Patents by Inventor Yuichi Taniguchi
Yuichi Taniguchi 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: 20240122521Abstract: An electrocardiogram analyzing apparatus has: an acquiring section acquiring a plurality of electrocardiogram waveforms; a classifying section classifying the plurality of electrocardiogram waveforms into a plurality of groups on a basis of shape similarity; an accepting section accepting a reference position of a predetermined type of wave designated on a representative waveform corresponding to at least one electrocardiogram waveform belonging to a selection group selected from the plurality of groups; and an analyzing section identifying correspondence between a plurality of positions, along a time axis, on the representative waveform of a group to which a subject-of-analysis electrocardiogram waveform belongs, and a plurality of positions on the subject-of-analysis electrocardiogram waveform along a time axis, and decides, as a position of the predetermined type of wave included in the subject-of-analysis electrocardiogram waveform, a position on the subject-of-analysis electrocardiogram waveform correspoType: ApplicationFiled: December 26, 2023Publication date: April 18, 2024Inventors: Kaoru HATANO, Mineki TAKECHI, Tomohiro TAKATA, Hirohisa TANIGUCHI, Yuichi TAMURA
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Patent number: 11597829Abstract: Provided is a resin composition that exhibits satisfactory impregnability into reinforcing fibers, while having rapid curability, and that is suitable for fiber-reinforced composite materials producing molded articles having high heat resistance. A two-pack resin composition for fiber-reinforced composite materials is configured of a base material including an epoxy resin (A) and a (meth)acrylate compound (B) having three or more (meth)acryloyl groups in a molecule, and a curing agent including an amine compound (C) represented by the following general formula (1), a mass ratio of the base material to the curing agent being within the range of from 85:15 to 65:35, Wherein the epoxy resin (A) includes 75% by mass to 100% by mass of a bisphenol A epoxy resin; the base material has a viscosity of 10,000 mPa·s or less; and the curing agent has a viscosity of 800 mPa·s or less. X—(CH2NH2)n (1) (In the formula, X represents an n-valent organic group having 1 to 16 carbon atom; and n represents 2 or 3).Type: GrantFiled: October 12, 2017Date of Patent: March 7, 2023Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Yuichi Taniguchi, Kyohei Kano
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Patent number: 11427707Abstract: Provided is a resin composition for a fiber-reinforced composite material that has low tackiness when turned into a prepreg, has satisfactory handleability, and can be suppressed in deformation at the time of its release from a mold in a PCM method. The resin composition is a resin composition for a fiber-reinforced composite material including, as essential components: a liquid epoxy resin (A); a novolac-type epoxy resin (B); a polymer component (C) having a molecular weight of 10,000 or more; dicyandiamide (D); and an imidazole-based curing aid (E), wherein the resin composition includes 10 parts by mass to 35 parts by mass of the liquid epoxy resin (A), and 10 parts by mass to 25 parts by mass of the polymer component (C) out of 100 parts by mass of the total of the components (A) to (E), and has a glass transition temperature of 0° C. or more before its curing.Type: GrantFiled: September 20, 2018Date of Patent: August 30, 2022Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Yasuyuki Takao, Yuichi Taniguchi
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Patent number: 11390708Abstract: The present invention has an object to provide a resin composition for fiber-reinforced composite materials that excels in rapid curability without impairing low viscosity and heat resistance. A two-component curable resin for fiber-reinforced composite materials is provided, which is configured of a base material including an epoxy resin (A) and a curing agent including an amine compound (B) selected from either norbornane diamine or triethylenetetramine and a phenol compound (C), and in which a mass ratio of the base material to the curing agent is within the range of from 90:10 to 70:30, and the phenol compound (C) includes a phenol compound including two or more phenolic hydroxyl groups and is contained at 5% by weight to 35% by weight in the curing agent. A fiber-reinforced composite material is obtained by mixing reinforcing fibers in the resin composition for fiber-reinforced composite materials.Type: GrantFiled: February 25, 2019Date of Patent: July 19, 2022Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Kyohei Kano, Yuichi Taniguchi
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Patent number: 11332608Abstract: A resin composition for a fiber-reinforced composite material that makes it possible to improve productivity by suppressing deformation at the time of removal from a mold, in particular, in the PCM method, while achieving both rapid curing and storage stability. The resin composition for a fiber-reinforced composite material includes an epoxy resin (A) including a phenol novolac epoxy resin and a bisphenol A epoxy resin; a phenoxy resin (B); dicyandiamide (C); an imidazole-based curing aid (D); and a phenol-based curing accelerator (E) as essential components, wherein the phenol novolac epoxy resin of the epoxy resin (A) constitutes 40 parts by mass to 75 parts by mass, the bisphenol A epoxy resin constitutes 10 parts by mass to 35 parts by mass, and the phenoxy resin (B) constitutes 5 parts by mass to 15 parts by mass in the total of 100 parts by mass of the components (A) to (E).Type: GrantFiled: December 4, 2017Date of Patent: May 17, 2022Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Yuichi Taniguchi, Yasuyuki Takao
