Patents by Inventor Atsushi Kishioka
Atsushi Kishioka 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: 11782021Abstract: An electrolyte concentration measurement device includes: an ion-selective electrode supplied with the liquid; a reference electrode serving as a reference for a potential; a potential measuring unit configured to acquire a potential of the ion-selective electrode; a concentration calculation unit configured to calculate a concentration of ions contained in the liquid based on the potential acquired by the potential measuring unit; a potential monitoring unit configured to monitor a potential of the ion-selective electrode and generate a potential response curve; a timing signal acquisition unit configured to acquire a timing signal related to a timing of various operations; and a potential response curve analysis unit configured to detect an abnormality sign of a device based on a relationship between the potential response curve and the timing signal.Type: GrantFiled: September 2, 2019Date of Patent: October 10, 2023Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Atsushi Kishioka, Tetsuyoshi Ono
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Publication number: 20230087708Abstract: An object of the present invention is to provide a device for measuring electrolyte concentration capable of easily measuring a temperature difference between a sensitive membrane and liquid in the vicinity of the sensitive membrane that affects an electrolyte concentration analysis value. The device for measuring electrolyte concentration according to the present invention measures potential of an ion selective electrode at at least two or more different times while liquid is present in a flow path for introducing the liquid into the ion selective electrode, and calculates a temperature difference between the liquid and the ion selective electrode using the measured potential of the ion selective electrode at two or more different times (see FIG. 4).Type: ApplicationFiled: February 2, 2021Publication date: March 23, 2023Inventors: Atsushi KISHIOKA, Masafumi MIYAKE
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Publication number: 20220404310Abstract: An analysis device measures ion concentration in a sample to detect an abnormality using an ion selective electrode. The analysis device includes an ion selective electrode that obtains a potential based on the ion concentration, a reference electrode that obtains a potential based on a reference liquid, a measurement unit that measures an electromotive force between the ion selective electrode and the reference electrode, an analyzer that analyzes a potential change of the electromotive force in a certain time region, and a storage that stores abnormality analysis data indicating a relation between the potential change and an abnormality of the analysis device. The analyzer acquires a parameter for the potential change of the electromotive force measured by the measurement unit, and analyzes the abnormality of the analysis device based on the parameter and the abnormality analysis data stored in the storage.Type: ApplicationFiled: April 8, 2020Publication date: December 22, 2022Applicant: Hitachi High-Tech CorporationInventors: Yufuku MATSUSHITA, Atsushi KISHIOKA, Haruyoshi YAMAMOTO, Masafumi MIYAKE
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Patent number: 11435373Abstract: An automated analyzer includes a plurality of measurement units including a measurement section which measures a sample, a suction container connected to the plurality of measurement units through a first path, a vacuum exhaust system connected to the suction container through a second path, a discharge section connected to the suction container through a third path, a pressure adjustment mechanism disposed in the second path, and a control section which performs control such that the suction container is vacuum-exhausted by the vacuum exhaust system.Type: GrantFiled: October 6, 2017Date of Patent: September 6, 2022Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Satoshi Ozawa, Kunio Harada, Atsushi Kishioka, Haruyoshi Yamamoto, Yu Ishige, Yoshinobu Kohara, Tetsuyoshi Ono
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Patent number: 11397162Abstract: There is provided an electrolyte measuring device that can decrease a liquid amount used for measurement, in which stable sealing can be provided in connecting passages of ion selective electrodes to each other with no gap, while maintaining high measurement accuracy of an existing ion selective electrode, and a residing sample liquid can be greatly decreased. In a flow-type ion selective electrode, a sealing member is used, which can be brought into intimate contact with a passage connecting unit to near a passage hole. A gap regulating member is provided to keep a gap between the electrodes constant and to prevent the sealing member from being excessively pressed. An electrode case has a structure suitable for the sealing member for allowing the alignment and holding of the sealing member.Type: GrantFiled: September 28, 2020Date of Patent: July 26, 2022Assignee: Hitachi High-Tech CorporationInventors: Atsushi Kishioka, Yu Ishige, Tetsuyoshi Ono
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Publication number: 20220187235Abstract: The present invention addresses the problem of improving both ion-selective electrode stability and adhesion between a sensitive film and a casing. This ion-selective electrode is characterized by being provided with: a sensitive membrane containing an ion-selective substance, a substrate, and a plasticizer; and a casing that holds the sensitive membrane, and by the casing material containing a substance having a solubility parameter (SP value) of 19.5 to 21.5.Type: ApplicationFiled: February 26, 2020Publication date: June 16, 2022Inventors: Yoshito WATANABE, Atsushi KISHIOKA, Haruyoshi YAMAMOTO, Masafumi MIYAKE
