Patents by Inventor Toyohisa Oya

Toyohisa Oya 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: 20200144474
    Abstract: A first object of the present invention is to provide a conductive film having excellent substrate adhesiveness and a method for manufacturing the conductive film. A second object of the present invention is to provide a thermoelectric conversion layer, a thermoelectric conversion element, and a thermoelectric conversion module which are formed using the conductive film. A third object of the present invention is to provide a composition for forming the conductive film. The conductive film according to an embodiment of the present invention contains carbon nanotubes and an insulating polymer having a polar group, in which a content of oxygen atoms in the carbon nanotubes is 0.5 to 5.0 atm %, and a content of the insulating polymer with respect to the carbon nanotubes is 10% to 100% by mass.
    Type: Application
    Filed: January 3, 2020
    Publication date: May 7, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hiroki SUGIURA, Naoyuki HAYASHI, Toyohisa OYA
  • Patent number: 9795566
    Abstract: Provided are a novel imidazole compound which has a high stability of the compound itself; and a novel imidazole compound which is useful as a membrane-constituting lipid of liposomes. Disclosed are a compound represented by the following General Formula (1), and a liposome containing the same compound. In the formula, Z is an imidazolyl group which may be substituted, L1 is an alkylene group having 1 to 4 carbon atoms which may be substituted, X is an oxygen atom or a nitrogen-containing substituent, n is an integer of 2 to 4, m is an integer of 1 to 20, L2 is a divalent linking group having 1 to 6 carbon atoms, Y is a nitrogen-containing group, R1 and R2 are a hydrogen group or an alkyl group having 1 to 6 carbon atoms, R3 is a hydrogen atom or a substituent, and R4 and R5 are an alkyl group having 1 to 40 carbon atoms.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: October 24, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Toyohisa Oya, Ayumi Ishiyama, Naoyuki Nishikawa
  • Publication number: 20170119667
    Abstract: Provided are a novel imidazole compound which has a high stability of the compound itself; and a novel imidazole compound which is useful as a membrane-constituting lipid of liposomes. Disclosed are a compound represented by the following General Formula (1), and a liposome containing the same compound. In the formula, Z is an imidazolyl group which may be substituted, L1 is an alkylene group having 1 to 4 carbon atoms which may be substituted, X is an oxygen atom or a nitrogen-containing substituent, n is an integer of 2 to 4, m is an integer of 1 to 20, L2 is a divalent linking group having 1 to 6 carbon atoms, Y is a nitrogen-containing group, R1 and R2 are a hydrogen group or an alkyl group having 1 to 6 carbon atoms, R3 is a hydrogen atom or a substituent, and R4 and R5 are an alkyl group having 1 to 40 carbon atoms.
    Type: Application
    Filed: January 13, 2017
    Publication date: May 4, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Toyohisa OYA, Ayumi ISHIYAMA, Naoyuki NISHIKAWA
  • Patent number: 9633755
    Abstract: The conductive composition contains at least (a) conductive metal fibers, and (b) at least one compound selected from a compound represented by the following Formula (1), a compound represented by the following Formula (2), and a compound having a partial structure represented by the following Formula (3). Each of R1 and R2 independently represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, or a carbamoyl group. Each of R3, R4, R5, R6, R8, R9, R10, and R11 independently represents an alkyl group having 1 to 4 carbon atoms, and R7 represents a hydrogen atom or a substituent. R12 represents an alkyl group, an alkoxy group, an acyl group, or a hydrogen atom. * represents a bond.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: April 25, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Tokihiko Matsumura, Toyohisa Oya, Kazushi Furukawa
  • Patent number: 9343594
    Abstract: A conductive composition includes at least: a) metal conductive fibers having an average minor axis length of from 1 nm to 150 nm; and b) a compound represented by the following Formula (1) or Formula (2) in an amount of from 0.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: May 17, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Toyohisa Oya, Shinichi Nakahira
  • Patent number: 9255077
    Abstract: A mercapto compound is represented by formula (1) (in formula (1), R1 and R2 each independently represent a hydrogen atom or an alkyl group; R3 and R4 each independently represent a hydrogen atom or a substituent; n represents 1 or 2; m represents an integer of 1 to 6; l represents an integer of 1 to 6; q represents 0 or 1; p represents 2 or 3; p+q represents 3; X represents a perfluoroalkyl group having 1 to 14 carbon atoms; when n is 2, structures of units represented by CR1R2 may be identical to or different from each other; and when m is 2 or more, structures of units represented by CR3R4 may be identical to or different from each other). The mercapto compound is novel and has excellent affinity for a fluorine-containing polymer and a fluorine-containing solvent.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: February 9, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Toyohisa Oya, Tokihiko Matsumura, Yasuaki Matsushita
  • Patent number: 9224518
    Abstract: The conductive composition contains at least (a) conductive metal fibers, and (b) at least one compound selected from a compound represented by the following Formula (1) and a compound represented by the following Formula (2). In Formula (1), each of R1 and R2 independently represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, or a halogen atom, and R3 represents an alkyl group or an aryl group. The compound represented by Formula (1) may include a structure that plural compounds represented by Formula (1) are linked to each other in a single molecule. In Formula (2), each of R4 and R5 independently represents an alkyl group. The compound represented by Formula (2) may include a structure that plural compounds represented by Formula (2) are linked to each other.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: December 29, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Tokihiko Matsumura, Toyohisa Oya, Kazushi Furukawa
  • Publication number: 20150329467
    Abstract: A phenol compound is represented by formula (1) (in formula (1), R1 and R2 each independently represent an alkyl group having 1 to 12 carbon atoms; A represents an alkylene group having 1 to 2 carbon atoms; X represents an alkylene group having 1 to 3 carbon atoms optionally containing a hydroxyl group; and Y represents a linear perfluoroalkyl group having 4 to 12 carbon atoms). The phenol compound is novel and has excellent affinity for a fluorine-containing polymer and a fluorine-containing solvent.