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Patent number: 11198960Abstract: A warp knitted fabric formed of yarns fed from at least three guide bars including front, middle, and back guide bars, in which a back yarn fed from the back guide bar forms a cord knit texture, a front yarn fed from the front guide bar and a middle yarn fed from the middle guide bar are arranged alternately in a weft direction, each of the front yarn and the middle yarn forms a stitch formation texture (a denbigh knit texture or a cord knit texture) and an insertion texture alternately in a warp direction, and the insertion texture formed by the front yarn and the insertion texture formed by the middle yarn are arranged alternately at least in the warp direction so that the front yarn and the middle yarn are exposed alternately at least in the warp direction on sinker loops of the back yarn.Type: GrantFiled: March 19, 2018Date of Patent: December 14, 2021Assignee: SEIREN CO., LTD.Inventors: Yuichi Taniguchi, Isao Honda
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Publication number: 20210317805Abstract: An EGR system comprising at least one of an EGR cooler and an EGR valve is arranged above an intake manifold. A pair of facing surfaces which face each other with a space are provided at the EGR system attached to the intake manifold and the intake manifold. A damper plate having elasticity is arranged between these facing surfaces. The damper plate is configured to have a larger thickness than the above-described space and have a smaller Young's modulus than each of a lower-side facing-surface portion and an upper-side facing-surface portion, and the damper plate is clamped between the lower-side facing-surface portion and the upper-side facing-surface portion.Type: ApplicationFiled: March 2, 2021Publication date: October 14, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Jiro KATO, Taichi MASUOKA, Yuichi TANIGUCHI, Taketoshi YAMAUCHI, Hirofumi SHINOHARA, Akito KUMAMOTO, Takashi MIYAMOTO, Tatsuhiro ISHIDA
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Patent number: 11142610Abstract: Provided is a resin composition that has satisfactory impregnability into reinforcing fibers due to low viscosity and small viscosity increase even in an impregnation process performed for a long time. The resin composition being suitable as a matrix resin for a fiber-reinforced composite material for producing a cured molded article that has toughness and fatigue resistance. The resin composition for a fiber-reinforced composite material includes an epoxy resin, an acid anhydride-based curing agent, an imidazole-based curing accelerator, a radically polymerizable monomer, and a radical polymerization initiator as essential components, has a viscosity at 25° C. that falls within a range of 50 mPa·s to 800 mPa·s as measured by an E-type viscometer, and exhibits a viscosity increase ratio of 200% or less after 8 h at 25° C., wherein 50% by mass or more of the acid anhydride-based curing agent is an alicyclic acid anhydride having no olefinic unsaturated bond.Type: GrantFiled: December 1, 2017Date of Patent: October 12, 2021Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Kyohei Kano, Yuichi Taniguchi
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Publication number: 20210054137Abstract: The present invention has an object to provide a resin composition for fiber-reinforced composite materials that excels in rapid curability without impairing low viscosity and heat resistance. A two-component curable resin for fiber-reinforced composite materials is provided, which is configured of a base material including an epoxy resin (A) and a curing agent including an amine compound (B) selected from either norbornane diamine or triethylenetetramine and a phenol compound (C), and in which a mass ratio of the base material to the curing agent is within the range of from 90:10 to 70:30, and the phenol compound (C) includes a phenol compound including two or more phenolic hydroxyl groups and is contained at 5% by weight to 35% by weight in the curing agent. A fiber-reinforced composite material is obtained by mixing reinforcing fibers in the resin composition for fiber-reinforced composite materials.Type: ApplicationFiled: February 25, 2019Publication date: February 25, 2021Applicant: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Kyohei Kano, Yuichi Taniguchi
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Publication number: 20210010920Abstract: The spectroscopic analysis device (1) includes an imaging section (70), an optical scanning section, and an analyzing section (80). The imaging section (70) is capable of imaging a plurality of molecules (26), which are contained in a sample (25), at a single-molecule level. The optical scanning section is capable of relatively moving a conjugate plane (72) of an imaging plane (71) of the imaging section (70) to scan the sample (25). The analyzing section (80) is capable of obtaining a concentration of the plurality of molecules (26) by analyzing an image of the plurality of molecules (26) which image has been obtained by the imaging section (70). Therefore, it is possible to accurately measure, by using the spectroscopic analysis device (1), the concentration of the plurality of molecules (26) which are thinly distributed in the sample (25) having a relatively large volume.Type: ApplicationFiled: December 27, 2018Publication date: January 14, 2021Applicant: RIKENInventors: Yuichi TANIGUCHI, Masae JOHMURA
