Patents by Inventor Makoto Endo

Makoto Endo 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: 20150210813
    Abstract: A prepreg includes; sizing agent-coated carbon fibers coated with a sizing agent; and a thermosetting resin composition impregnated into the sizing agent-coated carbon fibers. The sizing agent includes an aliphatic epoxy compound (A) and an aromatic compound (B) at least containing an aromatic epoxy compound (B1). The thermosetting resin composition includes a thermosetting resin (D) and a latent hardener (E), and optionally includes an additive (F) other than the thermosetting resin (D) and the latent hardener (E). The (a)/(b) ratio is within a predetermined range where (a) is the height of a component at a binding energy assigned to CHx, C—C, and C?C and (b) is the height of a component at a binding energy assigned to C—O in a C1s core spectrum of the surfaces of the sizing agent-coated carbon fibers analyzed by X-ray photoelectron spectroscopy.
    Type: Application
    Filed: July 16, 2013
    Publication date: July 30, 2015
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Nobuyuki Arai, Tomoko Ichikawa, Hiroshi Taiko, Makoto Endo, Masanobu Kobayashi, Jun Misumi
  • Publication number: 20150200055
    Abstract: The present invention is aimed to improve the poor insulation of the laminate-type ceramic electronic component having dielectric ceramic layers of 0.5 ?m or less. A laminate-type ceramic electronic component which is a laminated body having a laminated structure formed by laminating the first ceramic parts and the internal electrode layers alternately. The first ceramic parts have a main ingredient of ABO3 representing a perovskite-type crystal in which site A contains at least Ba and site B contains at least Ti. The laminate-type ceramic electronic component has external electrodes which are connected with the internal electrodes. The end edge parts of the internal electrodes other than the end connected with the external electrodes are connected with the second ceramic parts. The second ceramic parts contain aluminum oxide as a main ingredient.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 16, 2015
    Inventors: Keisuke ISHIDA, Koichi YAMAGUCHI, Makoto ENDO, Shimpei TANABE
  • Patent number: 9083310
    Abstract: A laminated structural type balun includes a low pass filter that is provided between an unbalanced terminal inputting and outputting unbalanced signals and a first balanced terminal inputting and outputting balanced signals and includes a first coil and a first capacitor; and a high pass filter that is provided between the unbalanced terminal and a second balanced terminal inputting and outputting balanced signals and includes a second capacitor and a second coil. The first capacitor and the second capacitor are arranged in a different area from the first coil and the second coil in a laminated direction.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: July 14, 2015
    Assignee: TDK CORPORATION
    Inventor: Makoto Endo
  • Patent number: 9077059
    Abstract: A thin film balun that can be made smaller and thinner while maintaining required balun characteristics is provided. A thin film balun 1 includes: an unbalanced transmission line UL including a first coil portion C1 and a second coil portion C2; a balanced transmission line BL including a third coil portion C3 and a fourth coil portion C4 that are positioned facing and magnetically coupled to the first coil portion C1 and the second coil portion C2 respectively; an unbalanced terminal UT connected to the first coil portion C1; a ground terminal G connected to the second coil portion C2 via a C component D; and an electrode D2 connected to the ground terminal G and facing a part of the second coil portion C2. The C component D is formed by the electrode D2 and the part D1 of the second coil portion C2.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: July 7, 2015
    Assignee: TDK CORPORATION
    Inventor: Makoto Endo
  • Patent number: 9076599
    Abstract: A compact laminated ceramic electronic component having superior moisture resistance and electrical properties is provided. A laminated ceramic electronic component 1 includes an inner layer portion that contains a plurality of dielectric layers 2a and internal electrode layers 3 comprising Ni as a main component that are laminated alternately, and a pair of dielectric outer layer portions 2b which sandwich the inner layer portions. And Ni particles are segregated in the dielectric outer layer portions 2b. And the amount of Ni particles existing in the dielectric layers 2a is smaller than that in the dielectric outer layer portions 2b.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: July 7, 2015
    Assignee: TDK Corporation
    Inventors: Makoto Endo, Hirobumi Tanaka, Osamu Kido
  • Publication number: 20150184333
    Abstract: A prepreg is formed by impregnating sizing agent-coated carbon fibers coated with a sizing agent with a thermosetting resin composition. The sizing agent contains an aliphatic epoxy compound (A) and an aromatic compound (B) at least containing an aromatic epoxy compound (B1). The sizing agent-coated carbon fibers has an (a)/(b) ratio of 0.50 to 0.90 where (a) is a height (cps) of a component at a binding energy (284.6 eV) assigned to CHx, C—C, and C?C and (b) is a height (cps) of a component at a binding energy (286.1 eV) assigned to C—O in a C1s core spectrum of a surface of the sizing agent applied onto the carbon fibers analyzed by X-ray photoelectron spectroscopy using AlK?1,2 as an X-ray source at a photoelectron takeoff angle of 15°.
