Patents Assigned to Yamaguchi University
  • Patent number: 7799894
    Abstract: An electrode for an energy storage device containing a polyaminoquinoxaline compound of the following formula (1a) is provided as having a highly densified energy level and being small in size and light in weight. R1 and R2 independently represent a hydrogen atom, a hydroxyl group, a C1-C10 alkyl group, a C1-C10 alkoxy group or the like, R3 and R4 independently represent a hydrogen atom, a halogen atom, a cyano group, a nitro group, an amino group, a C1-C10 alkyl group, a C1-C10 alkoxy group or the like, X1 represents —NH—R5—NH— or —NH—R6— wherein R5 and R6 independently represent a C1-C10 alkylene group, —C(O)CH2—, —CH2C(O)— or the like, and n is an integer of 2 or over.
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: September 21, 2010
    Assignees: Yamaguchi University, Nissan Chemical Industries, Ltd.
    Inventors: Masayuki Morita, Nobuko Yoshimoto, Yasuaki Mukai, Mikio Kasai, Hitoshi Furusho
  • Publication number: 20100173223
    Abstract: A graft copolymer having a side chain graft-polymerized by atom transfer living radical polymerization (ATRP) on a main chain polymerized by organotellurium-mediated living radical polymerization (TERP), wherein the molecular weight distribution is such that Mw/Mn is 1.5 or less. The graft copolymer is also such that a main chain moiety mainly consisting of the main chain and a side chain moiety mainly consisting of the side chain have microphase-separated structures. The graft copolymer has a narrow molecular weight distribution and forms microphase-separated structures through self organization of hydrophobic and hydrophilic moieties.
    Type: Application
    Filed: February 14, 2006
    Publication date: July 8, 2010
    Applicants: Toyota Jidosha Kabushiki Kaisha, Yamaguchi University
    Inventors: Shigeharu Takagi, Mitsuru Higa
  • Patent number: 7750033
    Abstract: The present invention relates to a prophylactic agent or a therapeutic agent for a disorder of collagen or elastin metabolism, which comprises a substance possessing JNK inhibitory activity as an active ingredient.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: July 6, 2010
    Assignee: Yamaguchi University
    Inventors: Koichi Yoshimura, Hiroki Aoki, Masunori Matsuzaki
  • Publication number: 20100118412
    Abstract: A three-dimensional left-handed metamaterial having a completely new constitution, which functions as a three-dimensional electromagnetic wave propagation medium and in which an equivalent permittivity and a permeability of the medium simultaneously take negative values. The three-dimensional left-handed metamaterial is structured such that cubic unit cells 5 are disposed repeatedly in three orthogonal directions of a three-dimensional space, and includes: a first particle 1 constituted by a conductor and disposed in positions centering on respective vertices of the unit cell; a second particle 2 constituted by a conductor and disposed in positions centering on face center points, which are centers of respective faces of the unit cell; a first connecting portion constituted by a conductor, which connects the first particles to a center point of the unit cell; and a second connecting portion constituted by a conductor, which connects the second particles to the center point.
    Type: Application
    Filed: March 14, 2008
    Publication date: May 13, 2010
    Applicant: YAMAGUCHI UNIVERSITY
    Inventor: Atsushi Sanada
  • Patent number: 7696951
    Abstract: A two-dimensional structure medium comprising a conductor pattern as unit cells formed on the upper surface of a substrate and a conductor pattern formed on the lower surface of the substrate and exhibiting a left-handed characteristic achieved without using a via by utilizing the interaction between an inductance component formed by connecting a part of a floating island pattern out of the conductor pattern on the lower surface of the substrate with a pattern as the ground portion and a capacitance component of parallel-plate mode formed by the conductor pattern on the upper surface of the substrate and the conductor pattern on the lower surface of the substrate.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: April 13, 2010
    Assignee: National University Corporation Yamaguchi University
    Inventor: Atsushi Sanada
  • Publication number: 20100072061
    Abstract: A sputtering apparatus for forming a thin film includes a pair of facing polygonal prism target holders in which a target is placed on each surface which is parallel to a rotation axis of a rotatable polygonal prism body. A magnetic pole group which includes either a plurality of magnets or a magnet and a yoke is disposed on a back surface of the target, and the magnetic pole group includes magnets or yokes of different magnetic pole directions.
