Patents by Inventor Yasuhiro Hashimoto

Yasuhiro Hashimoto 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: 20130203184
    Abstract: The present invention provides a method of detecting soluble amyloid ? precursor protein 770? derived from vascular endothelial cell, comprising the following steps: (1) a step of contacting a biological sample derived from a test subject suspected of having a disease accompanied by accumulation of amyloid ? peptide with an antibody recognizing soluble amyloid ? precursor protein ? or an amyloid ? precursor protein 770-specific antibody; and (2) a step of detecting soluble amyloid ? precursor protein 770? in the complex formed in step (1).
    Type: Application
    Filed: July 29, 2011
    Publication date: August 8, 2013
    Applicant: RIKEN
    Inventors: Shinobu Kitazume, Naoyuki Taniguchi, Yuriko Tachida, Takaomi Saido, Yasuhiro Hashimoto, Takashi Honda
  • Patent number: 8497054
    Abstract: Provided is a toner in which faulty transfer under an extremely-low-temperature, low-humidity environment hardly occurs, including toner particles and a zeolite as an external additive, in which a ratio of the alminium atoms to a total of the silicon atoms and the aluminium atoms contained in the zeolite is 0.2 to 24.0%.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: July 30, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akira Sugiyama, Katsuyuki Nonaka, Koji Abe, Yasuhiro Hashimoto, Naoya Isono, Yuhei Terui
  • Patent number: 8440382
    Abstract: A method of stably producing a toner is provided. This method provides a long-term stabilization of material dispersion in a colorant-dispersed solution and inhibits segregation of the material and provides a more microfine and more uniform dispersion of the colorant in the toner, and moreover produces a toner that has a sharp toner particle diameter distribution. This method of producing toner has at least a colorant dispersion step of obtaining a colorant-dispersed solution by dispersing a pigment-containing colorant in a liquid mixture that contains the colorant and a dissolved resin solution or a polymerizable monomer, wherein the liquid mixture contains a nonionic surfactant and the nonionic surfactant has at least an oxyalkylene group and has a hydrophile-lipophile balance value (HLB value) of 9.0 or more and 17.0 or less.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: May 14, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoya Isono, Katsuyuki Nonaka, Yasuhiro Hashimoto, Akira Sugiyama, Yuhei Terui
  • Patent number: 8367289
    Abstract: A toner is provided which is excellent in development stability in both a low-temperature, low-humidity environment and a high-temperature, high-humidity environment over a long time period. The toner includes toner particles containing at least a binder resin and a colorant, and a fatty acid metal salt. The fatty acid metal salt has a volume-based median diameter (D50s) of 0.15 ?m or more and 0.65 ?m or less, and the liberation ratio of the fatty acid metal salt in the toner is 1.0% or more and 25.0% or less.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: February 5, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoya Isono, Satoshi Handa, Katsuyuki Nonaka, Koji Abe, Yasuhiro Hashimoto, Akira Sugiyama, Yuhei Terui
  • Publication number: 20120315574
    Abstract: A toner is provided that exhibits a high long-term image stability even during high-speed printing and that also exhibits an excellent environmental stability. The toner comprises a binder resin, a colorant, and a nonionic surfactant, wherein the nonionic surfactant has an oxyethylene group (EO) and an oxypropylene group (PO) and has a ratio of the number of moles of the oxypropylene group to the number of moles of the oxyethylene group (PO/EO) of at least 0.01 and not more than 5.00; and when A (?g/g) is defined as a nonionic surfactant content on the surface of the toner that can be extracted by methanol from 1 g of the toner and B (m2/g) is defined as a theoretical specific surface area determined from a toner particle diameter distribution obtained by a precision particle diameter distribution analyzer that operates based on an aperture electrical resistance method, a ratio A/B is at least 100 ?g/m2 and not more than 9000 ?g/m2.
