Patents by Inventor Takenori Okusa

Takenori Okusa 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: 11906534
    Abstract: Provided is an automated analyzer comprising a temperature regulator that can be made more compact in size while maintaining high-precision temperature regulation. In a temperature-regulating unit (20) of the automated analyzer, a first chemical reservoir (1) is constituted by a large-diameter spiral-shaped pipe, and a second chemical reservoir (2) is constituted by a large-diameter chemical reservoir container. The first chemical reservoir (1), which is positioned upstream of the second chemical reservoir (2), has an internal capacity that is set so as to be greater than the volume of a single discharge of each of syringe pumps (29, 30, 31), and the second chemical reservoir (2) also has an internal capacity (volume) that is set so as to be greater than the volume of a single discharge of each of the respective syringe pumps (29, 30, 31).
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: February 20, 2024
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Sunao Funakoshi, Takenori Okusa, Nobuyuki Isoshima, Koki Yokoyama
  • Publication number: 20240027484
    Abstract: Provided is an automatic analyzer which smoothly discards a used reaction container while preventing space restrictions. The automatic analyzer in this invention includes a housing portion which houses a used container; a hollow discarding cylinder which guides the container to the housing portion in a vertical direction; a container gripping mechanism which grips the container by moving a plurality of gripping pieces close to each other in a horizontal direction and lets the container fall by separating the plural gripping pieces from each other in the horizontal direction; and a control section which controls the container gripping mechanism. A discarding hole in the upper end of the discarding cylinder is formed by a container guide portion for guiding the container and a gripping piece separating portion forming a space for the plural gripping pieces to be separated from each other.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 25, 2024
    Inventors: Koki YOKOYAMA, Takenori OKUSA, Shugo OKABE
  • Patent number: 11860179
    Abstract: To provide a high-throughput automatic analysis apparatus at a lower cost. The automatic analysis apparatus includes an incubator which accommodates a plurality of reaction vessels; a specimen dispensing mechanism which dispenses a specimen into each of the plurality of reaction vessels; a mounting unit which mounts a dispensing tip on the specimen dispensing mechanism; a suction unit which sucks a specimen from a specimen vessel containing the specimen by means of the specimen dispensing mechanism having the dispensing mounted thereon; a discharging unit which is provided in the incubator and discharges the specimen from the specimen dispensing mechanism to the reaction vessel; a disposal unit which discards the dispensing tip; a sensor which detects whether the dispensing tip is mounted to the specimen dispensing mechanism; and a control unit which controls the specimen dispensing mechanism.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: January 2, 2024
    Assignee: Hitachi High-Tech Corporation
    Inventors: Ayaka Hashimoto, Kazunori Yamazawa, Takenorì Okusa
  • Publication number: 20230417783
    Abstract: An automatic analyzer comprises a reagent storage unit, a reaction promotion unit, and an unused container providing unit. The reaction promotion unit is between the reagent storage unit and the unused container providing unit in a left-right direction, and is on a rear side from the reagent storage unit and the unused container providing unit in a front-rear direction. In the automatic analyzer, a cover covering the reaction promotion unit is with a first fitting portion, a second fitting portion, and a third fitting portion located between the first and the second fitting portion in the left-right direction and a handle that is between the first and the second fitting portion in the left-right direction and on a rear side of the third fitting portion in the front-rear direction. The first and the second fitting portion are high in positioning functionality. The third fitting portion is low in positioning functionality.
