Patents by Inventor Kunio Ueno
Kunio Ueno 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: 9664669Abstract: Disclosed is a urine specimen analyzing method which improves the detection of casts in a urine specimen by flowing a measurement sample containing a urine specimen through a flow cell, irradiating light on the measurement sample flowing through the flow cell, generating a signal waveform indicating a temporal change of intensity of light given off by the measurement sample, and detecting casts distinguishably from mucus threads contained in the urine specimen, based on information related to respective slope at both end sides of the signal waveform corresponding to each formed element contained in the urine specimen.Type: GrantFiled: March 30, 2015Date of Patent: May 30, 2017Assignee: Sysmex CorporationInventors: Masatsugu Ozasa, Keisuke Tsutsumida, Kenji Hanamura, Kunio Ueno
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Publication number: 20150276592Abstract: Disclosed is a urine specimen analyzing method which improves the detection of casts in a urine specimen by flowing a measurement sample containing a urine specimen through a flow cell, irradiating light on the measurement sample flowing through the flow cell, generating a signal waveform indicating a temporal change of intensity of light given off by the measurement sample, and detecting casts distinguishably from mucus threads contained in the urine specimen, based on information related to respective slope at both end sides of the signal waveform corresponding to each formed element contained in the urine specimen.Type: ApplicationFiled: March 30, 2015Publication date: October 1, 2015Inventors: Masatsugu OZASA, Keisuke TSUTSUMIDA, Kenji HANAMURA, Kunio UENO
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Patent number: 8701508Abstract: An analyzer comprising: a first measurement unit for measuring samples; a second measurement unit; and a transportation device operable to transport a plurality of sample containers accommodated in a first rack and containing samples and a plurality of sample containers accommodated in a second rack and containing samples, to the first measurement unit and the second measurement unit, wherein the transportation device comprises a first transportation section operable to transport the plurality of sample containers on the first rack to the first measurement unit and the second measurement unit by transporting the first rack on a transport path, and a second transportation section operable to transport the plurality of sample containers on the second rack to the first measurement unit and the second measurement unit by transporting the second rack on the transport path independently from movement of the first rack, is disclosed. A transportation device is also disclosed.Type: GrantFiled: December 17, 2012Date of Patent: April 22, 2014Assignee: Sysmex CorporationInventors: Yuichi Hamada, Kunio Ueno
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Patent number: 8511888Abstract: The present invention is to present a reagent preparing apparatus for preparing a reagent for processing a sample, by using a first liquid and a second liquid, comprising: a storage unit for storing liquid; and a constant amount liquid quantifying unit comprising a constant amount holding instrument which is used in common to hold a constant amount of the first liquid and to hold a constant amount of the second liquid, the constant amount liquid quantifying unit performing an operation of transferring the constant amount of the first liquid to the storage unit and performing an operation of transferring the constant amount of the second liquid to the storing unit.Type: GrantFiled: August 18, 2009Date of Patent: August 20, 2013Assignee: Sysmex CorporationInventors: Takaaki Nagai, Masaharu Shibata, Kunio Ueno, Noriyuki Nakanishi
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Patent number: 8356525Abstract: An analyzer comprising: a first measurement unit for measuring samples; a second measurement unit; and a transportation device operable to transport a plurality of sample containers accommodated in a first rack and containing samples and a plurality of sample containers accommodated in a second rack and containing samples, to the first measurement unit and the second measurement unit, wherein the transportation device comprises a first transportation section operable to transport the plurality of sample containers on the first rack to the first measurement unit and the second measurement unit by transporting the first rack on a transport path, and a second transportation section operable to transport the plurality of sample containers on the second rack to the first measurement unit and the second measurement unit by transporting the second rack on the transport path independently from movement of the first rack, is disclosed. A transportation device is also disclosed.Type: GrantFiled: March 6, 2009Date of Patent: January 22, 2013Assignee: Sysmex CorporationInventors: Yuichi Hamada, Kunio Ueno