    Type: Application
    Filed: July 16, 2013
    Publication date: July 2, 2015
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Nobuyuki Arai, Tomoko Ichikawa, Hiroshi Taiko, Makoto Endo, Masanobu Kobayashi, Jun Misumi
  • Publication number: 20150055273
    Abstract: A laminate-type ceramic electric component such as laminated ceramic capacitor which has excellent mechanical strength and also has thermal shock resistance at the same time is provided. A laminate-type ceramic electronic component comprises an inner layer part, in which dielectric layers comprising ABO3 (which represents a perovskite crystal in which A contains at least Ba and B contains at least Ti) as a main component and internal electrode layers are alternately laminated; and a pair of outer layer parts which sandwich the inner layer part, wherein the outer layer parts comprise a continuous film containing a Ba—Si—Ti—O based crystal phase.
    Type: Application
    Filed: August 18, 2014
    Publication date: February 26, 2015
    Inventors: Makoto ENDO, Koichi YAMAGUCHI, Keisuke ISHIDA
  • Publication number: 20140342144
    Abstract: The carbon fiber forming raw material is a carbon fiber forming raw material (Z) as a prepreg including sizing agent-coated carbon fibers and a thermosetting resin or a carbon fiber forming raw material (Y) as a forming material that includes sizing agent-coated carbon fibers and has a woven fabric form or a braid form. The sizing agent includes components (A) and (B). The component (A) is an epoxy compound having two or more epoxy groups or two or more types of functional groups. The component (B) is one or more compounds selected from the group consisting of a tertiary amine compound, a tertiary amine salt, a quaternary ammonium salt, a quaternary phosphonium salt, and a phosphine compound. The component (B) is contained in an amount of 0.1 to 25 parts by mass relative to 100 parts by mass of the component (A).
    Type: Application
    Filed: November 12, 2012
    Publication date: November 20, 2014
    Inventors: Yoshifumi Nakayama, Toshiya Kamae, Daigo Kobayashi, Makoto Endo
  • Publication number: 20140329075
    Abstract: Sizing agent-coated carbon fibers includes: a sizing agent including an aliphatic epoxy compound (A) and at least containing an aromatic epoxy compound (B1) as an aromatic compound (B); and carbon fibers coated with the sizing agent, wherein the sizing agent-coated carbon fibers have an (a)/(b) ratio of 0.50 to 0.90 where (a) is a height (cps) of a component at a binding energy (284.6 eV) assigned to CHx, C—C, and C?C and (b) is a height (cps) of a component at a binding energy (286.1 eV) assigned to C—O in a C1s core spectrum of a surface of the sizing agent applied onto the carbon fibers analyzed by X-ray photoelectron spectroscopy using AlK?1,2 as an X-ray source at a photoelectron takeoff angle of 15°.
    Type: Application
    Filed: December 18, 2012
    Publication date: November 6, 2014
    Inventors: Tomoko Ichikawa, Makoto Endo, Hiroshi Taiko, Masanobu Kobayashi, Nobuyuki Arai, Jun Misumi
  • Patent number: 8822029
    Abstract: A polyacrylonitrile-based polymer which satisfies at least one of [a] to [d]: [a] Z-average molecular weight (Mz) determined by gel-permeation chromatograph is 800,000 to 6,000,000 and degree of polydispersity (Mz/Mw) (Mw denotes weight average molecular weight) is 3.0 to 10.0; [b] Z+1-average molecular weight (Mz+1) determined by GPC method is 3,000,000 to 10,000,000 and degree of polydispersity (Mz+1/Mw) is 6.0 to 25.0; [c] Mzm determined by gel-permeation chromatograph multi-angle laserlight scattering photometry is 400,000 to 1,000,000 and degree of polydispersity (Mzm/Mwm) is 3.0 to 10.0; and [d] Z-average radius of gyration (Rz) determined by gel-permeation chromatograph multi-angle laserlight scattering photometry is 25 to 45 nm and its ratio to weight average radius of gyration (Rz/Rw) is 1.3 to 2.5.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: September 2, 2014
    Assignee: Toray Industries, Inc.