    Type: Application
    Filed: November 8, 2021
    Publication date: December 28, 2023
    Applicant: HITACHI HIGH-TECH CORPORATION
    Inventors: Shugo Okabe, Takenori Okusa
  • Publication number: 20230408535
    Abstract: An automatic analyzer includes: an analysis unit performing analysis of a sample; a thin waste fluid tank housing a waste fluid produced by a process of analyzing the sample; an attention attraction thin waste fluid height sensor detecting that the waste fluid has reached a predetermined reference amount, the waste fluid being housed in the thin waste fluid tank; a timer unit starting counting time when the attention attraction thin waste fluid height sensor detects that the waste fluid has reached the reference amount; and a control unit controlling operation of the analysis unit. The control unit determines, when an operator instructs starting analysis, whether to permit starting analysis by the analysis unit based on whether a count result obtained by the timer unit reaches predetermined reference time. Accordingly, it is possible to operate the analyzer while workflows are easily considered and unexpected measurement stops are avoided.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 21, 2023
    Applicant: Hitachi High-Tech Corporation
    Inventors: Marina NAKAI, Shunsuke SASAKI, Takenori OKUSA, Hiroki FUJITA, Hiroyuki MISHIMA
  • Publication number: 20230408539
    Abstract: An automatic analyzer maintains accuracy of analysis of a specimen even when a liquid spills on an expendable item case. The automatic analyzer has an expendable item case which accommodates expendable items including a dispensing tip used for dispensing a specimen and a reaction cell used for reaction between the specimen and a reagent, and a conveyance portion which conveys the expendable items from the expendable item case. A body cover covers the analysis unit, the expendable item case, and the expendable item conveyance portion. The expendable item case includes a tray in which the expendable items are arrayed, and an expendable item cover which covers the tray and in which an open portion through which the expendable item conveyance portion passes is provided on a side surface thereof, and the expendable item cover includes a barrier portion protruding upward at an end on a side of the open portion.
    Type: Application
    Filed: February 12, 2021
    Publication date: December 21, 2023
    Inventors: Tomoaki IWAMATSU, Takenori OKUSA, Tsukasa SUENARI
  • Publication number: 20230341432
    Abstract: Provided is an automatic analyzer capable of washing a dispensing nozzle without vertically moving the dispensing nozzle in a washing tank. An automatic analyzer includes a dispensing nozzle which dispenses a specimen or a reagent, and a nozzle washing tank which washes the dispensing nozzle. The nozzle washing tank includes a spraying portion spraying washing water to the dispensing nozzle and an opening for taking the dispensing nozzle in and out, and the opening is provided along a track in a horizontal plane of the dispensing nozzle on a side surface of the nozzle washing tank.
    Type: Application
    Filed: February 12, 2021
    Publication date: October 26, 2023
    Inventors: Shugo OKABE, Takenori OKUSA
  • Publication number: 20230324428
    Abstract: Provided is an automatic analyzer capable of reliably closing an openable lid provided in an opening for accessing a region covered by a cover. An automatic analyzer includes an incubator cover disposed to cover a preprocessing region provided on an operation surface on a housing, an openable lid disposed to openably cover an opening portion provided in the incubator cover in order to access the inside from the outside of the preprocessing region, and a safety cover disposed to cover upper portions of the operation surface and the preprocessing region, and the openable lid is moved to a closed position in association with movement of the safety cover from an opened position to the closed position in a case where the openable lid is at the opened position and the safety cover is at the opened position.
    Type: Application
    Filed: February 5, 2021
    Publication date: October 12, 2023
    Inventors: Tsukasa SUENARI, Takenori OKUSA, Taichiro YAMASHITA
  • Publication number: 20230266349
    Abstract: To provide a reagent cooler reduced in size as compared with that in the related art by reducing a thickness of a heat insulation material of the reagent cooler, and an automated analyzer including the reagent cooler. In the reagent cooler of the automated analyzer, a vacuum heat insulation material is disposed in a periphery (on a side surface, or/and upper and lower portions) of a cooling jacket of the reagent cooler. Then, an end portion of the vacuum heat insulation material is disposed at a position shifted from upper and lower end portions and a side surface end portion of the cooling jacket and a distance between the end portion of the vacuum heat insulation material and the cooling jacket is taken as much as possible.
    Type: Application
    Filed: February 18, 2021
    Publication date: August 24, 2023
    Inventors: Sunao FUNAKOSHI, Takenori OKUSA, Nobuyuki ISOSHIMA, Koki YOKOYAMA
  • Publication number: 20230258675
    Abstract: An opening and closing lid device includes: an opening and closing lid that covers and freely opens or closes an opening portion that covers a first region including a pretreatment device; a support arm that connects the opening and closing lid and a support shaft in the first region, and is rotatably supported by the support shaft; and an opening holding mechanism that holds the support arm so as to hold the opening and closing lid in a fully opened position when a tip end of the opening and closing lid is at a position higher than a predetermined reference height, and releases holding of the support arm so that the opening and closing lid moves to the fully closed position due to own weight when the tip end of the opening and closing lid is at a position lower than the reference height.
