Patents by Inventor Hiroyuki Hirai

Hiroyuki Hirai 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: 20100276003
    Abstract: Using a manufacturing method which includes a process (A) for forming a particle layer of a plurality of one or more types of particles consisting mainly of a metal oxide and/or a metal hydroxide, and a process (B) for forming, using a reaction solution which includes one or more types of metal ions, a metal oxide layer consisting mainly of an oxide of the one or more types of metal ions on the particle layer so as to cover the particle layer without any cracks by a liquid phase method under a pH condition in which at least a portion of the plurality of particles remains without being dissolved by the reaction solution, a layered film having a layered structure of the particle layer and the metal oxide layer is manufactured.
    Type: Application
    Filed: April 29, 2010
    Publication date: November 4, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Tetsuo KAWANO, Hiroyuki HIRAI, Masayuki SUZUKI
  • Publication number: 20100260693
    Abstract: A cosmetic composition contains star-shaped zinc oxide particles each having a star shape, and containing zinc oxide as a main substance thereof.
    Type: Application
    Filed: April 8, 2010
    Publication date: October 14, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuo Kawano, Hiroyuki Hirai, Kazuhiro Nakamura
  • Publication number: 20100129280
    Abstract: A method for manufacturing a BiMO particle (M is either one of Si, Ge, Ti, and Sn), in which at least one type of compound selected from the group consisting of a silicon compound, a germanium compound, a titanium compound, and a tin compound is reacted with a bismuth compound by agitating and mixing the compounds in an alkali water solution in the presence of an amino compound.
    Type: Application
    Filed: November 25, 2009
    Publication date: May 27, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki HIRAI, Yoshiko NIINO
  • Patent number: 7679925
    Abstract: A fabricating method of a wiring board provided with passive elements is disclosed. The fabricating method includes coating one or both of resistive paste and dielectric paste on at least any one of first surfaces of a first metal foil and a second metal foil each of which has a first surface and a second surface; arranging an insulating board having thermo-plasticity and thermo-setting properties so as to face the first surface of the first metal foil, and arranging the first surface side of the second metal foil so as to face a surface different from a surface to which the first metal foil faces of the insulating board; forming a double-sided wiring board by stacking, pressurizing and heating the arranged first metal foil, insulating board, and second metal foil, and thereby integrating these; and patterning the first metal foil and/or the second metal foil.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: March 16, 2010
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Yoshitaka Fukuoka, Tooru Serizawa, Hiroshi Yagi, Osamu Shimada, Hiroyuki Hirai, Yuji Yamaguchi
  • Patent number: 7651782
    Abstract: The present invention provides a method for producing metallic nanoparticles, which includes reacting a copper compound with a hydrazine reducing agent in an organic solvent in the presence of a precious metal compound, wherein the precious metal compound is a compound containing at least one precious metal selected from the group consisting of platinum, gold, silver, and palladium, and the total number of precious metal atoms in the precious metal compound is in the range of 1 to 10 at. % of the total copper atoms in the copper compound.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: January 26, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Masashi Shirata, Hiroyuki Hirai
  • Publication number: 20100015643
    Abstract: There is provided a method of quantitative determination using a flow cytometer, with which quantitative determination of cell surface protein can be effected more accurately than with current methods.
    Type: Application
    Filed: May 21, 2007
    Publication date: January 21, 2010
    Inventors: Chuwa Tei, Kouji Orihara, Kinya Nagata, Ryutaro Oba, Hiroyuki Hirai
  • Patent number: 7644497
    Abstract: To provide a component built-in wiring board and a manufacturing method thereof capable of further improving component mounting density without deteriorating-reliability.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: January 12, 2010
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Tatsuro Imamura, Yuji Yamaguchi, Kazuhiro Shinozaki, Satoshi Shibazaki, Yoshitaka Fukuoka, Hiroyuki Hirai, Osamu Shimada, Kenji Sasaoka, Kenichi Matsumura
  • Publication number: 20090311530
    Abstract: To provide a method for producing a silver nanowire, including heating a silver complex in an aqueous solvent at a temperature equal to or below the boiling point of the aqueous solvent in the presence of at least one of a hydroxyketone compound and a hydroxylamine compound, and a silver nanowire obtained by the method.
