Patents by Inventor Takaaki Nagai

Takaaki Nagai 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: 8652848
    Abstract: A method for analyzing blood cells in a whole blood sample obtained from a cat is provided. An electrical measurement result and an optical measurement result of the whole blood sample are acquired. The electrical measurement result is obtainable by electrically measuring blood cells in the whole blood sample and the optical measurement result is obtainable by optically measuring blood cells in the whole blood sample. On the basis of the electrical measurement result and the optical measurement result, volume of red blood cells in the whole blood sample is calculated.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: February 18, 2014
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Hideaki Matsumoto, Yuichi Hamada
  • Patent number: 8557598
    Abstract: The present invention relates to a method for measuring a blood sample comprising the steps of: communicating the inside of a sealed container with atmosphere by piercing a cap for sealing the sealed container; supplying a diluted solution from the base end side of the aspiration pipe to fill the aspiration pipe with the diluted solution; aspirating the blood sample in the sealed container; discharging the aspirated blood sample into a measurement sample preparing container; and measuring a measurement sample prepared in the measurement sample preparing container.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: October 15, 2013
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Masaharu Shibata
  • Patent number: 8551404
    Abstract: A sample analyzer for analyzing a sample comprising: a sample container receiver capable of receiving either one of a manually supplied sample container and an automatically supplied; a container holder receiver for receiving a container holder holding at least one sample container; a sample container supplier automatically for supplying, to the sample container receiver, a sample container held by the container holder received by the container holder receiver; an aspirator for aspirating a sample within a sample container received by the sample container receiver; and an analyzing part for analyzing the sample aspirated by the aspirator.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: October 8, 2013
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Mitsuo Yamasaki
  • Patent number: 8546866
    Abstract: A nonvolatile semiconductor memory device according to an exemplary embodiment of the present invention including, a first gate electrode formed above a semiconductor substrate via a first insulating film, having a projecting part which projects in upper direction with a certain width; a second gate electrode formed beside a side surface of the first gate electrode via a second insulating film; two side walls having insulation properties formed on a side surface of the second gate electrode and a side surface of the projecting part respectively; and a silicide layer formed on an upper surface of the projecting part and a part of a surface of the second gate electrode, wherein a width of the projecting part is smaller than a width of the first gate electrode below the projecting part.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: October 1, 2013
    Assignee: Renesas Electronics Corporation
    Inventor: Takaaki Nagai
  • Publication number: 20130252276
    Abstract: A sample analyzer prepares a measurement sample from a blood sample or a body fluid sample which differs from the blood sample; measures the prepared measurement sample; obtains characteristic information representing characteristics of the components in the measurement sample; sets either a blood measurement mode for measuring the blood sample, or a body fluid measurement mode for measuring the body fluid sample as an operating mode; and measures the measurement sample prepared from the blood sample by executing operations in the blood measurement mode when the blood measurement mode has been set, and measuring the measurement sample prepared from the body fluid sample by executing operations in the body fluid measurement mode that differs from the operations in the blood measurement mode when the body fluid measurement mode has been set, is disclosed. A computer program product is also disclosed.