    Type: Application
    Filed: February 18, 2021
    Publication date: August 17, 2023
    Applicant: Hitachi High-Tech Corporation
    Inventors: Taichiro YAMASHITA, Takenori OKUSA, Tsukasa SUENARI
  • Patent number: 11686741
    Abstract: The object of the invention is to realize an automatic analyzer capable of suppressing an increase in cost without greatly changing the configuration even when the configuration of an inspection system is changed, and reducing burden of an operator. A pin to be fitted into a hole formed in a specimen container conveying unit is formed on a specimen container conveying unit mounting surface at a position below a specimen suction position, and it is possible to make relative positions between components of a specimen dispensing unit and the specimen container conveying unit at the time of a specimen dispensing operation, as well as driving conditions when moving each axis of the specimen dispensing unit identical even when the types of the specimen container conveying unit are different, and it is possible to ensure stability of the same specimen dispensing operation before and after changing the specimen container conveying unit.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: June 27, 2023
    Assignee: Hitachi High-Tech Corporation
    Inventors: Takenori Okusa, Susumu Sakairi
  • Publication number: 20230095937
    Abstract: To provide a high-throughput automatic analysis apparatus at a lower cost. The automatic analysis apparatus includes an incubator which accommodates a plurality of reaction vessels; a specimen dispensing mechanism which dispenses a specimen into each of the plurality of reaction vessels; a mounting unit which mounts a dispensing tip on the specimen dispensing mechanism; a suction unit which sucks a specimen from a specimen vessel containing the specimen by means of the specimen dispensing mechanism having the dispensing mounted thereon; a discharging unit which is provided in the incubator and discharges the specimen from the specimen dispensing mechanism to the reaction vessel; a disposal unit which discards the dispensing tip; a sensor which detects whether the dispensing tip is mounted to the specimen dispensing mechanism; and a control unit which controls the specimen dispensing mechanism.
    Type: Application
    Filed: December 6, 2022
    Publication date: March 30, 2023
    Inventors: Ayaka Hashimoto, Kazunori Yamazawa, Takenori Okusa
  • Publication number: 20230102788
    Abstract: Provided is an automatic analysis device that can suppress the occurrence of condensation in a reagent cool box and can immediately drain the condensation water generated by introducing outside air. In an automatic analysis device including a reagent cool box that stores a plurality of reagent vessels while keeping the reagent vessels cool, the reagent cool box includes a drain for discharging the condensation water generated inside the reagent cool box, and an outside air introduction path that guides air outside the reagent cool box to the inside, wherein the outside air introduction path is provided along a bottom surface of the reagent cool box, and an outside air discharge port is formed toward an upper opening unit of the drain.
    Type: Application
    Filed: February 19, 2021
    Publication date: March 30, 2023
    Applicant: HITACHI HIGH-TECH CORPORATION
    Inventors: Koki YOKOYAMA, Takenori OKUSA, Nobuyuki ISOSHIMA
  • Publication number: 20230067353
    Abstract: The purpose of this invention is to provide an automated analyzer that is capable of photographing operations at a plurality of processing units while suppressing manufacturing cost growth. This automated analyzer comprises a plurality of processing units for carrying out operations related to analysis, a plurality of measurement instrument mounting parts that are disposed in each of the plurality of processing units and upon which a measuring instrument for measuring the operations of the plurality of processing units can be mounted, and a control unit for controlling the plurality of processing units. The plurality of measurement instrument mounting parts are configured such that the measuring instrument can be removed from each of the measurement instrument mounting parts and such that after being removed from one measurement instrument mounting part, the measuring instrument can be mounted on another measurement instrument mounting part.
