Patents by Inventor Hiroshi Matsui

Hiroshi Matsui 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: 20090314998
    Abstract: The present invention is directed to crystalline organic polymer nanoparticles comprising a conductive organic polymer; wherein the crystalline organic polymer nanoparticles have a size of from 10 nm to 200 nm and exhibits two current-voltage states: (1) a high resistance current-voltage state, and (2) a low resistance current-voltage state, wherein when a first positive threshold voltage (Vth1) or higher positive voltage, or a second negative threshold voltage (Vth2) or higher negative voltage is applied to the nanoparticle, the nanoparticle exhibits the low-resistance current-voltage state, and when a voltage less positive than the first positive threshold voltage or a voltage less negative than the second negative threshold voltage is applied to the nanoparticle, the nanoparticle exhibits the high-resistance current-voltage state. The present invention is also directed methods of manufacturing the nanoparticles using novel interfacial oxidative polymerization techniques.
    Type: Application
    Filed: October 2, 2007
    Publication date: December 24, 2009
    Applicant: Research Foundation of the City University of New York
    Inventors: Kai Su, Nurxat Nuraje, Lingzhi Zhang, Hiroshi Matsui, Nan Loh Yang
  • Publication number: 20090293953
    Abstract: An electrolyte composition containing an ionic liquid and conductive particles, an electrolyte composition containing an ionic liquid and oxide semiconductor particles and optionally containing conductive particles, and an electrolyte composition containing an ionic liquid and insulating particles are provided. Furthermore, a photoelectric conversion element comprising: a working electrode, the working electrode comprising an electrode substrate and an oxide semiconductor porous film formed on the electrode substrate and sensitized with a dye; a counter electrode disposed opposing the working electrode; and an electrolyte layer made of these electrolyte compositions is provided.
    Type: Application
    Filed: June 16, 2009
    Publication date: December 3, 2009
    Applicant: Fujikura Ltd.
    Inventors: Hiroki USUI, Nobuo TANABE, Hiroshi MATSUI, Tetsuya EZURE, Shozo YANAGIDA
  • Publication number: 20090272431
    Abstract: A photoelectric conversion element including: (1) a window electrode having a transparent substrate and a semiconductor layer provided on a surface of the transparent substrate, a sensitizing dye being adsorbed on the semiconductor layer; (2) a counter electrode having a substrate and a conductive film, provided on a surface of the substrate, that is arranged so as to face the semiconductor layer of the window electrode, and wherein the counter electrode has carbon nanotubes provided on the substrate surface via the conductive film; and (3) an electrolyte layer disposed at least in a portion between the window electrode and the counter electrode.
    Type: Application
    Filed: December 7, 2005
    Publication date: November 5, 2009
    Applicant: FUJIKURA LTD.
    Inventors: Hiroki Usui, Nobuo Tanabe, Hiroshi Matsui
  • Patent number: 7608432
    Abstract: A microorganism which has a gene encoding an enzyme in which feedback inhibition is desensitized by substitution of one or two amino acids in PRPP amidotransferase encoded by purF of Escherichia coli, a gene encoding a protein which is an inactivated repressor of purine nucleotide biosynthesis encoded by purR, a gene encoding an enzyme which is inactivated purine nucleoside phosphorylase encoded by deoD, a gene encoding an enzyme which is inactivated succinyl-AMP synthase encoded by purA, a gene encoding an enzyme which is inactivated 6-phosphogluconate dehydrase encoded by edd, a gene encoding an enzyme which is inactivated phosphoglucose isomerase encoded by pgi and like is bred and a purine nucleoside is produced by culturing the microorganism.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: October 27, 2009
    Assignee: Ajinomoto Co., Inc.