    Inventors: Fumihiko Tanaka, Makoto Endo, Yuuki Okishima
  • Publication number: 20140228519
    Abstract: Provided are a carbon fiber-reinforced thermoplastic resin composition excellent in interfacial adhesion between carbon fiber and a thermoplastic resin and excellent in dynamic characteristics, and a molding material, a prepreg, and a method for producing the same. The carbon fiber-reinforced thermoplastic resin composition includes the following components (A) and (B), carbon fiber and a thermoplastic resin; component (A): (A1) a bifunctional or higher functional epoxy compound and/or (A2) an epoxy compound which has a monofunctional or higher epoxy group and has one or more taypes of functional groups selected from a hydroxyl group, an amide group, an imide group, a urethane group, a urea group, a sulfonyl group and a sulfo group; and component (B): 0.
    Type: Application
    Filed: September 21, 2012
    Publication date: August 14, 2014
    Inventors: Yoshifumi Nakayama, Toshiya Kamae, Daigo Kobayashi, Makoto Endo
  • Patent number: 8674045
    Abstract: A carbon fiber precursor fiber having a weight average molecular weight Mw(F) of 200,000 to 700,000 and a degree of polydispersity MZ(F)/Mw(F), wherein MZ(F) indicates Z-average molecular weight of the fiber, of 2 to 5.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: March 18, 2014
    Assignee: Toray Industries, Inc.
    Inventors: Fumihiko Tanaka, Makoto Endo
  • Patent number: 8652984
    Abstract: A dielectric ceramic composition comprising a main component and at least one or more subcomponent elements has a dielectric particle and a grain boundary. The dielectric particle has a main component phase substantially composed of the main component, and a diffusive phase around the main component phase where at least one selected from the subcomponent elements is diffused, a local minimal value of Cs is located at an outside edge side with respect to a position of the local maximum value of Cs, and Cs is increased from a position of the local minimal value of Cs toward the outside edge, when the dielectric particle is cut on an arbitrary cutting plane including the main component phase, and Cs is defined as a concentration of one or more elements selected from the subcomponent elements in an arbitrary position in the dielectric particle.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: February 18, 2014
    Assignee: TDK Corporation
    Inventors: Makoto Endo, Osamu Kido, Hirobumi Tanaka, Taisuke Masuko, Yusuke Sato
  • Patent number: 8653904
    Abstract: A thin film balun of the present invention comprises: an unbalanced transmission line UL including a first line portion L1 and a second line portion L2; a balanced transmission line BL including a third line portion L3 and a fourth line portion L4 that are positioned facing the first line portion L1 and the second line portion L2 and electromagnetically coupled to the first line portion L1 and the second line portion L2, respectively; an unbalanced terminal UT connected to an end of the first line portion L1; a first balanced terminal BT1 connected to the third line portion L3; a second balanced terminal BT2 connected to the fourth line portion L4; and a ground terminal G connected to the third line portion L3 and the fourth line portion L4, wherein the ground terminal G has an extension that extends from the ground terminal G to an area at the unbalanced terminal UT side.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: February 18, 2014
    Assignee: TDK Corporation
    Inventor: Makoto Endo
  • Patent number: 8648667
    Abstract: A thin film balun that can be made smaller and thinner while maintaining required balun characteristics is provided. A thin film balun 1 includes: an unbalanced transmission line UL including a first coil portion C1 and a second coil portion C2; a balanced transmission line BL including a third coil portion C3 and a fourth coil portion C4 that are positioned facing and magnetically coupled to the first coil portion C1 and the second coil portion C2 respectively; an unbalanced terminal UT connected to the first coil portion C1; a ground terminal G connected to the second coil portion C2 via a C component D; and an electrode D2 connected to the ground terminal G and facing a part of the second coil portion C2. The C component D is formed by the electrode D2 and the part D1 of the second coil portion C2.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: February 11, 2014
    Assignee: TDK Corporation
    Inventor: Makoto Endo
  • Publication number: 20140022028
    Abstract: A thin film balun that can be made smaller and thinner while maintaining required balun characteristics is provided. A thin film balun 1 includes: an unbalanced transmission line UL including a first coil portion C1 and a second coil portion C2; a balanced transmission line BL including a third coil portion C3 and a fourth coil portion C4 that are positioned facing and magnetically coupled to the first coil portion C1 and the second coil portion C2 respectively; an unbalanced terminal UT connected to the first coil portion C1; a ground terminal G connected to the second coil portion C2 via a C component D; and an electrode D2 connected to the ground terminal G and facing a part of the second coil portion C2. The C component D is formed by the electrode D2 and the part D1 of the second coil portion C2.
