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).

  • Publication number: 20170363521
    Abstract: First and second racks each has fixed positions to hold sample tubes. First and second drawers slide into and out of the case, and that support the first and second racks, respectively. A tube set unit is provided in an area close to the first rack in the case. A tube transfer unit removes sample tubes from the first and second racks in the case and a controller that controls a transfer operation of the tube transfer unit. The first rack is supported by the first drawer such that the first rack leaves a transit location in the case behind the first drawer in the direction of the first drawer movement into the case. The controller controls the tube transfer unit to remove at least one sample tube from the second rack and transfers the tube to the tube set unit via a path traversing the transit location.
    Type: Application
    Filed: June 29, 2017
    Publication date: December 21, 2017
    Applicant: SYSMEX CORPORATION
    Inventors: Takaaki NAGAI, Daigo FUKUMA, Mitsuo YAMASAKI, Noriyuki NAKANISHI, Syunsuke YAO, Tomonori OKAZAKI, Takahiro SAINO
  • Patent number: 9816983
    Abstract: A sample analyzer comprising: a sample preparing section for preparing first and second measurement sample including reagent and sample; a first detector for detecting a predetermined component in the first measurement sample prepared by the sample preparing section; a second detector for detecting the predetermined component in the second measurement sample prepared by the sample preparing section; and a controller configured for performing operations, comprising: (a) controlling the first detector to detect the predetermined component in the first measurement sample prepared by the sample preparing section; (b) determining the reliability of the result detected by the first detector; (c) controlling the sample preparing section to prepare the second measurement sample from the same sample when the result has been determined to be unreliable; and (d) controlling the second detector to detect the predetermined component in the second measurement sample, is disclosed.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: November 14, 2017
    Assignee: SYSMEX CORPORATION
    Inventors: Daigo Fukuma, Takaaki Nagai, Masaharu Shibata
  • Patent number: 9795967
    Abstract: A sample analyzer comprises a reagent container setting part configured to install a reagent-container retainer for retaining a reagent container having an opening, an aspirating tube configured to aspirate a reagent in the reagent container, and an aspirating tube holder configured to hold the aspirating tube. The aspirating tube holder includes a cover, the cover having an open portion provided from a bottom face thereof to a side face thereof, the cover covering the aspirating tube with a region thereof other than the open portion. The aspirating tube holder includes a guide portion configured to guide the aspirating tube holder relative to the reagent-container retainer such that the aspirating tube holder is allowed to reach a state where the aspirating tube has entered the reagent container or a state where the aspirating tube has retreated from the reagent container.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: October 24, 2017
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Noriyuki Nakanishi, Mitsuo Yamasaki
  • Patent number: 9733161
    Abstract: First and second racks each has fixed positions to hold sample tubes. First and second drawers slide into and out of the case, and that support the first and second racks, respectively. A tube set unit is provided in an area close to the first rack in the case. A tube transfer unit removes sample tubes from the first and second racks in the case and a controller that controls a transfer operation of the tube transfer unit. The first rack is supported by the first drawer such that the first rack leaves a transit location in the case behind the first drawer in the direction of the first drawer movement into the case. The controller controls the tube transfer unit to remove at least one sample tube from the second rack and transfers the tube to the tube set unit via a path traversing the transit location.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: August 15, 2017
    Assignee: SYSMEX CORPORATION
    Inventors: Takaaki Nagai, Daigo Fukuma, Mitsuo Yamasaki, Noriyuki Nakanishi, Syunsuke Yao, Tomonori Okazaki, Takahiro Saino
  • Patent number: 9638610
    Abstract: Disclosed is a sample processing apparatus that comprises a rack with positions to hold sample tubes, the rack including a rack identification suited to a kind of sample tube, a rack set unit that accepts the rack in a detachable manner, a tube transfer unit with mechanical movement to grab and take out each sample tube from a rack held in the rack set unit, a rack detector comprising a sensor to detect the rack identification of the rack held in the rack set unit, and a controller that controls movement of the tube transfer unit based on a detection result of the rack detector.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: May 2, 2017
    Assignee: SYSMEX CORPORATION
    Inventors: Takaaki Nagai, Daigo Fukuma, Mitsuo Yamasaki, Noriyuki Nakanishi, Syunsuke Yao
  • Patent number: 9638709
    Abstract: This analysis apparatus includes a transporter transporting the specimens to the first measurement unit and the second measurement unit, and a control portion so controlling the transporter as to transport a first specimen container, stored in the rack, storing a first specimen to the first measurement unit and as to transport a second specimen container, stored in the rack along with the first specimen container, storing a second specimen to the second measurement unit.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: May 2, 2017
    Assignee: SYSMEX CORPORATION
    Inventors: Takaaki Nagai, Yuichi Hamada, Masaharu Shibata
  • Publication number: 20160282377
    Abstract: A blood measuring device comprises a reagent preparation unit and a measurement unit and a controller. The controller is configured to control the fluid supplying part to wash the sites least affecting the measurement results of the measurement sample using pure water, and wash the sites affecting the measurement results of the measurement sample using the reagent, when the measurement unit performs the washing operation.