    Type: Application
    Filed: May 10, 2013
    Publication date: September 26, 2013
    Applicant: SYSMEX CORPORATION
    Inventors: Takaaki NAGAI, Noriyuki NARISADA, Daigo FUKUMA
  • Patent number: 8511888
    Abstract: 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: Grant
    Filed: August 18, 2009
    Date of Patent: August 20, 2013
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Masaharu Shibata, Kunio Ueno, Noriyuki Nakanishi
  • Patent number: 8440140
    Abstract: A sample analyzer prepares a measurement sample from a blood sample or a body fluid sample which differs from the blood sample; measures the prepared measurement sample; obtains characteristic information representing characteristics of the components in the measurement sample; sets either a blood measurement mode for measuring the blood sample, or a body fluid measurement mode for measuring the body fluid sample as an operating mode; and measures the measurement sample prepared from the blood sample by executing operations in the blood measurement mode when the blood measurement mode has been set, and measuring the measurement sample prepared from the body fluid sample by executing operations in the body fluid measurement mode that differs from the operations in the blood measurement mode when the body fluid measurement mode has been set, is disclosed. A computer program product is also disclosed.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: May 14, 2013
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Noriyuki Narisada, Daigo Fukuma
  • Patent number: 8377774
    Abstract: A split gate-type non-volatile semiconductor memory device includes a floating gate having an acute-angled portion between a side surface and an upper surface above a semiconductor substrate; a control gate provided apart from the floating gate to oppose to the acute-angled portion; and an insulating portion provided on the floating gate. A side surface of the insulating portion on a side of the control gate is inclined to a direction apart from the control gate with respect to a vertical line to the semiconductor substrate.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: February 19, 2013
    Assignee: Renesas Electronics Corporation
    Inventor: Takaaki Nagai
  • Patent number: 8347743
    Abstract: A specimen processing device comprising: first and second units for processing specimens; a conveyance unit for conveying a specimen rack in a first direction from a first position where the specimen is retrieved by the first unit to a second position where the specimen is retrieved by the second unit, and a second direction opposite to the first position; a detector common to the first and second units for executing a detection process with respect to the sample containers; and a conveyance controller controlling the conveyance unit to convey some sample containers of the detected sample containers executed with the detection process to the first position, and to convey the other sample containers of the detected sample containers to the second position, the some sample containers and the other sample containers being held by a common rack, is disclosed. A specimen processing method is also disclosed.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: January 8, 2013
    Assignee: Sysmex Corporation
    Inventors: Yuichi Hamada, Takaaki Nagai, Masaharu Shibata
  • Publication number: 20120321513
    Abstract: An analysis device for particle analysis, configured in such a manner that a reagent container is set in the device by inserting the reagent container from a side surface of the device toward the inside thereof, the reagent container having, near the forward end thereof, a suction pipe entrance portion into which a suction pipe can enter. The analysis device is provided with: a reagent container holding portion which holds the reagent container inserted from the suction pipe entrance portion side; and the suction pipe which enters, from above, the suction pipe entrance portion of the reagent container held by the reagent container holding portion and which sucks a reagent within the reagent container. The reagent container holding portion includes a guide member for guiding the insertion of the reagent container, which is inserted from the suction pipe entrance portion side, into the reagent container holding portion.
    Type: Application
    Filed: August 23, 2012
    Publication date: December 20, 2012
    Inventors: Takaaki Nagai, Yuichi Hamada, Nobuhiro Kitagawa
  • Publication number: 20120244573
    Abstract: A method for analyzing blood cells in a whole blood sample obtained from a cat is provided. An electrical measurement result and an optical measurement result of the whole blood sample are acquired. The electrical measurement result is obtainable by electrically measuring blood cells in the whole blood sample and the optical measurement result is obtainable by optically measuring blood cells in the whole blood sample. On the basis of the electrical measurement result and the optical measurement result, volume of red blood cells in the whole blood sample is calculated.
    Type: Application
    Filed: June 5, 2012
    Publication date: September 27, 2012
    Applicant: Sysmex Corporation
    Inventors: Takaaki NAGAI, Hideaki MATSUMOTO, Yuichi HAMADA
  • Publication number: 20120195812
    Abstract: A sample analyzer for analyzing a sample comprising: a sample container receiver capable of receiving either one of a manually supplied sample container and an automatically supplied; a container holder receiver for receiving a container holder holding at least one sample container; a sample container supplier automatically for supplying, to the sample container receiver, a sample container held by the container holder received by the container holder receiver; an aspirator for aspirating a sample within a sample container received by the sample container receiver; and an analyzing part for analyzing the sample aspirated by the aspirator.
    Type: Application
    Filed: March 12, 2012
    Publication date: August 2, 2012
    Inventors: Takaaki Nagai, Mitsuo Yamasaki
  • Publication number: 20120164823
    Abstract: A split gate-type non-volatile semiconductor memory device includes a floating gate having an acute-angled portion between a side surface and an upper surface above a semiconductor substrate; a control gate provided apart from the floating gate to oppose to the acute-angled portion; and an insulating portion provided on the floating gate. A side surface of the insulating portion on a side of the control gate is inclined to a direction apart from the control gate with respect to a vertical line to the semiconductor substrate.