    Type: Application
    Filed: May 9, 2008
    Publication date: March 25, 2010
    Applicant: YAMAGUCHI UNIVERSITY
    Inventor: Shinichi Morohashi
  • Publication number: 20100062506
    Abstract: The present invention provides a novel yeast strain capable of producing ethanol through fermentation with a high degree of efficiency at a temperature of 37° C. or higher, preferably a temperature ranging from 40 to 49° C. or higher, and also a method for producing ethanol by utilizing the yeast strain, and further, ethanol produced by the method. Therefore, in the present invention, an yeast strain (Deposit No. NITE BP-283, etc) belonging to species Kluyveromyces marxianus isolated by a screening step using a culture medium containing sugar in a high concentration and ethanol, is cultured in a culture solution supplemented with 10 to 100 mM of sorbitol at 40 to 49° C.
    Type: Application
    Filed: November 20, 2007
    Publication date: March 11, 2010
    Applicant: Yamaguchi University
    Inventors: Mamoru Yamada, Limtong Savitree
  • Publication number: 20100033597
    Abstract: An image-processing unit, comprising an exposure conversion circuit, a standard image-setting circuit, a contour extraction circuit, a contour comparison circuit, a final setting circuit, and an image synthesis circuit, is provided. The exposure conversion circuit generates first and second exposure level image data. The standard image-setting circuit sets standard image data. The contour extraction circuit extracts standard and first comparison contours on the basis of the standard image data. The contour comparison circuit detects a first accordance indicator on the basis of the contours. The final setting circuit sets the first conclusive threshold on the basis of the first accordance indicator. The image synthesis circuit generates the rendered image data based on the first conclusive threshold.
    Type: Application
    Filed: July 28, 2009
    Publication date: February 11, 2010
    Applicants: HOYA Corporation, YAMAGUCHI UNIVERSITY
    Inventors: Yosuke IKEMOTO, Hidetoshi MIIKE, Atsushi OSA
  • Publication number: 20100007436
    Abstract: The present invention provides a two-dimensional left-handed metamaterial that functions as a two-dimensional electromagnetic wave propagation medium in which the equivalent permittivity and permeability of the medium are both negative, exhibits superior low-loss, broadband characteristics as a left-handed material, and has a simple constitution, enabling low-cost manufacture. The two-dimensional left-handed metamaterial is formed by disposing unit structures 10 constituted by a conductor regularly on a plane, the unit structure including: a columnar first prism, a central axis of which is oriented perpendicularly to the plane; a columnar second prism that has a central axis in an identical direction to the first prism and is disposed at a remove from the first prism in a central axis direction; and a connecting body for electrically connecting the first prism and the second prism to each other.
    Type: Application
    Filed: September 18, 2007
    Publication date: January 14, 2010
    Applicant: YAMAGUCHI UNIVERSITY
    Inventor: Atsushi Sanada
  • Publication number: 20090281733
    Abstract: Evaluation of tree production capacity by a non-destructive method using a tree crown structure measurement device or using an image capture device with a fisheye lens mounted, for isolated trees or for trees existing at intervals, is enabled without requiring a large amount of time. A semi-spheroid of revolution model is established as a representation of the outer shape of a tree, an optical tree structure measurement device is placed at a position apart from the main trunk by a prescribed distance, the intensity of light passing through tree leaves and the intensity of light not passing through tree leaves are measured, the optical path length of light incident on the tree is calculated using the semi-spheroid model and the total tree leaf area is determined from the measured light intensities and optical path length.
    Type: Application
    Filed: December 15, 2006
    Publication date: November 12, 2009
    Applicant: YAMAGUCHI UNIVERSITY
    Inventors: Haruhiko Yamamoto, Kiyoshi Iwaya, Yasushi Tsuchiya
  • Publication number: 20090174609
    Abstract: A stripline-type transmission line can easily change and control transmission characteristics by changing the permittivity of a substrate, and also provides an antenna that can extensively change and control the direction of radiation with the frequency of an electromagnetic wave constant, by using the transmission line. The antenna has a substrate having a material With variable permittivity; a plurality of conductor patterns, which are periodically arranged in an intermediate plane of the substrate; an aperture-equipped ground conductor, which is disposed on a surface of the substrate, and in which a plurality of apertures are disposed; a ground conductor disposed on the rear surface of the substrate; and a permittivity controller for changing and controlling the permittivity of the variable permittivity material by applying a direct current voltage to the aperture-equipped ground conductor and the ground conductor.