    Inventors: Hiroshi Matsui, Hisashi Kawasaki, Megumi Shimaoka, Yasuhiro Takenaka, Osamu Kurahashi
  • Patent number: 7601519
    Abstract: A microorganism which has a gene encoding an enzyme in which feedback inhibition is desensitized by substitution of one or two amino acids in PRPP amidotransferase encoded by purF of Escherichia coli, a gene encoding a protein which is an inactivated repressor of purine nucleotide biosynthesis encoded by purR, a gene encoding an enzyme which is inactivated purine nucleoside phosphorylase encoded by deoD, a gene encoding an enzyme which is inactivated succinyl-AMP synthase encoded by purA, a gene encoding an enzyme which is inactivated 6-phosphogluconate dehydrase encoded by edd, a gene encoding an enzyme which is inactivated phosphoglucose isomerase encoded by pgi and like is bred and a purine nucleoside is produced by culturing the microorganism.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: October 13, 2009
    Assignee: Ajinomoto Co., Inc.
    Inventors: Hiroshi Matsui, Hisashi Kawasaki, Megumi Shimaoka, Yasuhiro Takenaka, Osamu Kurahashi
  • Publication number: 20090253031
    Abstract: An electrolyte composition containing an ionic liquid and conductive particles, an electrolyte composition containing an ionic liquid and oxide semiconductor particles and optionally containing conductive particles, and an electrolyte composition containing an ionic liquid and insulating particles are provided. Furthermore, a photoelectric conversion element comprising: a working electrode, the working electrode comprising an electrode substrate and an oxide semiconductor porous film formed on the electrode substrate and sensitized with a dye; a counter electrode disposed opposing the working electrode; and an electrolyte layer made of these electrolyte compositions is provided.
    Type: Application
    Filed: June 17, 2009
    Publication date: October 8, 2009
    Applicant: FUJIKURA LTD.
    Inventors: Hiroki USUI, Nobuo TANABE, Hiroshi MATSUI, Tetsuya EZURE, Shozo YANAGIDA
  • Publication number: 20090235982
    Abstract: A photoelectric conversion element includes: a first electrode having a porous oxide semiconductor layer which supports a sensitizing dye on a surface thereof and functioning as a photo electrode; a second electrode disposed so as to oppose the first electrode; an electrolyte disposed in at least a part of a space between the first electrode and the second electrode; and a sump portion for the electrolyte disposed in at least a part of the space between the first electrode and the second electrode. According to the present invention, air bubbles can be exhausted effectively from power generating area, so that a photoelectric conversion element possessing an improved power generation property and a long-term durability can be provided.
    Type: Application
    Filed: June 8, 2009
    Publication date: September 24, 2009
    Applicant: Fujikura Ltd.
    Inventors: Kenichi OKADA, Takayuki Kitamura, Hiroshi Matsui
  • Patent number: 7587912
    Abstract: The present invention refers to a method for producing a quartz glass crucible for use in pulling silicon single crystal, said crucible having at least a double-layer structure comprising a pore-free transparent inner layer and an opaque base body or outer layer having pores, characterized in that at least the base body is formed with a silica powder maintained in a gas having a mixing ratio of 0.0005 to 0.0065 kg/kg (dry gas), and a quartz glass crucible produced by said production method. The obtained crucible has an average OH group concentration of 50 ppm or lower and is capable of suppressing the vibration occurring on the surface of silicon melt during pulling the silicon single crystal. Further the obtained crucible suffers less deformation of the crucible on pulling the silicon single crystal.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: September 15, 2009
    Assignees: Heraeus Quarzglas GmbH & Co. KG, Shin-Etsu Quartz Products Co., Ltd.
    Inventors: Yasuo Ohama, Hiroshi Matsui
  • Publication number: 20090197288
    Abstract: The present invention is intended to provide a method for simultaneously measuring cholesterol in low density lipoprotein and total cholesterol as test components in blood. Specifically, a method is used for simultaneously measuring cholesterol in low density lipoprotein and total cholesterol in a biological sample, whereby cholesterol in low density lipoprotein and total cholesterol in a biological sample are quantified with a single measurement.
    Type: Application
    Filed: February 9, 2009
    Publication date: August 6, 2009
    Inventor: Hiroshi MATSUI
  • Patent number: 7569765
    Abstract: An electrode according to the present invention includes a substrate, and a conductive layer containing carbon particles or platinum particles and a conductive binder for binding the carbon particles or platinum particles formed above the substrate. By binding the carbon particles or the platinum particles with the conductive binder, it is possible to form an electrode with a porous structure where spaces that communicate with a surface of the conductive layer are defined between the corresponding carbon particles or platinum particles, thereby increasing the effective area (surface area) of the electrode. The photoelectric conversion elements and the dye-sensitized photovoltaic or solar cells according to the present invention can be manufactured at a low cost and have an increased effective area, making it possible to obtain excellent photoelectric conversion efficiency.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: August 4, 2009
    Assignee: Fujikura Ltd.