    Type: Application
    Filed: March 6, 2012
    Publication date: June 28, 2012
    Inventor: Takaaki NAGAI
  • Publication number: 20120164684
    Abstract: A sample measuring apparatus of measuring a component in a biological sample, comprising: an input section for inputting a sample species of a biological sample; a measurement sample preparation section for preparing a measurement sample by mixing the biological sample with a reagent; a first measurement section; a second measurement section being different from the first measurement section; a measurement sample supply section for supplying the measurement sample prepared in the measurement sample preparation section to at least one of the first measurement section and second measurement section; and a control section for controlling the measurement sample supply section based on the inputted sample species.
    Type: Application
    Filed: March 7, 2012
    Publication date: June 28, 2012
    Inventors: Takaaki NAGAI, Hideaki Matsumoto, Yuichi Hamada
  • Patent number: 8206663
    Abstract: An agitating device for agitating a blood sample in a sample container is disclosed. The agitating device includes a base comprising a horizontally-supported shaft, a container holder including a first hand and a second hand, the first hand having a first hole at one end and a first hold portion at other end, the second hand having a second hole at one end and a second hold portion at other end, the first and second holes through which the shaft is inserted, the first and second hands being rotatable relative to the shaft and the first and second hold portions faced each other, and an agitation drive unit including a contact member for contacting the container holder and a drive source for reciprocating the contact member contacting the container holder between a lower position and an upper position.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: June 26, 2012
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Mitsuo Yamasaki
  • Patent number: 8158060
    Abstract: A sample analyzer for analyzing a sample comprising: a sample container receiver capable of receiving either one of a manually supplied sample container and an automatically supplied; a container holder receiver for receiving a container holder holding at least one sample container; a sample container supplier automatically for supplying, to the sample container receiver, a sample container held by the container holder received by the container holder receiver; an aspirator for aspirating a sample within a sample container received by the sample container receiver; and an analyzing part for analyzing the sample aspirated by the aspirator.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: April 17, 2012
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Mitsuo Yamasaki
  • Patent number: 8147754
    Abstract: A sample measuring apparatus of measuring a component in a biological sample, comprising: an input section for inputting a sample species of a biological sample; a measurement sample preparation section for preparing a measurement sample by mixing the biological sample with a reagent; a first measurement section; a second measurement section being different from the first measurement section; a measurement sample supply section for supplying the measurement sample prepared in the measurement sample preparation section to at least one of the first measurement section and second measurement section; and a control section for controlling the measurement sample supply section based on the inputted sample species.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: April 3, 2012
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Hideaki Matsumoto, Yuichi Hamada
  • Patent number: 8115247
    Abstract: A non-volatile semiconductor memory device includes a floating gate formed above a semiconductor substrate; an erasing gate formed above the floating gate; a control gate formed above a channel region of a surface layer of the semiconductor substrate at a position corresponding to one lateral side of the floating gate and the erasing gate; a first diffusion layer formed on the semiconductor substrate at a position corresponding to another lateral side of the floating gate and the erasing gate; a plug formed above the first diffusion layer, the plug coupled to the first diffusion layer; and a second diffusion layer formed on the semiconductor substrate at a position adjacent to the control gate.
    Type: Grant
    Filed: August 13, 2008
    Date of Patent: February 14, 2012
    Assignee: Renesas Electronics Corporation
    Inventor: Takaaki Nagai
  • Patent number: 8082113
    Abstract: 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: Grant
    Filed: March 2, 2010
    Date of Patent: December 20, 2011
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Masaharu Shibata, Kunio Ueno, Noriyuki Nakanishi
  • Patent number: 7988914
    Abstract: 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: Grant
    Filed: February 27, 2008
    Date of Patent: August 2, 2011
    Assignee: Sysmex Corporation
    Inventors: Toshikatsu Fukuju, Takaaki Nagai, Shuhei Kaneko, Hidenari Takaoka, Noriyoshi Yoshida, Takashi Yoshida