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Publication number: 20200255651Abstract: Provided is a resin composition for a fiber-reinforced composite material that has low tackiness when turned into a prepreg, has satisfactory handleability, and can be suppressed in deformation at the time of its release from a mold in a PCM method. The resin composition is a resin composition for a fiber-reinforced composite material including, as essential components: a liquid epoxy resin (A); a novolac-type epoxy resin (B); a polymer component (C) having a molecular weight of 10,000 or more; dicyandiamide (D); and an imidazole-based curing aid (E), wherein the resin composition includes 10 parts by mass to 35 parts by mass of the liquid epoxy resin (A), and 10 parts by mass to 25 parts by mass of the polymer component (C) out of 100 parts by mass of the total of the components (A) to (E), and has a glass transition temperature of 0° C. or more before its curing.Type: ApplicationFiled: September 20, 2018Publication date: August 13, 2020Inventors: Yasuyuki Takao, Yuichi Taniguchi
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Publication number: 20200239625Abstract: The resin composition is a resin composition for a fiber-reinforced composite material including: a main agent containing an epoxy resin (A) and an acrylate compound (B) having 4 or more acryloyl groups in a molecule thereof; and a curing agent containing an amine compound (C) represented by the following general formula (1), the resin composition being a two-component curable resin composition including the main agent and the curing agent at a mass ratio in the range of from 90:10 to 65:35, wherein the main agent has a viscosity at 25° C. measured with an E-type viscometer of 20,000 mPa·s or less, and wherein the curing agent has a viscosity at 25° C. measured with the E-type viscometer of 800 mPa·s or less: X—(CH2NH2)n ??(1) where X represents an n-valent organic group having 1 to 16 carbon atoms, and “n” represents 2 or 3.Type: ApplicationFiled: September 12, 2018Publication date: July 30, 2020Inventors: Kyohei Kano, Yuichi Taniguchi
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Patent number: 10712547Abstract: A microscope includes: a sample placement part having a placement surface on which to place a sample and a bottom face opposite to the placement surface; an observation lens; and an optical unit for generating sheet light and use of the microscope. The microscope of an embodiment is arranged such that the sheet light enters the sample placement part from the bottom face and passing through the sample placement part to irradiate the sample, and fluorescence from the sample passes through the sample placement part toward the bottom face to be received by the observation lens. The microscope can, with this arrangement, utilize the advantages of a SPIM, and allows observation of a sample which observation is free from a restriction of the size of a sample.Type: GrantFiled: January 30, 2019Date of Patent: July 14, 2020Assignee: RIKENInventors: Yuichi Taniguchi, Kazuya Nishimura
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Publication number: 20200190713Abstract: Provided is a warp knitting fabric having an appearance of a woven fabric and an excellent tear strength. A warp knitted fabric formed of yarns fed from at least three guide bars including front, middle, and back guide bars, in which a back yarn 3 fed from the back guide bar forms a cord knit texture, a front yarn 1 fed from the front guide bar and a middle yarn 2 fed from the middle guide bar are arranged alternately in a weft direction, each of the front yarn 1 and the middle yarn 2 forms a stitch formation texture (a denbigh knit texture or a cord knit texture) and an insertion texture alternately in a warp direction, and the insertion texture 20 formed by the front yarn 1 and the insertion texture 21 formed by the middle yarn 2 are arranged alternately at least in the warp direction so that the front yarn 1 and the middle yarn 2 are exposed alternately at least in the warp direction on sinker loops of the back yarn 3.Type: ApplicationFiled: March 19, 2018Publication date: June 18, 2020Applicant: SEIREN CO., LTD.Inventors: Yuichi Taniguchi, Isao Honda
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Patent number: 10647826Abstract: Provided is a resin composition to be suitably used as the matrix resin of a fiber-reinforced composite material excellent in fatigue resistance. In the resin composition for a fiber-reinforced composite material, 50 mass % or more of an epoxy resin (A) includes a phenol novolac-type epoxy resin containing a compound represented by the following general formula (1) and a compound represented by the following general formula (2), and in gel permeation chromatography measurement, the phenol novolac-type epoxy resin contains a body corresponding to m=0 at a ratio of 75% by area or more and a body corresponding to m=1 at a ratio of 6% by area or less.Type: GrantFiled: September 30, 2016Date of Patent: May 12, 2020Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Yuichi Taniguchi, Kyohei Kano, Naoki Yokoyama
