Patents by Inventor Takahiro Kumagai
Takahiro Kumagai 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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Publication number: 20240102957Abstract: In an electrochemical gas sensor (10), a first sensing element (21) is stored in a first storage portion (31). A moisture permeable film (24) is disposed in a first introduction inlet (31A) of the first storage portion (31). The moisture permeable film (24) substantially prevents a to-be-detected gas from permeating therethrough. A second sensing element (22) is disposed in a space into which water vapor and the to-be-detected gas contained in a target gas flow. In such a configuration, the electrochemical gas sensor (10) is capable of detecting a to-be-detected gas having a concentration of 0 or more and 1 ppm or less.Type: ApplicationFiled: March 8, 2022Publication date: March 28, 2024Inventors: Shinichiro KITO, Masayuki SEGAWA, Takahiro YOKOYAMA, Junya IMAIZUMI, Yuki MIZUTANI, Masahiro TANAKA, Yoshiko KUMAGAI
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Patent number: 11933804Abstract: In a case where a dispensing tip is imaged from below, liquid attached to the tip falls downward and contaminates an imaging mechanism. An automatic analyzer includes: a buffer that has a hole for holding a tip for dispensing, the hole passing through the tip; a probe for dispensing having a tip to which the tip is attached; an imaging unit that images the tip; and a controller that controls the tip such that the tip is mounted on the probe by pressing the probe against the tip that passes through the hole to be held by the buffer, in which the imaging unit is disposed to image the tip from an upper side to a lower side in a gravity direction.Type: GrantFiled: May 29, 2019Date of Patent: March 19, 2024Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Takahiro Kumagai, Kazuhiro Noda, Yukinori Sakashita
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Patent number: 11885824Abstract: An automatic analyzer keeps the inside of a reagent cooler that stores a reagent vessel clean. The automatic analyzer includes: a reagent cooler that stores a reagent vessel containing a reagent to be reacted with a sample at a predetermined temperature. A reagent vessel replacement unit includes an opening configured to put the reagent vessel into and take the regent vessel out of the reagent cooler, wherein the opening is opened and closed to replace the reagent vessel. A positive pressure unit positively pressurizes the inside of the reagent cooler with respect to a periphery of the reagent cooler when the opening is opened.Type: GrantFiled: February 4, 2020Date of Patent: January 30, 2024Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Takahiro Kumagai, Kazuhiro Noda, Nobuya Fukuda
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Publication number: 20230288439Abstract: There is provided an electrolyte analyzer that can appropriately replace consumable items while more exerting analysis processing performances than a conventional electrolyte analyzer does. An electrolyte analyzer includes a plurality of analysis chambers 50 having ISE electrodes 1 configured to measure the concentration of the electrolyte of a sample and a controller 29 configured to control operations in the electrolyte analyzer 100 including the analysis chambers 50. The ISE electrodes 1 of the plurality of analysis chambers 50 analyze the same analysis items. The controller 29 selects an analysis chamber 50 used for measurement from the plurality of analysis chambers 50 corresponding to the remaining measurable numbers of a plurality of ISE electrodes 1 and measurement request status.Type: ApplicationFiled: March 11, 2021Publication date: September 14, 2023Inventors: Takushi MIYAKAWA, Ryota WATANABE, Yuichi IWASE, Takahiro KUMAGAI, Masafumi MIYAKE
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Publication number: 20230251279Abstract: An object of the present invention is to provide an automatic analyzer that can decrease the frequency of cleaning as compared to the past by suppressing breeding of bacteria and the like in a buffer tank as compared to the past and can reduce maintenance work time of an operator.Type: ApplicationFiled: March 11, 2021Publication date: August 10, 2023Inventors: Takahiro KUMAGAI, Yoichiro SUZUKI, Syotaro SAGAWA, Takushi MIYAKAWA
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Publication number: 20230160408Abstract: A joint structure increases fastening force between a first member and a second member while preventing peeling of an anti-rust coating film of the first member. The joint structure includes the first member in which the anti-rust coating film is formed by electrodeposition on a surface of a metallic base material; the second member that contacts the first member; and fastening members that fasten the first and second members together. Plural convex portions, each having a height less than a thickness of the electrodeposition coating film, are disposed in at least a part of a surface of the second member that contacts the first member. The first member and the second member are fastened by the fastening members such that the electrodeposition coating film of the first member and the convex portions mesh with each other without the base material of the first member contacting the convex portions.Type: ApplicationFiled: October 31, 2022Publication date: May 25, 2023Applicant: MAZDA MOTOR CORPORATIONInventors: Naohiko FUKUDA, Takahiro KUMAGAI, Koji MIYAMOTO, Hiroki KIMURA
