Patents by Inventor Katsutoshi Shimizu
Katsutoshi Shimizu 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: 20230384273Abstract: Disclosed is a liquid chromatographic data processing apparatus capable of easily setting appropriate analytical conditions while taking sensitivity performance into account. The liquid chromatographic data processing apparatus includes a data processing unit that generates display data for performing a display in accordance with correspondence relationships of diameters of particles of a column filler that is data concerning an analytical condition of a chromatography apparatus and analytical characteristics that is data concerning separation performance, and a sensitivity performance index.Type: ApplicationFiled: May 26, 2023Publication date: November 30, 2023Inventors: Masahito ITO, Katsutoshi Shimizu
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Publication number: 20220373523Abstract: A chromatographic data system processing apparatus includes a liquid feeder, a sample injector, a column that separates samples, a detector, a controller that processes a detected result of the detector, and a data processor that examines and sets operations of the liquid feeder, the column and the detector, and a measurement condition. The data processor generates a three-dimensional graph having three axes related to a pressure, a time, and a number of theoretical plates based on data or variables indicating a relationship between the number of theoretical plates and a flow rate, and data or variables indicating a relationship between the pressure and the flow rate. The chromatographic data system processing apparatus can easily obtain a separation condition for obtaining performance from a three-dimensional graph including a pressure drop, a hold-up time and a number of theoretical plates.Type: ApplicationFiled: August 1, 2022Publication date: November 24, 2022Inventors: Masahito Ito, Katsutoshi Shimizu
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Patent number: 11422118Abstract: A chromatographic data system processing apparatus includes a liquid feeder, a sample injector, a column that separates samples, a detector, a controller that processes a detected result of the detector, and a data processor that examines and sets operations of the liquid feeder, the column and the detector, and a measurement condition. The data processor generates a three-dimensional graph having three axes related to a pressure, a time, and a number of theoretical plates based on data or variables indicating a relationship between the number of theoretical plates and a flow rate, and data or variables indicating a relationship between the pressure and the flow rate. The chromatographic data system processing apparatus can easily obtain a separation condition for obtaining performance from a three-dimensional graph including a pressure drop, a hold-up time and a number of theoretical plates.Type: GrantFiled: November 15, 2018Date of Patent: August 23, 2022Assignee: Hitachi High-Tech Science CorporationInventors: Masahito Ito, Katsutoshi Shimizu
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Publication number: 20220099639Abstract: In order to obtain analysis conditions, there is provided a liquid chromatography data processing device which generates, based on data regarding analysis conditions of a chromatography device and data on separation performance, display data that displays a graph showing correspondence of data regarding analysis conditions of the chromatography device and separation performance, generating a first group of biaxial data regarding the above analysis conditions, second group of biaxial data obtained by calculation comprising multiplication and/or division of two data of the first group of biaxial data, and display data according to a graph showing correspondence of the data regarding separation performance, wherein at least each axis of the first group of biaxial data and the second group of biaxial data is represented as a logarithmic axis.Type: ApplicationFiled: September 16, 2021Publication date: March 31, 2022Inventors: Masahito ITO, Katsutoshi Shimizu
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Patent number: 10955160Abstract: An air conditioner includes: a heat source unit including a compressor and a heat source-side heat exchanger; and a plurality of utilization units each including a decompressing device and a utilization-side heat exchanger. The utilization units are connected in parallel to the heat source unit to form a refrigerant circuit. The air conditioner performs a cooling operation using the heat source-side heat exchanger as a condenser and the utilization-side heat exchanger as an evaporator. The air conditioner further includes: a detection sensor that detects a state of air related to a required capacity of each of the utilization units; and a control apparatus that acquires the required capacity of each of the utilization units based on a detection result of the detection sensor.Type: GrantFiled: January 25, 2018Date of Patent: March 23, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Katsutoshi Shimizu, Akiyoshi Yamamoto, Kenshi Tsuji
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Patent number: 10935526Abstract: A minimum peak is determined from analysis results, a correction wavelength at which an S/N ratio of the minimum peak is greatest is determined, and the determined correction wavelength is used to execute correction of the minimum peak. A plurality of detector output value correction method are registered in a processor, correction method is selected from default correction method or from among a plurality of preset correction methods according to an object to perform correction.Type: GrantFiled: December 16, 2019Date of Patent: March 2, 2021Assignee: HITACHI HIGH-TECH SCIENCE CORPORATIONInventors: Shuhei Yamamura, Daisuke Akieda, Ayumi Nakaogami, Katsutoshi Shimizu