    Type: Application
    Filed: September 19, 2013
    Publication date: January 23, 2014
    Applicant: TDK CORPORATION
    Inventor: Makoto ENDO
  • Publication number: 20140009241
    Abstract: A laminated structural type balun includes a low pass filter that is provided between an unbalanced terminal inputting and outputting unbalanced signals and a first balanced terminal inputting and outputting balanced signals and includes a first coil and a first capacitor; and a high pass filter that is provided between the unbalanced terminal and a second balanced terminal inputting and outputting balanced signals and includes a second capacitor and a second coil. The first capacitor and the second capacitor are arranged in a different area from the first coil and the second coil in a laminated direction.
    Type: Application
    Filed: July 3, 2012
    Publication date: January 9, 2014
    Applicant: TDK CORPORATION
    Inventor: Makoto ENDO
  • Patent number: 8582277
    Abstract: A multilayer ceramic electronic component comprising an element body in which a dielectric layer and an internal electrode layer are stacked. The dielectric layer is constituted from a dielectric ceramic composition including; a compound having a perovskite structure expressed by a formula of ABO3 (A is at least one selected from Ba, Ca, and Sr; B is at least one selected from Ti, Zr, and Hf); an oxide of Mg; an oxide of rare earth elements including Sc and Y; and an oxide including Si. The dielectric ceramic composition comprises a plurality of dielectric particles and a grain boundary present in between the dielectric particles. In the grain boundary, when content ratios of Mg and Si are set to D(Mg) and D(Si) respectively, D(Mg) is 0.2 to 1.8 wt % in terms of MgO, and D(Si) is 0.4 to 8.0 wt % in terms of SiO2.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: November 12, 2013
    Assignee: TDK Corporation
    Inventors: Hirobumi Tanaka, Makoto Endo, Satoko Ueda, Daisuke Ueda, Shogo Murosawa, Daisuke Yoshida, Kenta Ono, Minoru Ogasawara, Tatsuya Kikuchi
  • Patent number: 8456800
    Abstract: A multilayer ceramic electronic component comprises an element body obtained by stacking dielectric layers (thickness t1) and electrode layers (thickness t2). The dielectric layer includes a compound expressed by ABO3 (A includes Ba, and may include Ca or Sr; and B includes Ti, and may include Zr or Hf), and includes 0.75 to 2.0 moles of MgO, 0.4 to 1.0 mole of an oxide of Y, Dy, Ho and the like in terms of the oxide, and 0.4 to 0.8 mole of SiO2 per 100 moles of the compound. A segregation phase containing Mg is formed in at least a part of an electrode missing portion. Line coverage of the electrode layer is 60 to 90% and relations of 0.3 ?m?t1?2.0 and 0.3 ?m?t2<1.0 ?m are fulfilled.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: June 4, 2013
    Assignee: TDK Corporation
    Inventors: Toshihiko Kaneko, Ryutaro Yamazaki, Taisuke Masuko, Yusuke Sato, Yasushi Matsuyama, Yasuo Watanabe, Masakazu Hosono, Saori Takeda, Hirobumi Tanaka, Makoto Endo
  • Publication number: 20130089736
    Abstract: Disclosed is a method for producing carbon fibers which exhibit excellent adhesion to a matrix resin and have excellent processability. Specifically disclosed is a method for producing a sizing agent-coated carbon fibers, wherein at least one kind of sizing agent that is selected from the group consisting of sizing agents (a), (b) and (c) described below is used for coating, in each of said sizing agents a bi- or higher functional epoxy compound (A1) and/or an epoxy compound (A2) being used as a component (A), and said epoxy compound (A2) having a mono- or higher functional epoxy group and at least one functional group that is selected from among a hydroxyl group, an amide group, an imide group, a urethane group, a urea group, a sulfonyl group and a sulfo group. The method for producing a sizing agent-coated carbon fibers is characterized in that the sizing agent is applied to carbon fibers and the resulting is subjected to a heat treatment within the temperature range of 160-260° C. for 30-600 seconds.
    Type: Application
    Filed: June 24, 2011
    Publication date: April 11, 2013
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Yoshifumi Nakayama, Toshiya Kamae, Daigo Kobayashi, Makoto Endo