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Publication number: 20230044702Abstract: Provided is an electrolyte analysis apparatus capable of diluting and preparing a reagent with higher accuracy with a simpler device configuration, comprising a first flow path configured to send a high-concentration reagent from a high-concentration reagent bottle, a second flow path configured to send a reagent diluent from a reagent diluent bottle that stores the reagent diluent for diluting the high-concentration reagent, a junction unit configured to join the first flow path and the second flow path, a third flow path configured to send a mixed liquid, a dilution tank configured to store the prepared reagent, a prepared reagent discharge nozzle configured to discharge the prepared reagent, a liquid sending mechanism configured to send the reagent and the reagent diluent to the junction unit at a predetermined ratio so that the prepared reagent has a predetermined concentration, and an analysis unit configured to perform analysis with the prepared reagent.Type: ApplicationFiled: December 3, 2020Publication date: February 9, 2023Applicant: HITACHI HIGH-TECH CORPORATIONInventors: Yuichi Iwase, Takushi Miyakawa, Takahiro Kumagai, Haruyoshi Yamamoto, Tetsuji Kawahara
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Publication number: 20230032886Abstract: An electrolyte analysis apparatus measures the concentration of a specific ion in a specimen based on the result of measuring a reagent having a predetermined ion concentration by an ion selective electrode and the result of measuring the specimen by the ion selective electrode. The electrolyte analysis apparatus includes a reagent unit for diluting and restoring a concentrated internal standard solution having a concentration higher than a predetermined ion concentration with pure water to generate a reagent having the predetermined ion concentration, and a mechanism, in which the reagent generation unit generates the reagent such that the absolute value of the temperature difference between the reagent obtained by the dilution and restoration, and the pure water is smaller than the absolute value of the temperature difference between the reagent obtained by the dilution and restoration, and the reagent stock solution.Type: ApplicationFiled: December 3, 2020Publication date: February 2, 2023Inventors: Takahiro KUMAGAI, Takushi MIYAKAWA, Yuichi IWASE, Haruyoshi YAMAMOTO, Tetsuji KAWAHARA
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Patent number: 11474119Abstract: 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: GrantFiled: March 30, 2018Date of Patent: October 18, 2022Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Takahiro Kumagai, Takenori Okusa
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Publication number: 20220146543Abstract: An automatic analyzer keeps the inside of a reagent cooler that stores a reagent vessel clean. The automatic analyzer includes: a reagent cooler that stores a reagent vessel containing a reagent to be reacted with a sample at a predetermined temperature. A reagent vessel replacement unit includes an opening configured to put the reagent vessel into and take the regent vessel out of the reagent cooler, wherein the opening is opened and closed to replace the reagent vessel. A positive pressure unit positively pressurizes the inside of the reagent cooler with respect to a periphery of the reagent cooler when the opening is opened.Type: ApplicationFiled: February 4, 2020Publication date: May 12, 2022Inventors: Takahiro KUMAGAI, Kazuhiro NODA, Nobuya FUKUDA
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Publication number: 20210318350Abstract: In a case where a dispensing tip is imaged from below, liquid attached to the tip falls downward and contaminates an imaging mechanism. An automatic analyzer includes: a buffer that has a hole for holding a tip for dispensing, the hole passing through the tip; a probe for dispensing having a tip to which the tip is attached; an imaging unit that images the tip; and a controller that controls the tip such that the tip is mounted on the probe by pressing the probe against the tip that passes through the hole to be held by the buffer, in which the imaging unit is disposed to image the tip from an upper side to a lower side in a gravity direction.Type: ApplicationFiled: May 29, 2019Publication date: October 14, 2021Applicant: HITACHI HIGH-TECH CORPORATIONInventors: Takahiro Kumagai, Kazuhiro Noda, Yukinori Sakashita
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Publication number: 20210239727Abstract: A countersunk hole is added to a back surface of a dispensing chip mounting position of a sample dispensing chip installation table such that, when the dispensing chip is pulled up from the installation table, the amount of contact of a chip side surface is reduced and the chip is stably mounted. In addition, a posture control member during falling is added to a chip waste position, and the chip is caused to fall vertically and attachment of a sample to a waste route is suppressed. When a dispensing probe moves upward during dispensing chip separation, an upper end of the chip is moved upward up to a position in contact with a base and stopped and then is moved upward again. Thus, the posture of the chip during separation is stable. Further, plural positions for separating the chip are provided such that the position changes depending on waste timing.Type: ApplicationFiled: March 20, 2019Publication date: August 5, 2021Inventors: Susumu SAKAIRI, Takenori OKUSA, Takahiro KUMAGAI