    Inventors: Hiroshi Matsui, Nobuo Tanabe
  • Publication number: 20090181413
    Abstract: This invention provides a method for differentially and simultaneously quantifying two target analytes via a single assay operation with the use of a single type of reagent in each of the two steps, i.e., the first step and the second step. In this method, the reaction product associated with the first target analyte is detected at an early stage of the second step and the reaction product associated with the second target analyte is then detected.
    Type: Application
    Filed: September 29, 2006
    Publication date: July 16, 2009
    Inventors: Yasuki Itoh, Keiko Matsumoto, Hiroshi Matsui, Yuhko Hirao
  • Patent number: 7557123
    Abstract: The novel heterocyclic compound of the present invention is a novel heterocyclic compound having the formula (I) Y: R15—C(R14)?N—O— wherein R1 is H or C1-6 alkyl, R2 is H, —CO—C(R4)?C(R4)—R5 wherein R4 is H or C1-4 alkyl, and R5 is C4-8 alkyl, C2-8 alkenyl and the like, and the like, Y is the following group wherein X is O or S, R7 is the same as R4, R8 is R10—C(R9)?C(R9)— wherein R9 is the same as R4, R10 is C3-6 alkyl and the like, and the like, R14 is the same as R4, and R15 is aryl and the like, Y—(CH2)n-O— is bonded to the 6- or 7-position of the tetrahydroisoquinoline skeleton, and n is an integer of 1 to 4, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 27, 2002
    Date of Patent: July 7, 2009
    Assignee: Kyoto Pharmaceutical Industries, Ltd.
    Inventors: Hiroshi Matsui, Hideo Kobayashi, Satoru Azukizawa, Masayasu Kasai, Akihisa Yoshimi, Hiroaki Shirahase
  • Publication number: 20090133743
    Abstract: The present invention relates to a method of manufacturing an electrode substrate that has a base substrate made of glass having a strain point of 520° C. or higher, a transparent conductive layer formed on the base substrate, a metal wiring layer, and an insulating layer made of low-melting glass that covers the metal wiring layer, the metal wiring layer and the insulating layer being provided on the transparent conductive layer, the method including at least the steps of providing paste that forms a base material of the low-melting glass so as to cover the metal wiring layer; and forming the insulating layer by sintering the paste by means of a heat treatment.
    Type: Application
    Filed: November 18, 2008
    Publication date: May 28, 2009
    Applicant: FUJIKURA LTD.
    Inventor: Hiroshi MATSUI
  • Patent number: 7507551
    Abstract: The present invention is intended to provide a method for simultaneously measuring cholesterol in low density lipoprotein and total cholesterol as test components in blood. Specifically, a method is used for simultaneously measuring cholesterol in low density lipoprotein and total cholesterol in a biological sample, whereby cholesterol in low density lipoprotein and total cholesterol in a biological sample are quantified with a single measurement.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: March 24, 2009
    Assignee: Denka Seiken Co., Ltd.
    Inventor: Hiroshi Matsui
  • Publication number: 20080297268
    Abstract: A temperature-compensated crystal oscillator includes an oscillation circuit including an oscillator, a temperature detector, a voltage variable capacitance element coupled to an oscillation loop of the oscillation circuit, and a temperature compensation circuit. The temperature compensation circuit is configured to apply a compensation voltage to the voltage variable capacitance element to compensate a temperature change in response to temperature data detected by the temperature detector. The temperature compensation circuit has a plurality of correction point data. The respective correction point data is set in advance for each divided temperature zone, selects a first correction point data in a lower temperature zone and a second correction point data in a higher temperature zone, as compared with the detected temperature data, performs an interpolation between the first and second correction point data by a weighted averaged first-order interpolation, and generates the compensation voltage.