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Patent number: 8269952Abstract: The present invention is to present a sample analyzer capable of automatically stabilizing the laser diode in multi-mode oscillation. A sample analyzer 1 comprises: a laser diode (LD) 501d for irradiating a sample with laser light; a photodiode (PD) 501e for detecting amount of light emitted from the LD 501d; a APC circuit 501b for outputting a direct current to be supplied to the LD 501d such that the amount of light emitted from the LD 501d is maintained at a predetermined amount, based on the amount of light detected by the PD 501e; a high frequency oscillation circuit 501f for superimposing a high frequency component on the direct current outputted from the APC circuit 501b; and a high frequency automatic adjustment circuit 501c for controlling amplitude of the high frequency component outputted from the high frequency oscillation circuit 501f according to magnitude of the direct current outputted from the APC circuit 501b such that the LD 501d oscillates in a multi-mode.Type: GrantFiled: August 27, 2008Date of Patent: September 18, 2012Assignee: Sysmex CorporationInventor: Kunio Ueno
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Patent number: 8082113Abstract: A sample analysis system includes a reagent preparation unit and a measurement unit. The reagent preparation unit has: a state detector which detects at least one of a state of the reagent preparation unit and a state of the reagent preparation; and a transmission unit which transmits the detected state information to a computer arranged outside the reagent preparation unit. The computer displays the received state information on a display.Type: GrantFiled: March 2, 2010Date of Patent: December 20, 2011Assignee: Sysmex CorporationInventors: Takaaki Nagai, Masaharu Shibata, Kunio Ueno, Noriyuki Nakanishi
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Patent number: 7981662Abstract: A sample analyzer for analyzing a biological sample is disclosed that comprising: a measurement specimen preparation section for preparing a measurement specimen by using a reagent and the biological sample; a irradiator for irradiating the measurement specimen with a light; a first light receiving section for receiving a light from the measurement specimen and converting the received light into an electrical signal; a analysis section for analyzing the measurement specimen based on the electrical signal output by the first light receiving section; and a selection section for selecting an intensity of light to be irradiated by the irradiator, wherein the irradiator is configured to irradiate with a light of an intensity corresponding to the light intensity selected by the selection section.Type: GrantFiled: March 28, 2008Date of Patent: July 19, 2011Assignee: Sysmex CorporationInventors: Kunio Ueno, Seiichiro Tabata
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Patent number: 7916280Abstract: The present invention provides a blood analyzer. The blood analyzer comprises a flow cell in which a first measurement sample flows, a light source for irradiating the first measurement sample flowing in the flow cell, a PIN photodiode for detecting a side scattered light from the first measurement sample irradiated by the light source, and an avalanche photodiode for detecting a side fluorescence light from the first measurement sample irradiated by the light source. The blood analyzer also comprises a signal processing part which has a low pass filter for reducing high frequency noise included in the side fluorescent light signal. A cut-off frequency of the low pass filter is set so that the blood analyzer can classify white blood cells in the first measurement sample into at least four groups comprising neutrophils, lymphocytes, monocytes, and eosinophils, based solely on the side scattered light signal and the side fluorescent light signal.Type: GrantFiled: November 15, 2006Date of Patent: March 29, 2011Assignee: Sysmex CorporationInventors: Kunio Ueno, Yuichi Hamada
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Patent number: 7894047Abstract: A sample analyzer is provided that is capable of eliciting sufficient performance of an avalanche photodiode, and performing high-precision analysis of the sample. The sample analyzer is provided with a WBC detection section that uses the avalanche photodiode as a photoreceptor element. The WBC detection section is provided with a flow cell, semiconductor light source, side collective lens, dichroic mirror, and avalanche photodiode. The side collective lens is a lens with a high NA (numeric aperture), and an aspheric lens with a small aberration. The sample analyzer prepares a scattergram using side fluorescent light signals and side scattered light signals to classify white blood cells into five categories.Type: GrantFiled: July 24, 2009Date of Patent: February 22, 2011Assignee: Sysmex CorporationInventors: Yuichi Hamada, Kunio Ueno