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Patent number: 11041872Abstract: The present invention provides an automatic analysis device and an automatic specimen processing system having a component-rack supply mechanism that, in a state where a plurality of component racks each having a disposable component mounted thereon are stacked, separates only a component rack at the leading stage of the stack from the other component racks, and supplies the separated component rack to the automatic analysis device or the automatic specimen processing system.Type: GrantFiled: January 30, 2017Date of Patent: June 22, 2021Assignee: Hitachi High-Tech CorporationInventors: Kazuhiro Noda, Tatsuya Fukugaki, Takahiro Kumagai
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Publication number: 20200217863Abstract: 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: ApplicationFiled: March 30, 2018Publication date: July 9, 2020Inventors: Takahiro KUMAGAI, Takenori OKUSA
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Publication number: 20190094250Abstract: The present invention provides an automatic analysis device and an automatic specimen processing system having a component-rack supply mechanism that, in a state where a plurality of component racks each having a disposable component mounted thereon are stacked, separates only a component rack at the leading stage of the stack from the other component racks, and supplies the separated component rack to the automatic analysis device or the automatic specimen processing system.Type: ApplicationFiled: January 30, 2017Publication date: March 28, 2019Inventors: Kazuhiro NODA, Tatsuya FUKUGAKI, Takahiro KUMAGAI
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Patent number: 10118098Abstract: A non-transitory computer-readable medium including a program product for causing a user terminal to realize functions to control progress of a video game that proceeds in a three-dimensional virtual space in which a virtual camera is arranged is provided. The functions include to: generate first output information on the basis of information obtained by the virtual camera; generate second output information regarding a selection object configured to be able to be selected and indicating a target object being a target of an action; generate arrangement information regarding arrangement of the selection object indicating a hidden object which is the target object existing within an angle of view of the virtual camera and not displayed on an output device; and output a game image containing the selection object to the output device on the basis of the first output information, the second output information, and the arrangement information.Type: GrantFiled: November 29, 2016Date of Patent: November 6, 2018Assignee: SQUARE ENIX CO., LTD.Inventors: Takahiro Kumagai, Takunori Arahari
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Publication number: 20170151503Abstract: A non-transitory computer-readable medium including a program product for causing a user terminal to realize functions to control progress of a video game that proceeds in a three-dimensional virtual space in which a virtual camera is arranged is provided. The functions include to: generate first output information on the basis of information obtained by the virtual camera; generate second output information regarding a selection object configured to be able to be selected and indicating a target object being a target of an action; generate arrangement information regarding arrangement of the selection object indicating a hidden object which is the target object existing within an angle of view of the virtual camera and not displayed on an output device; and output a game image containing the selection object to the output device on the basis of the first output information, the second output information, and the arrangement information.Type: ApplicationFiled: November 29, 2016Publication date: June 1, 2017Applicant: SQUARE ENIX CO., LTD.Inventors: Takahiro KUMAGAI, Takunori ARAHARI
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Patent number: 6598453Abstract: A tooth rolling flat die and a method for forming a tooth are provided. The die has the same service life as those of the conventional tooth rolling flat dies using oil coolant even if conducted by semi-dry forming. A first substantially quarter length portion of the leading teeth section of the die has a first surface roughness Rz of maximum height ranging from 20 to 35 &mgr;m, and a second substantially quarter length portion of the leading teeth section of the die has a second surface roughness Rz of maximum height ranging from 5 to 20 &mgr;m. The die is adapted for semi-dry forming the tooth.Type: GrantFiled: October 5, 2001Date of Patent: July 29, 2003Assignee: Nachi-Fujikoshi Corp.Inventors: Yasuhiro Murai, Takahiro Kumagai, Soiti Kakutani, Masaru Sumitani
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Publication number: 20020043094Abstract: A tooth rolling flat die and a method for forming a tooth are provided. The die has the same service life as those of the conventional tooth rolling flat dies using oil coolant even if conducted by semi-dry forming. Wherein the die comprises the surface roughness Rz of the first substantially quarter length portion of the leading teeth section wherein heights of the tops of the teeth are gradually increasing, ranging 20 to 35 &mgr;m, and that Rz of the second substantially quarter length portion of the leading teeth section, ranging 5 to 20 &mgr;m. The die is adapted for semi-dry forming the tooth.Type: ApplicationFiled: October 5, 2001Publication date: April 18, 2002Inventors: Yasuhiro Murai, Takahiro Kumagai, Soiti Kakutani, Masaru Sumitani