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Publication number: 20210318266Abstract: An electrolyte concentration measurement device includes: an ion-selective electrode supplied with the liquid; a reference electrode serving as a reference for a potential; a potential measuring unit configured to acquire a potential of the ion-selective electrode; a concentration calculation unit configured to calculate a concentration of ions contained in the liquid based on the potential acquired by the potential measuring unit; a potential monitoring unit configured to monitor a potential of the ion-selective electrode and generate a potential response curve; a timing signal acquisition unit configured to acquire a timing signal related to a timing of various operations; and a potential response curve analysis unit configured to detect an abnormality sign of a device based on a relationship between the potential response curve and the timing signal.Type: ApplicationFiled: September 2, 2019Publication date: October 14, 2021Applicant: HITACHI HIGH-TECH CORPORATIONInventors: Atsushi KISHIOKA, Tetsuyoshi ONO
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Publication number: 20210132096Abstract: An automated analyzer includes a plurality of measurement units including a measurement section which measures a sample, a suction container connected to the plurality of measurement units through a first path, a vacuum exhaust system connected to the suction container through a second path, a discharge section connected to the suction container through a third path, a pressure adjustment mechanism disposed in the second path, and a control section which performs control such that the suction container is vacuum-exhausted by the vacuum exhaust system.Type: ApplicationFiled: October 6, 2017Publication date: May 6, 2021Inventors: Satoshi OZAWA, Kunio HARADA, Atsushi KISHIOKA, Haruyoshi YAMAMOTO, Yu ISHIGE, Yoshinobu KOHARA, Tetsuyoshi ONO
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Publication number: 20210010970Abstract: There is provided an electrolyte measuring device that can decrease a liquid amount used for measurement, in which stable sealing can be provided in connecting passages of ion selective electrodes to each other with no gap, while maintaining high measurement accuracy of an existing ion selective electrode, and a residing sample liquid can be greatly decreased. In a flow-type ion selective electrode, a sealing member is used, which can be brought into intimate contact with a passage connecting unit to near a passage hole. A gap regulating member is provided to keep a gap between the electrodes constant and to prevent the sealing member from being excessively pressed. An electrode case has a structure suitable for the sealing member for allowing the alignment and holding of the sealing member.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Inventors: Atsushi KISHIOKA, Yu Ishige, Tetsuyoshi Ono
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Patent number: 10823695Abstract: There is provided an electrolyte measuring device that can decrease a liquid amount used for measurement, in which stable sealing can be provided in connecting passages of ion selective electrodes to each other with no gap, while maintaining high measurement accuracy of an existing ion selective electrode, and a residing sample liquid can be greatly decreased. In a flow-type ion selective electrode, a sealing member is used, which can be brought into intimate contact with a passage connecting unit to near a passage hole. A gap regulating member is provided to keep a gap between the electrodes constant and to prevent the sealing member from being excessively pressed. An electrode case has a structure suitable for the sealing member for allowing the alignment and holding of the sealing member.Type: GrantFiled: January 22, 2015Date of Patent: November 3, 2020Assignee: Hitachi High-Technologies CorporationInventors: Atsushi Kishioka, Yu Ishige, Tetsuyoshi Ono
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Patent number: 10768136Abstract: An electrolyte concentration measurement device includes a measurement unit that includes an ion selective electrode, a reference electrode and a potential measurement unit; a record and calculation unit that obtains an ion concentration of an internal standard liquid or a specimen; and a concentration value correction/determination unit that determines whether the ion concentration of the internal standard liquid is within a preset value range, and corrects an ion concentration value of the internal standard liquid obtained by the record and calculation unit, in which the measurement unit includes an internal standard liquid bottle storage unit storing a plurality of bottles, and the concentration value correction/determination unit corrects the obtained ion concentration of the internal standard liquid after the bottle is switched, by using information of the ion concentration before the bottle accommodating the internal standard liquid is switched.Type: GrantFiled: June 13, 2017Date of Patent: September 8, 2020Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Atsushi Kishioka, Tetsuyoshi Ono
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Publication number: 20190265187Abstract: An electrolyte concentration measurement device includes a measurement unit that includes an ion selective electrode, a reference electrode and a potential measurement unit; a record and calculation unit that obtains an ion concentration of an internal standard liquid or a specimen; and a concentration value correction/determination unit that determines whether the ion concentration of the internal standard liquid is within a preset value range, and corrects an ion concentration value of the internal standard liquid obtained by the record and calculation unit, in which the measurement unit includes an internal standard liquid bottle storage unit storing a plurality of bottles, and the concentration value correction/determination unit corrects the obtained ion concentration of the internal standard liquid after the bottle is switched, by using information of the ion concentration before the bottle accommodating the internal standard liquid is switched.Type: ApplicationFiled: June 13, 2017Publication date: August 29, 2019Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Atsushi KISHIOKA, Tetsuyoshi ONO