    Type: Application
    Filed: May 12, 2011
    Publication date: December 13, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Katsuyuki Nonaka, Yasuhiro Hashimoto, Naoya Isono, Akira Sugiyama, Yuhei Terui
  • Patent number: 8277967
    Abstract: The present invention provides an energy device including a carbon nanotube electrode which prevents a carbon nanotube from peeling from an electric conductor. The energy device includes rolled electrode bodies, wherein at least one of the electrode bodies is formed such that a carbon nanotube layer is formed on the electric conductor, and concave regions are formed in a stripe shape on the carbon nanotube layer so as to extend in a direction parallel to a roll axis.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: October 2, 2012
    Assignee: Panasonic Corporation
    Inventors: Takuma Asari, Toshiya Yokogawa, Shigeo Hayashi, Yasuhiro Hashimoto, Hironori Kumagai
  • Patent number: 8247147
    Abstract: A toner including toner particles containing at least a binder resin and a colorant. The binder resin is a vinyl-based resin. The toner contains a THF insoluble matter in a quantity of 0.0 mass % or more to less than 16.0 mass %. The toner has a main peak in a molecular weight domain Dr1 ranging from 5,000 to 80,000 in measurement of THF soluble matter of the toner with a gel permeation chromatogram (GPC)-differential refractive index detector (RI), and the toner has a main peak in a molecular weight domain Dm1 ranging from 10,000 to 120,000 and at least one peak in a molecular weight domain Dm2 ranging from 300,000 to 7,000,000 in the GPC-RI measurement in measurement with a GPC-multi-angle laser light scattering detector (MALLS).
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: August 21, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koji Abe, Shinya Yachi, Satoshi Handa, Kazumi Yoshizaki, Emi Tosaka, Yasuhiro Hashimoto, Nobuhisa Abe, Yushi Mikuriya
  • Patent number: 8192907
    Abstract: A toner including toner particles containing at least a binder resin and a colorant. The binder resin is a vinyl-based resin. The toner contains a THF insoluble matter in a quantity of 0.0 mass % or more to less than 16.0 mass %. The toner has a main peak in a molecular weight domain Dr1 ranging from 5,000 to 80,000 in measurement of THF soluble matter of the toner with a gel permeation chromatogram (GPC)-differential refractive index detector (RI), and the toner has a main peak in a molecular weight domain Dm1 ranging from 10,000 to 120,000 and at least one peak in a molecular weight domain Dm2 ranging from 300,000 to 7,000,000 in the GPC-RI measurement in measurement with a GPC-multi-angle laser light scattering detector (MALLS).
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: June 5, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koji Abe, Shinya Yachi, Satoshi Handa, Kazumi Yoshizaki, Emi Tosaka, Yasuhiro Hashimoto, Nobuhisa Abe, Yushi Mikuriya
  • Patent number: 8151572
    Abstract: An object of the present invention is to provide a method of starting and stopping a gas turbine and a start-and-stop control device, which are capable of solving a problem of a failure in normally igniting a fuel gas due to a purge gas (nitrogen gas) remaining in a fuel gas pipe and thereby igniting the fuel gas stably.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: April 10, 2012
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Satoshi Tanaka, Hiroshi Tanabe, Yasuhiro Hashimoto
  • Publication number: 20120057222
    Abstract: A single crystal of magnesium fluoride having a large diameter and excellent optical properties such as internal transmittance and long term laser durability, and suited for use as optical elements for exposing apparatus. The single crystal of magnesium fluoride is of a cylindrical shape having a straight body portion of a diameter of not smaller than 10 cm, has an internal transmittance of at least 85%/cm at 120 nm and at least 98%/cm at 193 nm and has, desirably, an induced absorption of not larger than 0.0030 absorption/cm at 255 nm and, particularly desirably, not larger than 0.0010 absorption/cm. at 255 nm immediately after the irradiation with 2 million shorts of an ArF excimer laser of an energy density of 30 mJ/cm2 and 2000 Hz. The invention further provides an optical element for optical lithography comprising the single crystal and an optical member for vacuum ultraviolet ray transmission comprising the single crystal.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 8, 2012
    Inventors: Yasuhiro HASHIMOTO, Masao Ariyuki, Naoto Mochizuki, Tsuguo Fukuda
  • Publication number: 20120028123
    Abstract: Provided are a substrate on which carbon nanotubes each having one end connected to the substrate can be formed at a high synthetic rate and from which the carbon nanotubes are less likely to be peeled off. The substrate is a substrate for forming the carbon nanotubes and includes a buffer layer 13 formed on at least one of surfaces of a substrate main body 14 and containing aluminum atoms and fluorine atoms. The carbon nanotube complex includes the substrate and a plurality of carbon nanotubes 11 each having one end connected to a surface of the buffer layer 13.