    Type: Application
    Filed: December 9, 2020
    Publication date: March 2, 2023
    Inventors: Yuki YOKOTA, Shunsuke SASAKI, Kenta IMAI, Takenori OKUSA
  • Patent number: 11555824
    Abstract: To provide a high-throughput automatic analysis apparatus at a lower cost. The automatic analysis apparatus includes an incubator which accommodates a plurality of reaction vessels; a specimen dispensing mechanism which dispenses a specimen into each of the plurality of reaction vessels; a mounting unit which mounts a dispensing tip on the specimen dispensing mechanism; a suction unit which sucks a specimen from a specimen vessel containing the specimen by means of the specimen dispensing mechanism having the dispensing mounted thereon; a discharging unit which is provided in the incubator and discharges the specimen from the specimen dispensing mechanism to the reaction vessel; a disposal unit which discards the dispensing tip; a sensor which detects whether the dispensing tip is mounted to the specimen dispensing mechanism; and a control unit which controls the specimen dispensing mechanism.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: January 17, 2023
    Assignee: Hitachi High-Tech Corporation
    Inventors: Ayaka Hashimoto, Kazunori Yamazawa, Takenori Okusa
  • Publication number: 20220404382
    Abstract: Provided is an automatic analyzer that reduces a risk of damage due to contact with a stirring paddle during maintenance and the like, and realizes miniaturization and simplification. A cleaning tank 181 configured to clean the stirring paddle, a standby position 182 configured to make the stirring paddle which is juxtaposed to the cleaning tank wait, and an inflow port 183 configured to flow cleaning water into the cleaning tank are provided, and the standby position 182 is arranged so that the cleaning water overflowing from the cleaning tank 181 overflows 194 to the standby position 182.
    Type: Application
    Filed: October 19, 2020
    Publication date: December 22, 2022
    Inventors: Tomoaki IWAMATSU, Takenori OKUSA, Tsukasa SUENARI
  • Patent number: 11525837
    Abstract: An object is to provide an automatic analyzer that prevents an effect of various environmental changes on an equilibrium state of an immunological binding reaction. An automatic analyzer of an embodiment of the invention includes a B/F separation unit that executes a B/F separation step separating an unreacted component and a reacted component from a liquid in which a sample and a reagent are reacted, a detection unit that detects a reacted component in the liquid after the B/F separation step, and a temperature maintaining unit that maintains the B/F separation unit and the detection unit in substantially the same temperature environment.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: December 13, 2022
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Yoshihiro Yamashita, Takenori Okusa, Shunsuke Sasaki
  • Patent number: 11486890
    Abstract: To provide an automated analyzer capable of shortening analysis time. The automated analyzer includes a vessel which contains a mixed solution of a specimen and a reagent; and a control unit which controls a first operation performed on the vessel, a second operation performed on the vessel after the first operation, and a third operation performed on a predetermined mechanism of the automated analyzer before the second operation, in which the control unit performs the first operation and the third operation in parallel. Alternatively, the automated analyzer includes a control unit which controls a first operation performed on the vessel, a second operation performed on the vessel after the first operation, and a third operation performed on a predetermined mechanism of the automated analyzer after the first operation, in which the control unit performs the second operation and the third operation in parallel.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: November 1, 2022
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Kenta Imai, Shunsuke Sasaki, Hiroya Umeki, Tatsuki Takakura, Takenori Okusa, Hiroki Fujita, Taku Sakazume
  • Patent number: 11474119
    Abstract: There is provided an automatic analysis device that can appropriately sort and discard expendable items. The automatic analysis device includes a common transport mechanism that transports a plurality of types of expendable items by common mechanism, a plurality of transport paths that is provided separately from the common transport mechanism, a type determination portion that determines the type of expendable item being transported by the common transport mechanism. The automatic analysis device controls to select one of a plurality of transport paths according to a determination result of the type determination portion and to transport the expendable items transported from the common transport mechanism via the selected transport path.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: October 18, 2022
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Takahiro Kumagai, Takenori Okusa
  • Patent number: 11446668
    Abstract: An automatic analysis device which can be accessed from a front surface of the device to a rear surface side of the device when a user accesses the automatic analysis device and reduce the risk of damage to a rod-shaped member due to contact. A reagent suction position, a reagent discharge position, a reagent dispensing nozzle cleaning portion, and a reagent dispensing mechanism retraction portion from which the reagent dispensing mechanism is retracted are disposed on a trajectory of an arm of the reagent dispensing mechanism. A nozzle guide accommodation portion accommodates a nozzle guide of a reagent dispensing mechanism and the reagent dispensing nozzle. The reagent dispensing mechanism retraction portion is a cylindrical member protruding downward from an upper surface cover of the automatic analysis device and prevents direct contact with the reagent dispensing nozzle by positioning the reagent dispensing nozzle in the nozzle accommodation portion.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: September 20, 2022
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Shunsuke Sasaki, Takenori Okusa