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Publication number: 20100161243Abstract: A sample analysis system includes a reagent preparation unit and a measurement unit. The reagent preparation unit has: a state detector which detects at least one of a state of the reagent preparation unit and a state of the reagent preparation; and a transmission unit which transmits the detected state information to a computer arranged outside the reagent preparation unit. The computer displays the received state information on a display.Type: ApplicationFiled: March 2, 2010Publication date: June 24, 2010Inventors: Takaaki Nagai, Masaharu Shibata, Kunio Ueno, Noriyuki Nakanishi
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Publication number: 20100055772Abstract: The present invention is to present a reagent preparing apparatus for preparing a reagent for processing a sample, by using a first liquid and a second liquid, comprising: a storage unit for storing liquid; and a constant amount liquid quantifying unit comprising a constant amount holding instrument which is used in common to hold a constant amount of the first liquid and to hold a constant amount of the second liquid, the constant amount liquid quantifying unit performing an operation of transferring the constant amount of the first liquid to the storage unit and performing an operation of transferring the constant amount of the second liquid to the storing unit.Type: ApplicationFiled: August 18, 2009Publication date: March 4, 2010Inventors: Takaaki Nagai, Masaharu Shibata, Kunio Ueno, Noriyuki Nakanishi
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Publication number: 20090310122Abstract: A sample analyzer is provided that is capable of eliciting sufficient performance of an avalanche photodiode, and performing high-precision analysis of the sample. The sample analyzer is provided with a WBC detection section that uses the avalanche photodiode as a photoreceptor element. The WBC detection section is provided with a flow cell, semiconductor light source, side collective lens, dichroic mirror, and avalanche photodiode. The side collective lens is a lens with a high NA (numeric aperture), and an aspheric lens with a small aberration. The sample analyzer prepares a scattergram using side fluorescent light signals and side scattered light signals to classify white blood cells into five categories.Type: ApplicationFiled: July 24, 2009Publication date: December 17, 2009Applicant: SYSMEX CORPORATIONInventors: Yuichi Hamada, Kunio Ueno
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Publication number: 20090223311Abstract: An analyzer comprising: a first measurement unit for measuring samples; a second measurement unit; and a transportation device operable to transport a plurality of sample containers accommodated in a first rack and containing samples and a plurality of sample containers accommodated in a second rack and containing samples, to the first measurement unit and the second measurement unit, wherein the transportation device comprises a first transportation section operable to transport the plurality of sample containers on the first rack to the first measurement unit and the second measurement unit by transporting the first rack on a transport path, and a second transportation section operable to transport the plurality of sample containers on the second rack to the first measurement unit and the second measurement unit by transporting the second rack on the transport path independently from movement of the first rack, is disclosed. A transportation device is also disclosed.Type: ApplicationFiled: March 6, 2009Publication date: September 10, 2009Inventors: Yuichi Hamada, Kunio Ueno
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Patent number: 7580120Abstract: A sample analyzer is provided that is capable of eliciting sufficient performance of an avalanche photodiode, and performing high-precision analysis of the sample. The sample analyzer is provided with a WBC detection section that uses the avalanche photodiode as a photoreceptor element. The WBC detection section is provided with a flow cell, semiconductor light source, side collective lens, dichroic mirror, and avalanche photodiode. The side collective lens is a lens with a high NA (numeric aperture), and an aspheric lens with a small aberration. The sample analyzer prepares a scattergram using side fluorescent light signals and side scattered light signals to classify white blood cells into five categories.Type: GrantFiled: April 6, 2006Date of Patent: August 25, 2009Assignee: Sysmex CorporationInventors: Yuichi Hamada, Kunio Ueno