    Type: Application
    Filed: June 9, 2009
    Publication date: December 17, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki HIRAI, Yoshiko NIINO, Nori MIYAGISIMA
  • Publication number: 20090242231
    Abstract: A method for producing a silver nanowire including heating a silver complex in a water solvent at a temperature equal to or below the boiling point of the water solvent, and the silver nanowire produced by the method.
    Type: Application
    Filed: March 27, 2009
    Publication date: October 1, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Nori Miyagisima, Kenzi Naoi, Hiroyuki Hirai
  • Publication number: 20090233086
    Abstract: The present invention provides a transparent conductive film including metal oxide microparticles having a mean particle diameter of 2 nm to 1,000 nm and silver nanowires having a minor axis diameter of 2 nm to 100 nm and an aspect ratio of 10 to 200.
    Type: Application
    Filed: February 20, 2009
    Publication date: September 17, 2009
    Applicant: FUJIFILM Corporation
    Inventor: Hiroyuki HIRAI
  • Patent number: 7556856
    Abstract: The present invention provides a light-shielding film arranged in a display device and shading a part of a display screen as a part of a color filter, which film includes fine metallic compound particles having an average particle diameter of 60 to 3000 nm and a high-molecular-weight binder, and has an optical density of 2.0 or more in a light-shaded region.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: July 7, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Akira Hatakeyama, Hiroyuki Hirai
  • Publication number: 20090152506
    Abstract: In a process for producing an oriented inorganic crystalline film, a non-monocrystalline film containing inorganic crystalline particles is formed on a substrate by a liquid phase technique using a raw-material solution which contains a raw material and an organic solvent, where the inorganic crystalline particles have a layered crystal structure and are contained in the raw material. Then, the non-monocrystalline film is crystallized by heating the non-monocrystalline film to a temperature equal to or higher than the crystallization temperature of the non-monocrystalline film so that part of the inorganic crystalline particles act as crystal nuclei.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 18, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Kenichi UMEDA, Hiroyuki Hirai, Atsushi Tanaka, Katsuhiro Kohda, Kohei Higashi, Hiroshi Sunagawa
  • Publication number: 20090130022
    Abstract: A liposome containing a phosphatidylcholine and a phosphatidylserine in combination as membrane components at a phosphatidylcholine:phosphatidylserine molar ratio of 3:1 to 1:2, and said liposome containing superparamagnetic particles having a mean particle size not less than 1 nm and not more than 50 nm. A means for selectively accumulating an MRI contrast medium in a lesion of a vascular disease caused by abnormal proliferation of vascular smooth muscle cells such as arteriosclerosis and restenosis after PTCA is provided.
    Type: Application
    Filed: June 6, 2006
    Publication date: May 21, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Junji Nishigaki, Hiroyuki Hirai, Masayoshi Kojima, Kazuhiro Aikawa
  • Patent number: 7507447
    Abstract: Disclosed is a method for producing a transparent conductive film comprising a coating step for coating a coating solution containing metal nanoparticles on a substrate to form a coated layer, a drying step for drying the coated layer and a baking step for baking the coated layer to obtain a transparent conductive film, wherein a metal in the metal nanoparticles is oxidized to a metal oxide during at least one of the coating step, the drying step and the baking step. According to this method, a transparent conductive film having a low specific resistance and a high light transmittance can be produced by coating.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: March 24, 2009
    Assignee: Fujifilm Corporation
    Inventors: Hiroyuki Hirai, Yasushi Araki, Yoshio Tadakuma
  • Publication number: 20090074671
    Abstract: An object of the present invention is to provide a composite of an inorganic nanoparticle with a medicinal compound (i.e., an active substance), and to provide a method for producing the inorganic nanoparticle composite, which is highly versatile and convenient. The present invention provides an active substance-immobilized inorganic nanoparticle wherein an active substance is immobilized through physical adsorption on the surface of an inorganic nanoparticle of 1 to 500 nm in average particle size.