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Patent number: 10234416Abstract: The present invention announces a method for extending the storage life of a test reagent for quantification of ionic components in samples by using an anion sensor. The purpose of the present invention is to provide an anion sensor, wherein the storage life of the anion sensor itself may be extended, to thereby extend the storage life of the anion sensor beyond that of conventional anion sensors. According to the present invention, through adjustment of the pH of the internal solution (internal gel liquid), it is possible to provide an anion sensor that maintains consistent performance, and has longer storage life.Type: GrantFiled: April 21, 2014Date of Patent: March 19, 2019Assignee: Hitachi High-Technologies CorporationInventors: Akiko Suzuki, Tetsuyoshi Ono, Atsushi Kishioka
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Patent number: 10018585Abstract: An electrolyte concentration measuring apparatus is provided with: a plurality of ion selective electrodes and one reference electrode; a sample introduction unit that introduces a sample solution to the plurality of ion selective electrodes and the reference electrode; a potential measuring unit that measures a voltage between the plurality of ion selective electrodes and the reference electrode; and a resistance measuring unit that measures a direct-current resistance of the plurality of ion selective electrodes.Type: GrantFiled: April 10, 2014Date of Patent: July 10, 2018Assignee: Hitachi High-Technologies CorporationInventors: Yu Ishige, Masao Kamahori, Atsushi Kishioka, Tetsuyoshi Ono, Masafumi Miyake
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Publication number: 20160334358Abstract: There is provided an electrolyte measuring device that can decrease a liquid amount used for measurement, in which stable sealing can be provided in connecting passages of ion selective electrodes to each other with no gap, while maintaining high measurement accuracy of an existing ion selective electrode, and a residing sample liquid can be greatly decreased. In a flow-type ion selective electrode, a sealing member is used, which can be brought into intimate contact with a passage connecting unit to near a passage hole. A gap regulating member is provided to keep a gap between the electrodes constant and to prevent the sealing member from being excessively pressed. An electrode case has a structure suitable for the sealing member for allowing the alignment and holding of the sealing member.Type: ApplicationFiled: January 22, 2015Publication date: November 17, 2016Inventors: Atsushi KISHIOKA, Yu ISHIGE, Tetsuyoshi ONO
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Publication number: 20160131611Abstract: The present invention announces a method for extending the storage life of a test reagent for quantification of ionic components in samples by using an anion sensor. The purpose of the present invention is to provide an anion sensor, wherein the storage life of the anion sensor itself may be extended, to thereby extend the storage life of the anion sensor beyond that of conventional anion sensors. According to the present invention, through adjustment of the pH of the internal solution (internal gel liquid), it is possible to provide an anion sensor that maintains consistent performance, and has longer storage life.Type: ApplicationFiled: April 21, 2014Publication date: May 12, 2016Inventors: Akiko SUZUKI, Tetsuyoshi ONO, Atsushi KISHIOKA
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Publication number: 20160054257Abstract: An electrolyte concentration measuring apparatus is provided with: a plurality of ion selective electrodes and one reference electrode; a sample introduction unit that introduces a sample solution to the plurality of ion selective electrodes and the reference electrode; a potential measuring unit that measures a voltage between the plurality of ion selective electrodes and the reference electrode; and a resistance measuring unit that measures a direct-current resistance of the plurality of ion selective electrodes.Type: ApplicationFiled: April 10, 2014Publication date: February 25, 2016Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Yu ISHIGE, Masao KAMAHORI, Atsushi KISHIOKA, Tetsuyoshi ONO, Masafumi MIYAKE
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Patent number: 8537304Abstract: The liquid crystal display device includes: a liquid crystal panel in which liquid crystal is held in a cell between a first substrate and second substrate opposed to each other, an illumination device which is placed on a side of the first substrate of the liquid crystal panel; a polarization layer containing a dichroic dye that has lyotropic liquid crystal properties which is formed by application on a surface of the first substrate of the liquid crystal panel that is opposite from the liquid crystal; and a condenser lens which condenses light from the illumination device to an interior of the cell, and/or a resin layer which protects the polarization layer, which are disposed on a top surface of the polarization layer.Type: GrantFiled: May 12, 2010Date of Patent: September 17, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Atsushi Kishioka, Shinji Sekiguchi
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Patent number: 8379168Abstract: An object of the present invention is to provide a liquid crystal display device where there are fewer moiré effects between lenticular lenses and the backlight. The present invention provides a liquid crystal display device where the arrangement or form of lenticular lenses 1 varies in waveform so that the center line of the lenses, the width of the lenses, and the height of the lenses vary in the case where light emitted from a backlight 59 is collected into openings 15 for transmitting light by means of lenticular lenses 1.Type: GrantFiled: August 17, 2009Date of Patent: February 19, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Tatsuya Sugita, Shinji Sekiguchi, Atsushi Kishioka, Shinichi Komura
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Patent number: 8094269Abstract: In a transflective liquid crystal panel having an in-cell retarder, for improving a layer structure of poor adhesion, an alignment film for the retardation layer is not applied to a portion of disposing a sealing material at the main surface of a substrate of the liquid crystal panel in the step of applying the alignment film to the main surface.Type: GrantFiled: June 30, 2008Date of Patent: January 10, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Atsushi Kishioka, Shinji Sekiguchi