Patents by Inventor Yuki Kitagawa
Yuki Kitagawa 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: 20240124995Abstract: An electrochemical reaction device in an embodiment includes: an electrochemical reaction cell including a first accommodation part for accommodating carbon dioxide, a second accommodation part for accommodating an electrolytic solution containing water, or water vapor, a diaphragm provided between the first accommodation part and the second accommodation part, a reduction electrode arranged in the first accommodation part, and an oxidation electrode arranged in the second accommodation part, a detection unit detecting a reaction amount in the electrochemical reaction cell; a regulation unit regulating an amount of the carbon dioxide to be supplied to the first accommodation part, and a control unit controlling the regulation unit based on a detection signal of the detection unit.Type: ApplicationFiled: December 27, 2023Publication date: April 18, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ryota KITAGAWA, Yusuke KOFUJI, Asahi MOTOSHIGE, Masakazu YAMAGIWA, Jun TAMURA, Yuki KUDO, Akihiko ONO, Satoshi MIKOSHIBA
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Publication number: 20240117515Abstract: An electrolytic device includes: an electrolysis cell including: an anode; a cathode; a first flow path plate facing on the anode, the first flow path plate having a first recess defining an anode flow path through which a first liquid flows; a second flow path plate facing on the cathode, the second flow path plate having a second recess defining a cathode flow path through which a first gas flows; and a separator provided between the anode and the cathode. The second flow path plate has an uneven surface on an inner surface of the second recess. An arithmetic mean roughness of the uneven surface is 0.03 ?m or more and 50 ?m or less.Type: ApplicationFiled: March 1, 2023Publication date: April 11, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Akihiko ONO, Yusuke KOFUJI, Yuki KUDO, Satoshi MIKOSHIBA, Ryota KITAGAWA
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Patent number: 11946150Abstract: An electrochemical reaction device in an embodiment includes: a reaction unit including a first accommodation part to accommodate carbon dioxide and a second accommodation part to accommodate an electrolytic solution containing water; a reduction electrode to reduce the carbon dioxide; an oxidation electrode to oxidize the water; a power supply to pass current between the reduction electrode and the oxidation electrode; a pressure regulator to regulate a pressure in the first accommodation part; a reaction product detector to detect at least one of an amount and a kind of a substance produced at the reduction electrode; and a controller to control the pressure regulator based on a detection signal of the reaction product detector.Type: GrantFiled: August 4, 2022Date of Patent: April 2, 2024Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Ryota Kitagawa, Asahi Motoshige, Yoshitsune Sugano, Masakazu Yamagiwa, Jun Tamura, Yuki Kudo, Akihiko Ono, Satoshi Mikoshiba
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Publication number: 20240093395Abstract: An electrolysis device of an embodiment includes: an electrolysis cell including a cathode part in which a reduction electrode is disposed, an anode part in which an oxidation electrode is disposed, and a diaphragm provided between the cathode part and the anode part; a supply power property obtaining unit that obtains a property of power that is to be supplied to the electrolysis cell; an input gas property obtaining unit that obtains a property of a gas that is to be input to the electrolysis cell; an electric property obtaining unit that obtains an electric property of the electrolysis cell; an output gas property obtaining unit that obtains a property of an output gas of the electrolysis cell; a temperature obtaining unit that obtains a temperature of the electrolysis cell; a data storage unit that stores data from the obtaining units; and a data processing unit to which the data is sent from the data storage unit and that processes the data to determine a state of the electrolysis cell.Type: ApplicationFiled: March 6, 2023Publication date: March 21, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yuki KUDO, Akihiko ONO, Satoshi MIKOSHIBA, Ryota KITAGAWA
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Patent number: 11749441Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion and a flange portion integrally formed with the columnar winding portion at both axial ends of the winding portion, and a gap C, represented by the following Formula, between adjacent voids in the surface layer portion of the columnar winding portion, is 6 to 12 ?m. C=L?R??Formula: where, L is the average value of the distance between the centers of gravity between adjacent voids, and R is the average value of equivalent circle diameters of the voids.Type: GrantFiled: July 29, 2019Date of Patent: September 5, 2023Assignee: Kyocera CorporationInventors: Hitomi Ochiai, Masamichi Shingu, Yuki Kitagawa, Hideki Mori, Mitsuya Takayama
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Patent number: 11594362Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion around which a conductive wire is wound, the columnar winding portion having a first axial end and a second axial end and a flange portion integrally formed with the winding portion at both axial ends of the winding portion, in which the columnar winding portion includes, in a cross section orthogonal to an axial center, a first region having a curved outer peripheral surface having a first radius of curvature and a second region having a curved surface having a second radius of curvature, the second radius of curvature is smaller than the first radius of curvature and the first region and the second region are connected with each other via a first projection.Type: GrantFiled: July 29, 2019Date of Patent: February 28, 2023Assignee: KYOCERA CorporationInventors: Hitomi Ochiai, Masamichi Shingu, Yuki Kitagawa, Hideki Mori, Mitsuya Takayama
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Patent number: 11581120Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion and a flange portion integrally formed with the columnar winding portion at both axial ends of the columnar winding portion, in which when observed in a cross section perpendicular to an axial direction, a surface layer portion of the columnar winding portion and a surface layer portion of the flange portion have a void occupancy area smaller than a void occupancy area of an inside of the columnar winding portion and of an inside of the flange portion, respectively.Type: GrantFiled: July 29, 2019Date of Patent: February 14, 2023Assignee: KYOCERA CorporationInventors: Hitomi Ochiai, Masamichi Shingu, Yuki Kitagawa, Hideki Mori, Mitsuya Takayama
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Publication number: 20200227198Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion and a flange portion integrally formed with the columnar winding portion at both axial ends of the columnar winding portion, in which when observed in a cross section perpendicular to an axial direction, a surface layer portion of the columnar winding portion and a surface layer portion of the flange portion have a void occupancy area smaller than a void occupancy area of an inside of the columnar winding portion and of an inside of the flange portion, respectively.Type: ApplicationFiled: July 29, 2019Publication date: July 16, 2020Inventors: Hitomi OCHIAI, Masamichi SHINGU, Yuki KITAGAWA, Hideki MORI, Mitsuya TAKAYAMA
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Publication number: 20200227202Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion and a flange portion integrally formed with the winding portion at both axial ends of the winding portion, and a cutting level difference (R?c) of a roughness curve representing a difference between a cutting level at 25% loading length rate in the roughness curve and a cutting level at 75% loading length rate in the roughness curve of a surface of the winding portion is 0.2 ?m or more and 2 ?m or less.Type: ApplicationFiled: July 29, 2019Publication date: July 16, 2020Inventors: Hitomi OCHIAI, Masamichi SHINGU, Yuki KITAGAWA, Hideki MORI, Mitsuya TAKAYAMA
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Publication number: 20200227197Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion and a flange portion integrally formed with the columnar winding portion at both axial ends of the winding portion, and a gap C, represented by the following Formula, between adjacent voids in the surface layer portion of the columnar winding portion, is 6 to 12 ?m. Formula: C=L?R where, L is the average value of the distance between the centers of gravity between adjacent voids, and R is the average value of equivalent circle diameters of the voids.Type: ApplicationFiled: July 29, 2019Publication date: July 16, 2020Inventors: Hitomi OCHIAI, Masamichi SHINGU, Yuki KITAGAWA, Hideki MORI, Mitsuya TAKAYAMA
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Publication number: 20200227196Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion around which a conductive wire is wound, the columnar winding portion having a first axial end and a second axial end and a flange portion integrally formed with the winding portion at both axial ends of the winding portion, in which the columnar winding portion includes, in a cross section orthogonal to an axial center, a first region having a curved outer peripheral surface having a first radius of curvature and a second region having a curved surface having a second radius of curvature, the second radius of curvature is smaller than the first radius of curvature and the first region and the second region are connected with each other via a first projection.Type: ApplicationFiled: July 29, 2019Publication date: July 16, 2020Inventors: Hitomi OCHIAI, Masamichi SHINGU, Yuki KITAGAWA, Hideki MORI, Mitsuya TAKAYAMA
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Publication number: 20200227199Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion including opposite axial ends; a conductive wire having a diameter wound around the columnar winding portion, and a flange portion integrally formed with the winding portion at both axial ends of the winding portion, and the winding portion and the flange portion intersect to form a corner portion with a radius of curvature that is equal to or smaller than the diameter of the conductive wire.Type: ApplicationFiled: July 29, 2019Publication date: July 16, 2020Inventors: Hitomi OCHIAI, Masamichi SHINGU, Yuki KITAGAWA, Hideki MORI, Mitsuya TAKAYAMA
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Patent number: 6437107Abstract: 2-Methyl-{4-O-(2-amino-2-deoxy-&bgr;-glucopyranosyl)-1,2-dideoxy-&agr;-glucopyrano}(2,1-d)-2-oxazoline of the following formula or an acid addition salt thereof A 50% deacetylated chitin having a repeating structure represented by the following formula, an oligosaccharide thereof or an acid addition salt thereof wherein n is an integer.Type: GrantFiled: September 7, 1999Date of Patent: August 20, 2002Assignee: Director of National Food Research Institute, Ministry of Agriculture, Forestry and FisheriesInventors: Ken Tokuyasu, Yutaka Mori, Yuki Kitagawa, Kiyoshi Hayashi