    Type: Application
    Filed: March 30, 2007
    Publication date: March 19, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Masayoshi Kojima, Hiroyuki Hirai
  • Patent number: 7505912
    Abstract: An audio decoding device includes a playback speed change device for changing, with respect to a decoded audio signal obtained by a decoding device, the playback speed thereof; an output buffer for temporarily storing a digital audio signal outputted from the playback speed change device; a read out device for reading out the digital audio signals stored in the output buffer at predetermined time intervals; a playback speed control device for controlling the playback speed change device on the basis of the number of packets stored in the jitter buffer; and decoding timing control means for controlling the timing of decoding by the decoding device on the basis of the amount of data stored in the output buffer.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: March 17, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kozo Okuda, Mika Kirimoto, Hiroyuki Hirai, Hiroki Onishi
  • Publication number: 20090039316
    Abstract: A doped-type metal sulfide phosphor nanoparticle, whose surface is modified with a surface modifier, the surface modifier being a compound of formula [I]: HS-L-W??Formula [I] wherein L is a divalent linking group; and W is COOM or NH2, in which M is a hydrogen atom, an alkali metal atom, or NX4, in which X is a hydrogen atom or an alkyl group; a dispersion containing the nanoparticle; and a method of producing the nanoparticle or the dispersion.
    Type: Application
    Filed: October 3, 2008
    Publication date: February 12, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Hiroyuki HIRAI, Keiko SUGIHARA, Junji NISHIGAKI
  • Publication number: 20090029481
    Abstract: An object to be achieved by the present invention is to provide a method for determining the amount of a component contained in a specific lipoprotein fraction in a biological sample using an automatic analyzer, without the requirement of a step of fractionating a sample by centrifugation. The present invention provides a method for separating a target component in a biological sample, which comprises the steps of: (1) causing a biological sample to come into contact with independently dispersed magnetic nanoparticles having a particle size of 50 nm or less, which have anionic functional groups on their surfaces, so as to form an agglutinate of the magnetic nanoparticles and biomolecules capable of interacting with the magnetic nanoparticles; and (2) collecting the agglutinate by an external magnetic field.
    Type: Application
    Filed: June 29, 2006
    Publication date: January 29, 2009
    Inventors: Masayoshi Kojima, Hiroyuki Hirai, Shigeki Kageyama, Yoshihiko Abe
  • Patent number: 7462299
    Abstract: A doped-type metal sulfide phosphor nanoparticle dispersion, comprising a doped-type metal sulfide phosphor nanoparticle dispersed in water and/or a hydrophilic solvent, wherein the doped-type metal sulfide phosphor nanoparticle comprises a surface that is modified with a surface modifier, the surface modifier being a compound represented by formula [I]: HS-L-W??Formula [I] wherein L represents a divalent linking group; and W represents COOM or NH2, in which M represents a hydrogen atom, an alkali metal atom, or NX4, in which X represents a hydrogen atom or an alkyl group.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: December 9, 2008
    Assignee: Fujifilm Corporation
    Inventors: Hiroyuki Hirai, Keiko Sugihara, Junji Nishigaki
  • Patent number: 7462300
    Abstract: A doped-type metal sulfide phosphor nanoparticle, whose surface is modified with a surface modifier, the surface modifier being a compound of formula [I]: HS-L-W??Formula [I] wherein L is a divalent linking group; and W is COOM or NH2, in which M is a hydrogen atom, an alkali metal atom, or NX4, in which X is a hydrogen atom or an alkyl group; a dispersion containing the nanoparticle; and a method of producing the nanoparticle or the dispersion.
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: December 9, 2008
    Assignee: FujiFilm Corporation
    Inventors: Hiroyuki Hirai, Keiko Sugihara, Junji Nishigaki