    Type: Application
    Filed: February 14, 2011
    Publication date: February 2, 2012
    Inventors: Takuma Asari, Hironori Kumagai, Shigeo Hayashi, Yasuhiro Hashimoto, Naoki Yoshikawa, Takashi Okada
  • Patent number: 8084178
    Abstract: A non magnetic toner comprises toner particles each containing at least a binder resin, a colorant and a wax component. The toner further comprises an inorganic fine powder. A storage elastic modulus at 110° C. (G?110) of the non magnetic toner is in a range of 2.00×104 to 2.00×105 dN/m2. A storage elastic modulus at 150° C. (G?150) of the non magnetic toner is in a range of 3.00×103 to 2.00×104 dN/m2. The toner particles are obtained by dispersing a polymerizable monomer composition containing polymerizable monomers, the colorant, the wax component and a low-molecular weight polymer into an aqueous medium, granulating the dispersed polymerizable monomer composition, and polymerizing the polymerizable monomers in granulated particles. The low-molecular weight polymer has a weight average molecular weight (Mw) measured by means of gel permeation chromatography (GPC) in a range of 2000 to 5000.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: December 27, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Emi Tosaka, Koji Abe, Yushi Mikuriya, Satoshi Handa, Shinya Yachi, Kazumi Yoshizaki, Yasuhiro Hashimoto
  • Publication number: 20110305989
    Abstract: A method of stably producing a toner is provided. This method provides a long-term stabilization of material dispersion in a colorant-dispersed solution and inhibits segregation of the material and provides a more microfine and more uniform dispersion of the colorant in the toner, and moreover produces a toner that has a sharp toner particle diameter distribution. This method of producing toner has at least a colorant dispersion step of obtaining a colorant-dispersed solution by dispersing a pigment-containing colorant in a liquid mixture that contains the colorant and a dissolved resin solution or a polymerizable monomer, wherein the liquid mixture contains a nonionic surfactant and the nonionic surfactant has at least an oxyalkylene group and has a hydrophile-lipophile balance value (HLB value) of 9.0 or more and 17.0 or less.
    Type: Application
    Filed: June 3, 2011
    Publication date: December 15, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Naoya Isono, Katsuyuki Nonaka, Yasuhiro Hashimoto, Akira Sugiyama, Yuhei Terui
  • Patent number: 8053156
    Abstract: In a chart of molecular weight distribution measured of a toner, i) the toner has a main peak in the region of molecular weight of 16,000 to 60,000, and ii) where the molecular weight at the main peak is represented by M1, and where the height at the molecular weight M1 is represented by H(M1), the height at a molecular weight of 4,000 by H(4000) and the height at a molecular weight of 15,000 by H(15000), the H(4000), the H(15000) and the H(M1) satisfy a specific proportion. The toner has a weight-average molecular weight (Mw) of 15,000 to 80,000, and, in an endothermic chart, i) the toner has an endothermic main peak in the range of 40 to 130° C., and ii) the calorimetric integral value represented by the peak area of the endothermic main peak is 10 to 35 J per 1 g of the toner.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: November 8, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koji Abe, Satoshi Handa, Shinya Yachi, Kazumi Yoshizaki, Emi Tosaka, Yasuhiro Hashimoto, Yushi Mikuriya, Hitoshi Itabashi
  • Patent number: 7982907
    Abstract: In order to print a marked-up region in a color appropriate for printing, a MFP includes a communicating portion to which print data is input, a marked-up region extract portion for extracting a marked-up region from the print data, a marked-up region converter for converting a color of the extracted marked-up region to a conversion color appropriate for printing, and a printer for printing the marked-up region extracted from the print data in the conversion color.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: July 19, 2011
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Yasuhiro Hashimoto, Haruna Sasakuma
  • Publication number: 20110159402
    Abstract: The present invention provides a method for producing a stabilized fluoropolymer which comprises producing the stabilized fluoropolymer by subjecting a treatment target substance containing a sulfonic-acid-derived-group-containing fluoropolymer to a fluorination treatment, wherein the sulfonic-acid-derived-group-containing fluoropolymer is a fluoropolymer containing —SO3M (in which M represents H, NR1R2R3R4 or M11/L; R1, R2, R3 and R4 are the same or different and each represents H or an alkyl group containing 1 to 4 carbon atoms; and M1 represents an L-valent metal), and the treatment target substance has a moisture content of not higher than 500 ppm by mass.