    Type: Application
    Filed: March 25, 2016
    Publication date: September 29, 2016
    Inventors: Takaaki NAGAI, Akio TOYODA
  • Publication number: 20160266161
    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: May 25, 2016
    Publication date: September 15, 2016
    Applicant: SYSMEX CORPORATION
    Inventors: Takaaki Nagai, Yuichi Hamada, Nobuhiro Kitagawa
  • Patent number: 9429509
    Abstract: Particle analyzers are described that include a cell for receiving a particles-containing liquid; a light source for irradiating light onto the particles-containing liquid; a photo-detector for detecting optical information from particles in the particles-containing liquid and converting the optical information into an electric signal; a temperature sensor for detecting a temperature of the particles-containing liquid; and a signal processing section for calculating an analysis result of the particles on the basis of an output of the photo-detector and an output of the temperature sensor. Particle analysis methods are also described.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: August 30, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Takaaki Nagai, Kazuhiro Yamada, Hiroaki Tobimatsu
  • Patent number: 9417254
    Abstract: This analysis apparatus includes a plurality of a plurality of measurement units of mutually identical types generating measurement data by measuring the specimens, a transporter transporting the specimens to the respective ones of the plurality of measurement units, a display, common to the plurality of measurement units, displaying the analytical results generated by analyzing the measurement data and a transmitter transmitting the analytical results to a host computer.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: August 16, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Takaaki Nagai, Masaharu Shibata, Yuichi Hamada, Daigo Fukuma
  • Patent number: 9417253
    Abstract: A specimen processing system comprising: a specimen measuring section for measuring specimens accommodated in specimen containers; a transport section for transporting specimen containers to the specimen measuring section; a specimen container collect section for collecting specimen containers; an obtainer for obtaining shape information on specimen containers or state information on specimens accommodated in specimen containers; a supply judger configured for determining whether specimen containers are to be supplied to the specimen measuring section on the basis of the result obtained by the obtainer; and a delivery section for delivering specimen containers, which are determined to be supplied to the specimen measuring section by the supply judger, toward the transport section, and delivering specimen containers, which are determined not to be supplied to the specimen measuring section by the supply judger, toward the specimen container collect section, is disclosed.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: August 16, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Yasuo Yonekura, Yuichiro Ohmae, Tokihiro Kosaka, Takaaki Nagai
  • Patent number: 9395382
    Abstract: To provide a specimen analyzing apparatus capable of preventing a reduction in analysis accuracy caused by contamination of a measurement sample by a substance attached to a cleaning unit, the present invention provides a blood analyzer 100 which includes a cleaning unit 7 for cleaning an aspirating tube 1 positioned within a through-hole 72, a vertical moving unit 5 for moving the aspirating tube 1 along a through-hole relative to the cleaning unit 7, and a blade 8 for removing a substance attached to the outer side of the cleaning unit 7, wherein an aspirating tube 1 is provided for aspirating a sample, a through-hole 72 is formed to allow the aspirating tube 1 to pass therethrough, and a supply path 73 is formed for supplying a cleaning liquid to the through-hole 72.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: July 19, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Takahito Mihara, Takaaki Nagai
  • Patent number: 9377477
    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: Grant
    Filed: August 23, 2012
    Date of Patent: June 28, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Takaaki Nagai, Yuichi Hamada, Nobuhiro Kitagawa
  • Patent number: 9377383
    Abstract: The present invention is to present a specimen processing apparatus, comprising: an imaging device for imaging a cap of a covered specimen container containing a specimen; an aspirating device including a specimen aspirating tube, moving the specimen aspirating tube so as to pass the specimen aspirating tube through the cap of the covered specimen container and aspirating the specimen contained in the covered specimen container via the specimen aspirating tube; an aspiration controller for controlling a movement of the specimen aspirating tube into the covered specimen container based on an image obtained by the imaging device; and a specimen processing device for processing the specimen aspirated by the aspirating device.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: June 28, 2016
    Assignee: Sysmex Corporation
    Inventors: Takaaki Nagai, Tokihiro Kosaka, Yuichi Hamada
  • Patent number: 9297823