    Type: Application
    Filed: May 27, 2008
    Publication date: December 4, 2008
    Inventors: Hiroshi Matsui, Yuichi Takagi
  • Patent number: 7435560
    Abstract: A microorganism which has a gene encoding an enzyme in which feedback inhibition is desensitized by substitution of one or two amino acids in PRPP amidotransferase encoded by purF of Escherichia coli, a gene encoding a protein which is an inactivated repressor of purine nucleotide biosynthesis encoded by purR, a gene encoding an enzyme which is inactivated purine nucleoside phosphorylase encoded by deoD, a gene encoding an enzyme which is inactivated succinyl-AMP synthase encoded by purA, a gene encoding an enzyme which is inactivated 6-phosphogluconate dehydrase encoded by edd, a gene encoding an enzyme which is inactivated phosphoglucose isomerase encoded by pgi and like is bred and a purine nucleoside is produced by culturing the microorganism.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: October 14, 2008
    Assignee: Ajinomoto Co., Inc.
    Inventors: Hiroshi Matsui, Hisashi Kawasaki, Megumi Shimaoka, Yasuhiro Takenaka, Osamu Kurahashi
  • Publication number: 20080237760
    Abstract: One object of the present invention is to provide a transparent electrode substrate with an ITO film formed thereon, used for example as the transparent electrode plate in a dye sensitized solar cell, for which the electrical resistance does not increase even when exposed to high temperatures of 300° C. or higher. In order to achieve the object, the present invention provides a substrate for a transparent electrode, wherein two or more layers of different transparent conductive films are formed on a transparent substrate, and an upper layer transparent conductive film has a higher heat resistance than that of a lower layer transparent conductive film.
    Type: Application
    Filed: May 1, 2008
    Publication date: October 2, 2008
    Applicant: Fujikura Ltd.
    Inventors: Takuya Kawashima, Hiroshi Matsui, Kenichi Okada, Nubuo Tanabe
  • Publication number: 20080169022
    Abstract: To provide an electrode substrate 1 that has a transparent conductive layer 11, a current-collecting metal layer 12 that is provided on the transparent conductive layer 11, and an insulating layer 14 that covers the current-collecting metal layer 12 on a base plate, wherein, when a thermal expansion coefficient of the base plate 10 is defined as ?, and a thermal expansion coefficient of the insulating layer 14 is defined as ?, ?>? is satisfied, and in which the thickness of the transparent conductive layer 11 is 0.05 to 5 ?m. The electrode substrate 1 can lower the resistance of the electrode substrate 1. Moreover, it is possible to provide an electrode substrate that can suppress degradation of the characteristics due to leak current from the metal wiring to the electrolyte solution and corrosion of the current-collecting metal layer and a photoelectric conversion element that is suitably used in a solar battery.
    Type: Application
    Filed: February 1, 2008
    Publication date: July 17, 2008
    Applicant: FUJIKURA LTD.
    Inventors: Hiroshi MATSUI, Kenichi OKADA, Tetsuya EZURE, Nobuo TANABE
  • Patent number: 7396580
    Abstract: One object of the present invention is to provide a transparent electrode substrate with an ITO film formed thereon, used for example as the transparent electrode plate in a dye sensitized solar cell, for which the electrical resistance does not increase even when exposed to high temperatures of 300° C. or higher. In order to achieve the object, the present invention provides a substrate for a transparent electrode, wherein two or more layers of different transparent conductive films are formed on a transparent substrate, and an upper layer transparent conductive film has a higher heat resistance than that of a lower layer transparent conductive film.
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: July 8, 2008
    Assignee: Fujikura Ltd.
    Inventors: Takuya Kawashima, Hiroshi Matsui, Kenichi Okada, Nobuo Tanabe
  • Publication number: 20080124748
    Abstract: A method for specifically quantifying HDL cholesterol in which cholesterol in lipoproteins other than HDL is erased in the first step, and HDL cholesterol is specifically quantified in the second step, by which accurate values can be obtained even in measurements of abnormal samples such as disorder of lipid metabolism and lipoprotein abnormality, is disclosed.
    Type: Application
    Filed: January 31, 2008
    Publication date: May 29, 2008
    Applicant: DENKA SEIKEN CO., LTD.
    Inventors: Hiroshi MATSUI, Motoko Ohta