 2002
    Publication date: August 8, 2002
    Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao