Patents by Inventor Yuta Matsumoto
Yuta Matsumoto 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: 20230050122Abstract: An inkjet ink that includes (A) a terpene resin made from ?-pinene and (B) methyl ethyl ketone, which is characterized by extended decap times as well as quick drying properties when applied onto a substrate. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.Type: ApplicationFiled: December 20, 2019Publication date: February 16, 2023Applicant: Kao CorporationInventors: Yuta MATSUMOTO, Todd TRITCAK
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Publication number: 20230031477Abstract: An inkjet ink that includes (A) a terpene phenol resin and (B) a compound of formula (I) wherein R is an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, n is 0 or 1, p is an integer from 1 to 40, and q is an integer from 1 to 40. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.Type: ApplicationFiled: December 20, 2019Publication date: February 2, 2023Applicant: Kao CorporationInventors: Yuta MATSUMOTO, Daniel SANDKER
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Patent number: 11549028Abstract: The present invention relates to an ink-jet printing method of overprinting a first ink and a second ink on a low-liquid absorbing printing medium, in which the first ink and the second ink are respectively in the form of a water-based ink containing a colorant (A), a polymer (B), an organic solvent (C) and water, and satisfy the following formulae (1) and (2), said ink-jet printing method including the steps of forming characters or images using at least one ink as the first ink, and then forming a background image using the second ink such that the background image is superimposed on at least a part of the characters or images formed by the first ink: [T2?T1]<0 mN/m (1); and [V2?V1]?1.0 mPa·s (2) wherein T2 is the static surface tension of the second ink; T1 is the static surface tension of the first ink; V2 is the viscosity of the second ink as measured at 32° C.; and V1 is the viscosity of the first ink as measured at 32° C.Type: GrantFiled: December 14, 2018Date of Patent: January 10, 2023Assignee: KAO CORPORATIONInventors: Yuta Matsumoto, Azusa Kuroda, Kazuki Ishida
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Patent number: 11515436Abstract: A photovoltaic device includes: a p- or n-type semiconductor substrate; a p-type amorphous semiconductor film and an n-type amorphous semiconductor film on a first-face side; p-electrodes on the p-type amorphous semiconductor film; and n-electrodes on the n-type amorphous semiconductor film, wherein: the p-electrodes and the n-electrodes are arranged at intervals; the p-type amorphous semiconductor film surrounds the n-type amorphous semiconductor film in an in-plane direction of the semiconductor substrate; the n-type amorphous semiconductor film has an edge portion providing an overlapping region where the n-type amorphous semiconductor film overlaps the p-type amorphous semiconductor film; and the n-electrodes are disposed in areas of the n-type amorphous semiconductor film that are surrounded by the overlapping region.Type: GrantFiled: February 9, 2022Date of Patent: November 29, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Teruaki Higo, Chikao Okamoto, Masamichi Kobayashi, Masahito Ishii, Takeshi Mori, Yuta Matsumoto
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Publication number: 20220271178Abstract: A photovoltaic device includes: a p- or n-type semiconductor substrate; a p-type amorphous semiconductor film and an n-type amorphous semiconductor film on a first-face side; p-electrodes on the p-type amorphous semiconductor film; and n-electrodes on the n-type amorphous semiconductor film, wherein: the p-electrodes and the n-electrodes are arranged at intervals; the p-type amorphous semiconductor film surrounds the n-type amorphous semiconductor film in an in-plane direction of the semiconductor substrate; the n-type amorphous semiconductor film has an edge portion providing an overlapping region where the n-type amorphous semiconductor film overlaps the p-type amorphous semiconductor film; and the n-electrodes are disposed in areas of the n-type amorphous semiconductor film that are surrounded by the overlapping region.Type: ApplicationFiled: February 9, 2022Publication date: August 25, 2022Inventors: TERUAKI HIGO, CHIKAO OKAMOTO, MASAMICHI KOBAYASHI, MASAHITO ISHII, TAKESHI MORI, YUTA MATSUMOTO
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Patent number: 11322422Abstract: A vehicle power conversion apparatus according to the present disclosure includes a housing attached to a vehicle, a cooler including a heat receiver that is disposed on the side near the housing and has a heated surface provided with semiconductor elements, and a heat radiator disposed on a surface of the heat receiver opposite to the heated surface, and a position adjusting member to adjust the position of the end of the heat radiator distant from the housing in the direction approaching rigging limit of the vehicle.Type: GrantFiled: June 24, 2019Date of Patent: May 3, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yuta Matsumoto, Hirokazu Takabayashi
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Publication number: 20220049118Abstract: An inkjet ink that includes (A) a terpene phenol resin and (B) an alkanolamine, and which is characterized by extended decap times as well as quick drying properties when applied onto a substrate. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.Type: ApplicationFiled: November 30, 2018Publication date: February 17, 2022Inventors: Yuta MATSUMOTO, Daniel SANDKER
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Patent number: 11247481Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed characters or images which are free of occurrence of white lines or streaks irrespective of irradiation with an active energy ray. The present invention provides an ink-jet printing method including the steps of ejecting at least one ink A selected from the group consisting of a black ink and chromatic inks onto a low-liquid absorbing printing medium and then ejecting a white ink thereonto, in which the ink A contains at least one pigment selected from the group consisting of a black pigment and chromatic pigments, and a polymer dispersant containing a constitutional unit derived from a polyalkylene glycol (meth)acrylate; and the white ink contains titanium oxide and a polymer dispersant containing a constitutional unit derived from a polyalkylene glycol (meth)acrylate.Type: GrantFiled: June 16, 2017Date of Patent: February 15, 2022Assignee: KAO CORPORATIONInventors: Yuta Matsumoto, Kazuki Watanabe, Azusa Kuroda
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Publication number: 20220041873Abstract: An inkjet ink that includes (A) a terpene phenol resin having a hydroxyl value of 46 to 150 mgKOH/g, (B) ethanol, and (C) 1-propanol. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.Type: ApplicationFiled: November 30, 2018Publication date: February 10, 2022Inventors: Yuta MATSUMOTO, Daniel SANDKER
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Patent number: 11072197Abstract: The present invention relates to [1] a process for producing a printed material, including step 1 of subjecting an image-bearing surface of a printed recording medium 1? on which characters or images are formed by analog printing to discharge treatment under specific conditions to obtain a printed recording medium 1, and step 2 of further forming characters or images on the image-bearing surface of the printed recording medium 1 by ink-jet printing using a water-based ink to obtain the printed material, [2] an ink-jet printing method including the step of ejecting a water-based ink onto a printed recording medium 1 by an ink-jetting method to form characters or images thereon, in which the printed recording medium 1 has an image-bearing surface on which characters or images are formed by analog printing, and the image-bearing surface is subjected to discharge treatment under the specific conditions, [3] a recording medium for ink-jet printing, including an image-bearing surface on which characters or images aType: GrantFiled: February 15, 2018Date of Patent: July 27, 2021Assignee: KAO CORPORATIONInventors: Ryuma Mizushima, Yuta Matsumoto, Yasufumi Ueda
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Patent number: 11034177Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed characters or images which are free of thermal deformation of a low-liquid absorbing printing medium as well as occurrence of mottling or color bleeding. The present invention provides an ink-jet printing method including the step of printing characters or images on a low-liquid absorbing printing medium using an ink-jet printing apparatus equipped with an ink-jet print head that is capable of ejecting water-based inks onto the low-liquid absorbing printing medium, in which the water-based inks each contain a colorant (A), an organic solvent (C) and water; the ink-jet printing apparatus is loaded with the two or more kinds of water-based inks which are different in static surface tension from each other; the printing medium is heated to a temperature of from 30 to 75° C.; and the water-based inks are ejected in the sequential order from the water-based ink having a higher static surface tension.Type: GrantFiled: June 16, 2017Date of Patent: June 15, 2021Assignee: KAO CORPORATIONInventors: Azusa Kuroda, Yuta Matsumoto
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Patent number: 11034179Abstract: The present invention relates to [1] a process for producing a printed material, including step 1 of subjecting an image-bearing surface of a printed recording medium 1? on which characters or images are formed by analog printing to discharge treatment under specific conditions to obtain a printed recording medium 1, and step 2 of further forming characters or images on the image-bearing surface of the printed recording medium 1 by ink-jet printing using a water-based ink to obtain the printed material, [2] an ink-jet printing method including the step of ejecting a water-based ink onto a printed recording medium 1 by an ink-jetting method to form characters or images thereon, in which the printed recording medium 1 has an image-bearing surface on which characters or images are formed by analog printing, and the image-bearing surface is subjected to discharge treatment under the specific conditions, [3] a recording medium for ink-jet printing, including an image-bearing surface on which characters or images aType: GrantFiled: February 15, 2018Date of Patent: June 15, 2021Assignee: KAO CORPORATIONInventors: Ryuma Mizushima, Yuta Matsumoto, Yasufumi Ueda
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Patent number: 11031516Abstract: There is provided a photoelectric conversion element which can prevent the contact resistance between a non-crystalline semiconductor layer containing impurities and an electrode formed on the non-crystalline semiconductor layer from increasing, and can improve the element characteristics. A photoelectric conversion element (10) includes a semiconductor substrate (12), a first semiconductor layer (20n), a second semiconductor layer (20p), a first electrode (22n), and a second electrode (22p). The first semiconductor layer has a first conductive type. The second semiconductor layer has a second conductive type. The first electrode is formed on the first semiconductor layer. The second electrode is formed on the second semiconductor layer. The first electrode includes a first transparent conductive layer (26n) formed on the first semiconductor layer, and a first metal layer (28n) formed on the first transparent conductive layer.Type: GrantFiled: October 24, 2014Date of Patent: June 8, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Kenji Kimoto, Naoki Koide, Yuta Matsumoto, Junichi Nakamura
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Publication number: 20210159140Abstract: A vehicle power conversion apparatus according to the present disclosure includes a housing attached to a vehicle, a cooler including a heat receiver that is disposed on the side near the housing and has a heated surface provided with semiconductor elements, and a heat radiator disposed on a surface of the heat receiver opposite to the heated surface, and a position adjusting member to adjust the position of the end of the heat radiator distant from the housing in the direction approaching rigging limit of the vehicle.Type: ApplicationFiled: June 24, 2019Publication date: May 27, 2021Applicant: Mitsubishi Electric CorporationInventors: Yuta MATSUMOTO, Hirokazu TAKABAYASHI
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Patent number: 10960697Abstract: Provided is a gravure printing method by which high printing density and excellent highlight suitability are obtained, even if a gravure plate having high resolution and reduced thickness is used. The gravure printing method comprises: using an aqueous ink having a Zahn cup #3 viscosity at 20° C. of 11.0 seconds or more and 20.0 seconds or less, and having an evaporation rate of 30 mass % or less in a drying test, the drying test involving drying 1 g of the ink at a temperature of 40° C. and an air flow of 1,400 L/min for 30 minutes; and transferring 1 ml/m2 or more and 7 ml/m2 or less of the ink onto a printing medium.Type: GrantFiled: August 3, 2016Date of Patent: March 30, 2021Assignees: THINK LABORATORY CO., LTD., KAO CORPORATIONInventors: Tatsuo Shigeta, Ryuma Mizushima, Yuta Matsumoto, Yasufumi Ueda