    Type: Application
    Filed: June 27, 2007
    Publication date: July 9, 2009
    Applicant: YAMAGUCHI UNIVERSITY
    Inventor: Atsushi Sanada
  • Publication number: 20090124824
    Abstract: A process for producing a 6-hydroxycarpoic ester and a process for producing a trialkylamine in both of which nylon-6, ?-caprolactam, which is a monomer therefor, etc. are used as a raw material. The processes are intended to make nylon-6 wastes reusable in various applications without consuming a large quantity of energy. The process for producing a 6-hydroxycarpoic ester and process for producing a trialkylamine are characterized by reacting amide compounds basically comprising ?-caprolactam with an alcohol in a supercritical state to obtain a 6-hydroxycarpoic ester and a trialkylamine.
    Type: Application
    Filed: January 24, 2007
    Publication date: May 14, 2009
    Applicants: YAMAGUCHI UNIVERSITY, UBE INDUSTRIES, LTD.
    Inventors: Akio Kamimura, Tsunemi Sugimoto, Kouji Kaiso
  • Publication number: 20080153093
    Abstract: A method for determining the risk of adverse effects of irinotecan (CPT-11), a synthetic anticancer drug, by detecting polymorphisms in the TATA box within the promoter region of the UDP-glucuronosyl transferase gene. A kit for detecting the adverse effects of irinotecan containing at least one pair of nucleic acid probes.
    Type: Application
    Filed: September 18, 2007
    Publication date: June 26, 2008
    Applicants: Toyo Kohan Co., Ltd., YAMAGUCHI UNIVERSITY
    Inventors: Hiroshi Okamura, Naoka Nakazawa, Masaaki Oka, Shouichi Hazama
  • Publication number: 20070248944
    Abstract: The present invention relates to a prophylactic agent or a therapeutic agent for a disorder of collagen or elastin metabolism, which comprises a a substance possessing JNK inhibitory activity as an active ingredient.
    Type: Application
    Filed: August 24, 2005
    Publication date: October 25, 2007
    Applicant: YAMAGUCHI UNIVERSITY
    Inventors: Koichi Yoshimura, Hiroki Aoki, Masunori Matsuzaki
  • Publication number: 20070212752
    Abstract: It is intended to provide a method capable of introducing an arbitrary modification group into a synthetic protein and a method capable of easily controlling the syntheses of a modified protein and an unmodified protein. The present invention provides a method of cell-free protein synthesis comprising: performing cell-free protein synthesis using as a reaction solution of cell-free protein synthesis, a mixture solution of an extract derived from a eukaryotic cell and a reagent solution comprising as a substrate, a substance having a desired group to be introduced as a post-translational modification group; and thereby obtaining a protein comprising the post-translational modification group introduced therein. Preferably, the group to be introduced is an acyl group of fatty acid, and the form of the post-translational modification is lipid modification at the N-terminus of the protein.
    Type: Application
    Filed: February 1, 2007
    Publication date: September 13, 2007
    Applicants: Shimadzu Corporation, National University Corporation Yamaguchi University
    Inventors: Takashi Suzuki, Masaaki Ito, Toru Ezure, Masamitsu Shikata, Shinichiro Kobayashi, Toshihiko Utsumi
  • Publication number: 20070037245
    Abstract: It is intended to provide a novel method for posttranslational modification in cell-free protein synthesis and a novel method for cell-free protein synthesis with the use of such posttranslational modification reaction. A method for synthesizing a protein in a cell-free system using an extract liquid for cell-free protein synthesis, characterized in that translation reaction is carried out in the presence of arthropod-derived microsomal membranes.
    Type: Application
    Filed: November 12, 2004
    Publication date: February 15, 2007
    Applicants: SHIMADZU CORPORATION, National University Corp. Yamaguchi University
    Inventors: Koki Endo, Toshihiko Utsumi, Masaaki Ito
  • Patent number: 4444599
    Abstract: Hydrogen, embrittlement in metals, alloys or welded portions thereof, which causes cracks, breakage and the like, is prevented by emitting an ionizing radiation to a metal, alloy or a welded portion thereof to diffuse and exhale hydrogen charged in said metal.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: April 24, 1984
    Assignee: Yamaguchi University
    Inventor: Motoji Ikeya