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Publication number: 20200378642Abstract: An air conditioner includes: a heat source unit including a compressor and a heat source-side heat exchanger; and a plurality of utilization units each including a decompressing device and a utilization-side heat exchanger. The utilization units are connected in parallel to the heat source unit to form a refrigerant circuit. The air conditioner performs a cooling operation using the heat source-side heat exchanger as a condenser and the utilization-side heat exchanger as an evaporator. The air conditioner further includes: a detection sensor that detects a state of air related to a required capacity of each of the utilization units; and a control apparatus that acquires the required capacity of each of the utilization units based on a detection result of the detection sensor.Type: ApplicationFiled: January 25, 2018Publication date: December 3, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Katsutoshi Shimizu, Akiyoshi Yamamoto, Kenshi Tsuji
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Publication number: 20200116677Abstract: A minimum peak is determined from analysis results, a correction wavelength at which an S/N ratio of the minimum peak is greatest is determined, and the determined correction wavelength is used to execute correction of the minimum peak. A plurality of detector output value correction method are registered in a processor, correction method is selected from default correction method or from among a plurality of preset correction methods according to an object to perform correction.Type: ApplicationFiled: December 16, 2019Publication date: April 16, 2020Inventors: Shuhei Yamamura, Daisuke Akieda, Ayumi Nakaogami, Katsutoshi Shimizu
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Patent number: 10585041Abstract: A sample analysis system includes a Fluorescence Spectrophotometer, a liquid chromatography device, a mass spectrometer, a control device, and a sample introducer. The Fluorescence Spectrophotometer obtains a three-dimensional fluorescence spectrum including an excitation wavelength, a fluorescence wavelength, and a fluorescence intensity. The liquid chromatography device obtains a three-dimensional absorption spectrum including an elution time, an absorption wavelength, and an absorbance. The mass spectrometer obtains a three-dimensional mass spectrum including an elution time, mass information, and an ion intensity. The axes of respective spectra are set on the same scale, and the mass-charge ratio in the three-dimensional mass spectrum data obtained by the mass spectrometer is determined.Type: GrantFiled: November 16, 2018Date of Patent: March 10, 2020Assignee: Hitachi High-Tech Science CorporationInventors: Jun Horigome, Masaki Watanabe, Katsutoshi Shimizu, Hideyuki Sakamoto
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Patent number: 10571440Abstract: A two-dimensional liquid chromatographic analyzer, in which a temperature control part changes a temperature in a single-step manner and switches the temperature at a high speed. Also, the temperature control part has a holder around a separation column so that the temperature of the separation column can be changed to a preset temperature. A first separation column thereof changes elution time(s) of the objective component(s) by temperature modulation and the mobile phase of the first separation column is an aqueous mobile phase having a constant composition.Type: GrantFiled: February 5, 2019Date of Patent: February 25, 2020Assignee: HITACHI HIGH-TECH SCIENCE CORPORATIONInventors: Katsutoshi Shimizu, Hideko Kanazawa
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Patent number: 10539540Abstract: A minimum peak is determined from analysis results, a correction wavelength at which an S/N ratio of the minimum peak is greatest is determined, and the determined correction wavelength is used to execute correction of the minimum peak. A plurality of detector output value correction method are registered in a processor, correction method is selected from default correction method or from among a plurality of preset correction methods according to an object to perform correction.Type: GrantFiled: June 8, 2017Date of Patent: January 21, 2020Assignee: HITACHI HIGH-TECH SCIENCE CORPORATIONInventors: Shuhei Yamamura, Daisuke Akieda, Ayumi Nakaogami, Katsutoshi Shimizu
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Patent number: 10396628Abstract: A drive device that includes a cylindrical rotor core of a rotary electric machine, a rotor shaft that supports the rotor core from a radially inner side, and a power transfer shaft coupled such that the power transfer shaft rotates together with the rotor shaft, wherein: the rotor shaft is formed in a tubular shape that has an outer peripheral surface that contacts an inner peripheral surface of the rotor core; and the power transfer shaft is disposed radially inward of the rotor shaft.Type: GrantFiled: April 6, 2015Date of Patent: August 27, 2019Assignee: AISIN AW CO., LTD.Inventors: Meio Gi, Katsutoshi Shimizu, Yasunori Oguri, Kenji Sasaki, Katsunori Miyoshi
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Patent number: 10359402Abstract: A two-dimensional liquid chromatographic analyzer, in which a temperature control part changes a temperature in a single-step manner and switches the temperature at a high speed. Also, the temperature control part has a holder around a separation column so that the temperature of the separation column can be changed to a preset temperature. A first separation column thereof changes elution time(s) of the objective component(s) by temperature modulation and the mobile phase of the first separation column is an aqueous mobile phase having a constant composition.Type: GrantFiled: March 25, 2016Date of Patent: July 23, 2019Assignee: HITACHI HIGH-TECH SCIENCE CORPORATIONInventors: Katsutoshi Shimizu, Hideko Kanazawa
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Publication number: 20190170707Abstract: A two-dimensional liquid chromatographic analyzer, in which a temperature control part changes a temperature in a single-step manner and switches the temperature at a high speed. Also, the temperature control part has a holder around a separation column so that the temperature of the separation column can be changed to a preset temperature. A first separation column thereof changes elution time(s) of the objective component(s) by temperature modulation and the mobile phase of the first separation column is an aqueous mobile phase having a constant composition.Type: ApplicationFiled: February 5, 2019Publication date: June 6, 2019Inventors: Katsutoshi SHIMIZU, Hideko KANAZAWA