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Publication number: 20210071022Abstract: The present invention relates to a water-based ink containing a pigment (A), a water-soluble organic solvent (C), a surfactant (D) and water, in which a content of water in the water-based ink is not less than 40% by mass and not more than 65% by mass, a boiling point of the water-soluble organic solvent (C) is not higher than 230° C., and a content of a high-boiling point organic solvent having a boiling point of not lower than 250° C. in the water-based ink is not more than 4% by mass, and the surfactant (D) contains a silicone-based surfactant (d-1) and an acetylene glycol-based surfactant (d-2) which satisfy the following conditions 1 and 2: Condition 1: [(content of component (d-1))/(content of component (C))]×100=0.15 to 4; and Condition 2: [(content of component (d-2))/(content of component (C))]×100=0.35 to 1.65.Type: ApplicationFiled: December 12, 2018Publication date: March 11, 2021Applicant: KAO CORPORATIONInventors: Azusa KURODA, Yuta MATSUMOTO
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Publication number: 20210071021Abstract: The present invention relates to an ink-jet printing method of overprinting a first ink and a second ink on a low-liquid absorbing printing medium, in which the first ink and the second ink are respectively in the form of a water-based ink containing a colorant (A), a polymer (B), an organic solvent (C) and water, and satisfy the following formulae (1) and (2), said ink-jet printing method including the steps of forming characters or images using at least one ink as the first ink, and then forming a background image using the second ink such that the background image is superimposed on at least a part of the characters or images formed by the first ink: [T2?T1]<0 mN/m (1); and [V2?V1]?1.0 mPa·s (2) wherein T2 is the static surface tension of the second ink; T1 is the static surface tension of the first ink; V2 is the viscosity of the second ink as measured at 32° C.; and V1 is the viscosity of the first ink as measured at 32° C.Type: ApplicationFiled: December 14, 2018Publication date: March 11, 2021Applicant: KAO CORPORATIONInventors: Yuta MATSUMOTO, Azusa KURODA, Kazuki ISHIDA
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Patent number: 10829651Abstract: Provided is an aqueous gravure ink that is environmentally friendly, allows high-resolution printing by virtue of its excellent highlight suitability, and is excellent in drying property. The aqueous gravure ink comprises: a pigment; a polymer; a water-soluble organic solvent; a surfactant; and water, in which the water-soluble organic solvent has a boiling point of 100° C. or more and 260° C. or less, in which a content of the water-soluble organic solvent in the aqueous gravure ink is 10 mass % or more and 35 mass % or less, and in which a content of the water in the aqueous gravure ink is 50 mass % or more and 70 mass % or less.Type: GrantFiled: August 3, 2016Date of Patent: November 10, 2020Assignees: THINK LABORATORY CO., LTD., Kao CorporationInventors: Tatsuo Shigeta, Ryuma Mizushima, Yuta Matsumoto, Yasufumi Ueda
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Publication number: 20200166575Abstract: A monitoring device for an electric vehicle to monitor a blower for cooling a device installed in an electric vehicle includes: a dq-component separation unit that separates an instantaneous value of a motor current that flows to a motor of the blower into a d-axis current component and a q-axis current component; a mechanical-angle rotation-frequency component extraction unit that extracts a mechanical-angle rotation frequency component from an instantaneous value of the q-axis current component, the mechanical-angle rotation frequency component being a rotation frequency component where a rotation angle of the motor is expressed in a mechanical angle; and an abnormality determination unit that determines whether or not the blower is abnormal on the basis of magnitude of the mechanical-angle rotation frequency component.Type: ApplicationFiled: July 4, 2017Publication date: May 28, 2020Applicant: Mitsubishi Electric CorporationInventors: Yasutaka IMAMURA, Yuta MATSUMOTO, Hisanori YAMASAKI
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Patent number: 10618308Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a transparent resin printing medium using a water-based ink containing a white ink, and a black or chromatic ink.Type: GrantFiled: February 2, 2017Date of Patent: April 14, 2020Assignees: KAO CORPORATION, THINK LABORATORY CO., LTD.Inventors: Yuta Matsumoto, Kazuki Watanabe, Yasufumi Ueda, Tatsuo Shigeta