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).

  • Publication number: 20240122521
    Abstract: 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 correspo
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Inventors: Kaoru HATANO, Mineki TAKECHI, Tomohiro TAKATA, Hirohisa TANIGUCHI, Yuichi TAMURA
  • Patent number: 11597829
    Abstract: 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: Grant
    Filed: October 12, 2017
    Date of Patent: March 7, 2023
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Yuichi Taniguchi, Kyohei Kano
  • Patent number: 11427707
    Abstract: 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: Grant
    Filed: September 20, 2018
    Date of Patent: August 30, 2022
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Yasuyuki Takao, Yuichi Taniguchi
  • Patent number: 11390708
    Abstract: 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: Grant
    Filed: February 25, 2019
    Date of Patent: July 19, 2022
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Kyohei Kano, Yuichi Taniguchi
  • Patent number: 11332608
    Abstract: 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: Grant
    Filed: December 4, 2017
    Date of Patent: May 17, 2022
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Yuichi Taniguchi, Yasuyuki Takao
  • Patent number: 11198960
    Abstract: 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: Grant
    Filed: March 19, 2018
    Date of Patent: December 14, 2021
    Assignee: SEIREN CO., LTD.
    Inventors: Yuichi Taniguchi, Isao Honda
  • Publication number: 20210317805
    Abstract: 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: Application
    Filed: March 2, 2021
    Publication date: October 14, 2021
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Jiro KATO, Taichi MASUOKA, Yuichi TANIGUCHI, Taketoshi YAMAUCHI, Hirofumi SHINOHARA, Akito KUMAMOTO, Takashi MIYAMOTO, Tatsuhiro ISHIDA
  • Patent number: 11142610
    Abstract: 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: Grant
    Filed: December 1, 2017
    Date of Patent: October 12, 2021
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Kyohei Kano, Yuichi Taniguchi
  • Publication number: 20210054137
    Abstract: 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: Application
    Filed: February 25, 2019
    Publication date: February 25, 2021
    Applicant: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Kyohei Kano, Yuichi Taniguchi
  • Publication number: 20210010920
    Abstract: 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: Application
    Filed: December 27, 2018
    Publication date: January 14, 2021
    Applicant: RIKEN
    Inventors: Yuichi TANIGUCHI, Masae JOHMURA
  • Publication number: 20200255651
    Abstract: 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: Application
    Filed: September 20, 2018
    Publication date: August 13, 2020
    Inventors: Yasuyuki Takao, Yuichi Taniguchi
  • Publication number: 20200239625
    Abstract: 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: Application
    Filed: September 12, 2018
    Publication date: July 30, 2020
    Inventors: Kyohei Kano, Yuichi Taniguchi
  • Patent number: 10712547
    Abstract: 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: Grant
    Filed: January 30, 2019
    Date of Patent: July 14, 2020
    Assignee: RIKEN
    Inventors: Yuichi Taniguchi, Kazuya Nishimura
  • Publication number: 20200190713
    Abstract: 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: Application
    Filed: March 19, 2018
    Publication date: June 18, 2020
    Applicant: SEIREN CO., LTD.
    Inventors: Yuichi Taniguchi, Isao Honda
  • Patent number: 10647826
    Abstract: 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: Grant
    Filed: September 30, 2016
    Date of Patent: May 12, 2020
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Yuichi Taniguchi, Kyohei Kano, Naoki Yokoyama
  • Publication number: 20200109233
    Abstract: 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: Application
    Filed: December 1, 2017
    Publication date: April 9, 2020
    Inventors: Kyohei Kano, Yuichi Taniguchi
  • Publication number: 20200062949
    Abstract: 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: Application
    Filed: December 4, 2017
    Publication date: February 27, 2020
    Inventors: Yuichi Taniguchi, Yasuyuki Takao
  • Publication number: 20190233633
    Abstract: 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: Application
    Filed: October 12, 2017
    Publication date: August 1, 2019
    Applicant: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Yuichi TANIGUCHI, Kyohei KANO
  • Publication number: 20190162943
    Abstract: 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: Application
    Filed: January 30, 2019
    Publication date: May 30, 2019
    Applicant: RIKEN
    Inventors: Yuichi TANIGUCHI, Kazuya NISHIMURA
  • Patent number: 10222601
    Abstract: 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: Grant
    Filed: December 27, 2017
    Date of Patent: March 5, 2019
    Assignee: RIKEN
    Inventors: Yuichi Taniguchi, Kazuya Nishimura