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Publication number: 20200109233Abstract: Provided is a resin composition that has satisfactory impregnability into reinforcing fibers due to low viscosity and small viscosity increase even in an impregnation process performed for a long time. The resin composition being suitable as a matrix resin for a fiber-reinforced composite material for producing a cured molded article that has toughness and fatigue resistance. The resin composition for a fiber-reinforced composite material includes an epoxy resin, an acid anhydride-based curing agent, an imidazole-based curing accelerator, a radically polymerizable monomer, and a radical polymerization initiator as essential components, has a viscosity at 25° C. that falls within a range of 50 mPa·s to 800 mPa·s as measured by an E-type viscometer, and exhibits a viscosity increase ratio of 200% or less after 8 h at 25° C., wherein 50% by mass or more of the acid anhydride-based curing agent is an alicyclic acid anhydride having no olefinic unsaturated bond.Type: ApplicationFiled: December 1, 2017Publication date: April 9, 2020Inventors: Kyohei Kano, Yuichi Taniguchi
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Publication number: 20200062949Abstract: A resin composition for a fiber-reinforced composite material that makes it possible to improve productivity by suppressing deformation at the time of removal from a mold, in particular, in the PCM method, while achieving both rapid curing and storage stability. The resin composition for a fiber-reinforced composite material includes an epoxy resin (A) including a phenol novolac epoxy resin and a bisphenol A epoxy resin; a phenoxy resin (B); dicyandiamide (C); an imidazole-based curing aid (D); and a phenol-based curing accelerator (E) as essential components, wherein the phenol novolac epoxy resin of the epoxy resin (A) constitutes 40 parts by mass to 75 parts by mass, the bisphenol A epoxy resin constitutes 10 parts by mass to 35 parts by mass, and the phenoxy resin (B) constitutes 5 parts by mass to 15 parts by mass in the total of 100 parts by mass of the components (A) to (E).Type: ApplicationFiled: December 4, 2017Publication date: February 27, 2020Inventors: Yuichi Taniguchi, Yasuyuki Takao
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Publication number: 20190233633Abstract: Provided is a resin composition that exhibits satisfactory impregnability into reinforcing fibers, while having rapid curability, and that is suitable for fiber-reinforced composite materials producing molded articles having high heat resistance. A two-pack resin composition for fiber-reinforced composite materials is configured of a base material including an epoxy resin (A) and a (meth)acrylate compound (B) having three or more (meth) acryloyl groups in a molecule, and a curing agent including an amine compound (C) represented by the following general formula (1), a mass ratio of the base material to the curing agent being within the range of from 35:15 to 65:35, Wherein the epoxy resin (A) includes 75% by mass to 100% by mass of a bisphenol A epoxy resin; the base material has a viscosity of 10,000 mPa·s or less; and the curing agent has a viscosity of 800 mPa·s or less. X—(CH2NH2)n (1) (In the formula, X represents an n-valent organic group having 1 to 16 carbon atom; and n represents 2 or 3).Type: ApplicationFiled: October 12, 2017Publication date: August 1, 2019Applicant: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Yuichi TANIGUCHI, Kyohei KANO
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Publication number: 20190162943Abstract: A microscope includes: a sample placement part having a placement surface on which to place a sample and a bottom face opposite to the placement surface; an observation lens; and an optical unit for generating sheet light and use of the microscope. The microscope of an embodiment is arranged such that the sheet light enters the sample placement part from the bottom face and passing through the sample placement part to irradiate the sample, and fluorescence from the sample passes through the sample placement part toward the bottom face to be received by the observation lens. The microscope can, with this arrangement, utilize the advantages of a SPIM, and allows observation of a sample which observation is free from a restriction of the size of a sample.Type: ApplicationFiled: January 30, 2019Publication date: May 30, 2019Applicant: RIKENInventors: Yuichi TANIGUCHI, Kazuya NISHIMURA
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Patent number: 10222601Abstract: A microscope includes: a sample placement part having a placement surface on which to place a sample and a bottom face opposite to the placement surface; an observation lens; and an optical unit for generating sheet light and use of the microscope. The microscope of an embodiment is arranged such that the sheet light enters the sample placement part from the bottom face and passing through the sample placement part to irradiate the sample, and fluorescence from the sample passes through the sample placement part toward the bottom face to be received by the observation lens. The microscope can, with this arrangement, utilize the advantages of a SPIM, and allows observation of a sample which observation is free from a restriction of the size of a sample.Type: GrantFiled: December 27, 2017Date of Patent: March 5, 2019Assignee: RIKENInventors: Yuichi Taniguchi, Kazuya Nishimura