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Publication number: 20190154579Abstract: A sample analysis system includes a Fluorescence Spectrophotometer, a liquid chromatography device, a mass spectrometer, a control device, and a sample introducer. The Fluorescence Spectrophotometer obtains a three-dimensional fluorescence spectrum including an excitation wavelength, a fluorescence wavelength, and a fluorescence intensity. The liquid chromatography device obtains a three-dimensional absorption spectrum including an elution time, an absorption wavelength, and an absorbance. The mass spectrometer obtains a three-dimensional mass spectrum including an elution time, mass information, and an ion intensity. The axes of respective spectra are set on the same scale, and the mass-charge ratio in the three-dimensional mass spectrum data obtained by the mass spectrometer is determined.Type: ApplicationFiled: November 16, 2018Publication date: May 23, 2019Applicant: Hitachi High-Tech Science CorporationInventors: Jun Horigome, Masaki Watanabe, Katsutoshi Shimizu, Hideyuki Sakamoto
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Publication number: 20190145943Abstract: A chromatographic data system processing apparatus includes a liquid feeder, a sample injector, a column that separates samples, a detector, a controller that processes a detected result of the detector, and a data processor that examines and sets operations of the liquid feeder, the column and the detector, and a measurement condition. The data processor generates a three-dimensional graph having three axes related to a pressure, a time, and a number of theoretical plates based on data or variables indicating a relationship between the number of theoretical plates and a flow rate, and data or variables indicating a relationship between the pressure and the flow rate. The chromatographic data system processing apparatus can easily obtain a separation condition for obtaining performance from a three-dimensional graph including a pressure drop, a hold-up time and a number of theoretical plates.Type: ApplicationFiled: November 15, 2018Publication date: May 16, 2019Applicant: Hitachi High-Tech Science CorporationInventors: Masahito Ito, Katsutoshi Shimizu
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Patent number: 10193414Abstract: A power transmission apparatus includes a first electric motor, a power split mechanism, a second electric motor, a case, a support wall, and a breather mechanism. The case accommodates the first electric motor, the power split mechanism, and the second electric motor. The support wall is provided between the power split mechanism and the second electric motor. The breather mechanism is located in a rotational angle range that is at least equal to 90 degrees and is smaller than 180 degrees. The breather mechanism has a through hole and a breather chamber. The breather chamber is provided at a case inner side end of the through hole and is opened in a direction that does not oppose a virtual surface that passes through the rotational axis at a rotational angle of 90 degrees of the second electric motor.Type: GrantFiled: November 23, 2016Date of Patent: January 29, 2019Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Kiyonori Takagi, Hidehiko Banshoya, Atsushi Kawamoto, Haruhisa Suzuki, Kuniaki Ishii, Tooru Matsubara, Kazuyuki Shiiba, Atsushi Tabata, Yuji Yasuda, Junji Matsushita, Katsutoshi Shimizu
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Publication number: 20170356887Abstract: A minimum peak is determined from analysis results, a correction wavelength at which an S/N ratio of the minimum peak is greatest is determined, and the determined correction wavelength is used to execute correction of the minimum peak. A plurality of detector output value correction method are registered in a processor, correction method is selected from default correction method or from among a plurality of preset correction methods according to an object to perform correction.Type: ApplicationFiled: June 8, 2017Publication date: December 14, 2017Inventors: Shuhei YAMAMURA, Daisuke AKIEDA, Ayumi NAKAOGAMI, Katsutoshi SHIMIZU
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Publication number: 20170170707Abstract: A power transmission apparatus includes a first electric motor, a power split mechanism, a second electric motor, a case, a support wall, and a breather mechanism. The case accommodates the first electric motor, the power split mechanism, and the second electric motor. The support wall is provided between the power split mechanism and the second electric motor. The breather mechanism is located in a rotational angle range that is at least equal to 90 degrees and is smaller than 180 degrees. The breather mechanism has a through hole and a breather chamber. The breather chamber is provided at a case inner side end of the through hole and is opened in a direction that does not oppose a virtual surface that passes through the rotational axis at a rotational angle of 90 degrees of the second electric motor.Type: ApplicationFiled: November 23, 2016Publication date: June 15, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Kiyonori TAKAGI, Hidehiko BANSHOYA, Atsushi KAWAMOTO, Haruhisa SUZUKI, Kuniaki ISHII, Tooru MATSUBARA, Kazuyuki SHIIBA, Atsushi TABATA, Yuji YASUDA, Junji MATSUSHITA, Katsutoshi SHIMIZU
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Publication number: 20170133912Abstract: A drive device that includes a cylindrical rotor core of a rotary electric machine, a rotor shaft that supports the rotor core from a radially inner side, and a power transfer shaft coupled such that the power transfer shaft rotates together with the rotor shaft, wherein: the rotor shaft is formed in a tubular shape that has an outer peripheral surface that contacts an inner peripheral surface of the rotor core; and the power transfer shaft is disposed radially inward of the rotor shaft.Type: ApplicationFiled: April 6, 2015Publication date: May 11, 2017Applicant: AISIN AW CO., LTD.Inventors: Meio GI, Katsutoshi SHIMIZU, Yasunori OGURI, Kenji SASAKI, Katsunori MIYOSHI