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Publication number: 20090059202Abstract: The present invention is to present a sample analyzer capable of automatically stabilizing the laser diode in multi-mode oscillation. A sample analyzer 1 comprises: a laser diode (LD) 501d for irradiating a sample with laser light; a photodiode (PD) 501e for detecting amount of light emitted from the LD 501d; a APC circuit 501b for outputting a direct current to be supplied to the LD 501d such that the amount of light emitted from the LD 501d is maintained at a predetermined amount, based on the amount of light detected by the PD 501e; a high frequency oscillation circuit 501f for superimposing a high frequency component on the direct current outputted from the APC circuit 501b; and a high frequency automatic adjustment circuit 501c for controlling amplitude of the high frequency component outputted from the high frequency oscillation circuit 501f according to magnitude of the direct current outputted from the APC circuit 501b such that the LD 501d oscillates in a multi-mode.Type: ApplicationFiled: August 27, 2008Publication date: March 5, 2009Inventor: Kunio Ueno
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Publication number: 20080241911Abstract: A sample analyzer for analyzing a biological sample is disclosed that comprising: a measurement specimen preparation section for preparing a measurement specimen by using a reagent and the biological sample; a irradiator for irradiating the measurement specimen with a light; a first light receiving section for receiving a light from the measurement specimen and converting the received light into an electrical signal; a analysis section for analyzing the measurement specimen based on the electrical signal output by the first light receiving section; and a selection section for selecting an intensity of light to be irradiated by the irradiator, wherein the irradiator is configured to irradiate with a light of an intensity corresponding to the light intensity selected by the selection section.Type: ApplicationFiled: March 28, 2008Publication date: October 2, 2008Inventors: Kunio Ueno, Seiichiro Tabata
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Publication number: 20070109530Abstract: A blood analyzer, comprising a sample preparing part; a flow cell; a light source; a scattered light detector for detecting scattered light from a measurement sample irradiated by the light source; a fluorescence light detector comprising an avalanche photo diode for detecting fluorescence light from the measurement sample irradiated by the light source; a signal processing part for processing a first detection signal from the scattered light detector and a second detection signal from the fluorescence light detector, wherein the signal processing part reduces high frequency noise included in an amplified second detection signal; and a analysis part for classifying white blood cells in the blood into groups based on the first and the second detection signals processed by the signal processing part is disclosed. A blood analyzing method is also disclosed.Type: ApplicationFiled: November 15, 2006Publication date: May 17, 2007Inventors: Kunio Ueno, Yuichi Hamada
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Publication number: 20060250604Abstract: A sample analyzer is provided that is capable of eliciting sufficient performance of an avalanche photodiode, and performing high-precision analysis of the sample. The sample analyzer is provided with a WBC detection section that uses the avalanche photodiode as a photoreceptor element. The WBC detection section is provided with a flow cell, semiconductor light source, side collective lens, dichroic mirror, and avalanche photodiode. The side collective lens is a lens with a high NA (numeric aperture), and an aspheric lens with a small aberration. The sample analyzer prepares a scattergram using side fluorescent light signals and side scattered light signals to classify white blood cells into five categories.Type: ApplicationFiled: April 6, 2006Publication date: November 9, 2006Inventors: Yuichi Hamada, Kunio Ueno
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Patent number: 6909269Abstract: A particle detector includes first and second cells, the first cell supplying a liquid containing particles to the second cell; electrodes respectively provided in the first cell and the second cell; a plurality of shafts; and clamp members engaged with the respective shafts; the first cell and the second cell being arranged in alignment with each other; the shafts extending through the first cell and the second cell along the alignment of the first cell and the second cell; the clamp members clamping the first cell and the second cell along the alignment.Type: GrantFiled: November 27, 2002Date of Patent: June 21, 2005Assignee: Sysmex CorporationInventors: Takaaki Nagai, Koichi Okubo, Kunio Ueno