    Type: Application
    Filed: March 10, 2011
    Publication date: June 30, 2011
    Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Eiji HONDA, Hideki IIJIMA, Yasuhiro HASHIMOTO, Tadashi INO, Tadaharu ISAKA, Masahiro KONDO
  • Publication number: 20110149465
    Abstract: An electric double layer capacitor 200 is configured such that a positive electrode 206, a separator 205, and a negative electrode 207 stacked in this order are contained in a container, and a portion between the positive electrode 206 and the negative electrode 207 is filled with an electrolytic solution. A polar plate of one or each of the positive electrode 206 and the negative electrode 207 includes a current collector 201, 203 and a plurality of electrically-conductive fine fibers 202, 204 formed and standing on a surface of the current collector such that one end of each of the fine fibers is electrically connected to the surface of the current collector. A surface of the polar plate is covered with the separator 205, the surface corresponding to the surface of the current collector. The polar plate and the separator 205 are pressure bonded to be integrated with each other.
    Type: Application
    Filed: November 6, 2009
    Publication date: June 23, 2011
    Inventors: Yasuhiro Hashimoto, Takuma Asari, Hironori Kumagai, Shigeo Hayashi
  • Publication number: 20110097657
    Abstract: An object of the present invention is to provide a toner in which the problems in the techniques described are solved. That is, the object is to provide a toner which has an excellent charging characteristic regardless of the environment and which achieves high image quality over a long period of time. A toner includes toner particles including at least a binder resin, a colorant, and a wax, and at least one inorganic fine powder, the toner being characterized in that, in a thermally stimulated current spectrum of the toner measured with a thermally stimulated current measurement apparatus, the thermally stimulated current spectrum of the toner has a specific shape.
    Type: Application
    Filed: October 21, 2010
    Publication date: April 28, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yuhei Terui, Katsuyuki Nonaka, Koji Abe, Yasuhiro Hashimoto, Naoya Isono, Akira Sugiyama
  • Publication number: 20110097660
    Abstract: Provided is a toner in which faulty transfer under an extremely-low-temperature, low-humidity environment hardly occurs, including toner particles and a zeolite as an external additive, in which a ratio of the alminium atoms to a total of the silicon atoms and the aluminium atoms contained in the zeolite is 0.2 to 24.0%.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akira Sugiyama, Katsuyuki Nonaka, Koji Abe, Yasuhiro Hashimoto, Naoya Isono, Yuhei Terui
  • Publication number: 20110076704
    Abstract: It is an object of the present invention to detect a change in the metabolism of a glycoprotein having an ?2,6-sialyl residue, which is contained in blood, so as to provide an agent and a method for diagnosing sporadic Alzheimer's disease. The present invention provides an agent for diagnosing Alzheimer's disease, which comprises lectin used for detecting an ?2,6-sialyl residue-containing glycoprotein.
    Type: Application
    Filed: May 11, 2006
    Publication date: March 31, 2011
    Applicant: RIKEN
    Inventors: Shinobu Kitazume, Ritsuko Oka, Yasuhiro Hashimoto, Yuji Sato, Tamao Endo, Makoto Higuchi, Hiroyuki Arai, Takaomi Saido, Keiko Sato