    Abstract: A specimen transporter connected to a specimen imaging apparatus, the specimen transporter including a specimen receiving section that receives a specimen plate and a specimen storage section that stores an imaged specimen plate. Specimen transporting sections transport the specimen plate from the specimen receiving section to the specimen imaging apparatus and from the specimen imaging apparatus to the specimen storage section. A control section controls operations of the specimen transporting sections to transport the specimen plate received by the specimen receiving section to the specimen imaging apparatus and transport the imaged specimen plate received from the specimen imaging apparatus to the specimen storage section.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: March 29, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Mitsuo Yamasaki, Hidetaka Hayama, Yuichiro Ohmae, Tomoyuki Asahara, Takaaki Nagai
  • Patent number: 9243993
    Abstract: A sample analyzer capable of operating in a first measuring mode for measuring a sample and a second measuring mode for measuring a sample, comprising: a sample provider for providing a sample; a common reagent provider for providing a common reagent used in the first measuring mode and the second measuring mode; a special reagent provider for providing a special reagent used in the second measuring mode; a mode selector for selecting one of the first measuring mode and the second measuring mode; a measuring section for measuring the sample; and wherein in the first measuring mode, the sample provider and the common reagent provider operate so as to make a first mode sample comprising the sample and the common reagent, and the measuring section operates so as to measure the first mode sample, and in the second measuring mode, the sample provider, the common reagent provider and the special reagent provider operate so as to make a second mode sample comprising the sample, the common reagent and the special rea
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: January 26, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Takaaki Nagai, Masaharu Shibata, Noriyoshi Yoshida, Shoichiro Asada
  • Patent number: 9233371
    Abstract: A connection device for connecting to a plurality of fluid containers that have openings, and a sample analyzer body for analyzing samples using reagent, is disclosed, which comprises: a plurality of tubular members for passing liquid, the plurality of tubular members being inserted in the fluid containers through the openings of the plurality of fluid containers; a holding member to hold the plurality of tubular members; and a plurality of cover members to be fitted to the opening of the fluid container, wherein the plurality of cover members are arranged in a predetermined positional relationship on the holding member side of the plurality of tubular members; configured with a continuously decreasing cross sectional area toward the fluid container side; and the shape of the cross section of the cover member is substantially the same as the shape of the corresponding opening of the fluid container.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: January 12, 2016
    Assignee: SYSMEX CORPORATION
    Inventors: Yoichi Nakamura, Kohei Sugitani, Takaaki Nagai
  • Patent number: 9217750
    Abstract: The present invention is to present a sample processing apparatus, comprising: a sample processing mechanism which comprises a flow channel to be used for processing a sample, and performs a sample processing operation for processing the sample using the flow channel and a cleaning operation for cleaning the flow channel; and a controller for controlling the cleaning operation by the sample processing mechanism, based on an elapsed time since a previous cleaning operation by the sample processing mechanism.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: December 22, 2015
    Assignee: SYSMEX CORPORATION
    Inventors: Masaharu Shibata, Daigo Fukuma, Takaaki Nagai
  • Patent number: 9194866
    Abstract: Each of a first measurement unit and a second measurement unit (sample analyzer) includes: a reagent storage section in which a plurality of holder parts are arranged side by side, each of the holder parts including a setting part in which a reagent container having an RFID tag attached thereto is set, and an antenna part which transmits/receives a radio wave to/from the RFID tag of the reagent container set in the setting part; and a left face part and a right face part which block a radio wave communication path between the antenna part of one of the holder parts and the RFID tag of the reagent container set in another one, of the holder parts, adjacent to the one of the holder parts.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: November 24, 2015
    Assignee: SYSMEX CORPORATION
    Inventors: Nobuhiro Kitagawa, Yuichi Hamada, Takaaki Nagai
  • Patent number: 9157925
    Abstract: A specimen transporter for transporting a specimen plate to a specimen imaging apparatus, where one side of the smearing pate is a smearing surface. The specimen transporter including a specimen transport section that transports the specimen plate to the specimen imaging apparatus. A posture changing section receives the specimen plate from the specimen imaging apparatus with the smearing surface facing upward, and changes the posture of the specimen plate so that one end side in a longitudinal direction of the received specimen plate is positioned above the other end side. A specimen inserting section inserts the specimen plate, having the changed posture, into a plate storage rack.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: October 13, 2015
    Assignee: SYSMEX CORPORATION
    Inventors: Mitsuo Yamasaki, Hidetaka Hayama, Yuichiro Ohmae, Tomoyuki Asahara, Takaaki Nagai