    Type: Application
    Filed: December 10, 2013
    Publication date: November 19, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Toyohisa OYA, Tokihiko MATSUMURA, Yasuaki MATSUSHITA
  • Publication number: 20150275029
    Abstract: A sealing resin composition, which coats silver wiring or a laminate including the silver wiring, comprises: a fluorine-based resin (A); and a migration inhibitor (B) having a fluorine content rate of equal to or more than 35 mass % and less than 65 mass %, wherein the mass ratio ((B)/(A)) of the migration inhibitor (B) to the fluorine-based resin (A) is equal to or more than 0.0010 and less than 0.10.
    Type: Application
    Filed: June 2, 2015
    Publication date: October 1, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Yasuaki MATSUSHITA, Toyohisa OYA, Tokihiko MATSUMURA
  • Publication number: 20150266840
    Abstract: A mercapto compound is represented by formula (1) (in formula (1), R1 and R2 each independently represent a hydrogen atom or an alkyl group; R3 and R4 each independently represent a hydrogen atom or a substituent; n represents 1 or 2; m represents an integer of 1 to 6; 1 represents an integer of 1 to 6; q represents 0 or 1; p represents 2 or 3; p+q represents 3; X represents a perfluoroalkyl group having 1 to 14 carbon atoms; when n is 2, structures of units represented by CR1R2 may be identical to or different from each other; and when m is 2 or more, structures of units represented by CR3R4 may be identical to or different from each other). The mercapto compound is novel and has excellent affinity for a fluorine-containing polymer and a fluorine-containing solvent.
    Type: Application
    Filed: June 3, 2015
    Publication date: September 24, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Toyohisa OYA, Tokihiko MATSUMURA, Yasuaki MATSUSHITA
  • Publication number: 20150013764
    Abstract: The conductive composition contains at least (a) conductive metal fibers, and (b) at least one compound selected from a compound represented by the following Formula (1), a compound represented by the following Formula (2), and a compound having a partial structure represented by the following Formula (3). Each of R1 and R2 independently represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, or a carbamoyl group. Each of R3, R4, R5, R6, R8, R9, R10, and R11 independently represents an alkyl group having 1 to 4 carbon atoms, and R7 represents a hydrogen atom or a substituent. R12 represents an alkyl group, an alkoxy group, an acyl group, or a hydrogen atom. * represents a bond.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 15, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Tokihiko MATSUMURA, Toyohisa OYA, Kazushi FURUKAWA
  • Publication number: 20150013763
    Abstract: The conductive composition contains at least (a) conductive metal fibers, and (b) at least one compound selected from a compound represented by the following Formula (1) and a compound represented by the following Formula (2). In Formula (1), each of R1 and R2 independently represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, or a halogen atom, and R3 represents an alkyl group or an aryl group. The compound represented by Formula (1) may include a structure that plural compounds represented by Formula (1) are linked to each other in a single molecule. In Formula (2), each of R4 and R5 independently represents an alkyl group. The compound represented by Formula (2) may include a structure that plural compounds represented by Formula (2) are linked to each other.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 15, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Tokihiko MATSUMURA, Toyohisa OYA, Kazushi FURUKAWA
  • Publication number: 20140202531
    Abstract: A conductive composition includes at least: a) metal conductive fibers having an average minor axis length of from 1 nm to 150 nm; and b) a compound represented by the following Formula (1) or Formula (2) in an amount of from 0.
    Type: Application
    Filed: March 26, 2014
    Publication date: July 24, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Toyohisa OYA, Shinichi NAKAHIRA
  • Patent number: 8714088
    Abstract: A lithographic printing plate precursor includes an image-recording layer and a protective layer containing a stratiform compound, wherein at least one of the image-recording layer and the protective layer contains a polymer containing as a repeating unit, a structural unit having an ammonium structure.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: May 6, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Toyohisa Oya, Kazuto Kunita, Katsumi Araki, Yu Iwai, Koji Sonokawa, Tomoya Sasaki
  • Patent number: 8492069
    Abstract: A lithographic printing plate precursor, comprising a support having thereon an image-recording layer containing (A) an infrared absorbing agent, (B) a radical polymerization initiator, (C) a radical polymerizable compound, (D) a polymer compound containing a polyoxyalkylene structure and (E) an ultraviolet absorbing agent and being capable of forming an image by supplying at least one of printing ink and dampening water on a printing machine after imagewise exposure to remove an unexposed area of the image-recording layer.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: July 23, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Yasuhiro Kubota, Toyohisa Oya
  • Patent number: 8142982
    Abstract: A lithographic printing plate precursor capable of being subjected to on-press development by supplying at least one of printing ink and dampening water and including a support, an image-recording layer and optionally an undercoat layer between the support and the image-recording layer, wherein at least one of the undercoat layer and the image-recording layer contains at least one of a compound represented by the formula (1A) as defined herein and a compound including a structure represented by the formula (1B) as defined herein.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: March 27, 2012
    Assignee: Fujifilm Corporation
    Inventors: Toyohisa Oya, Ryuki Kakino, Tomoya Sasaki, Yu Iwai
  • Patent number: 8124317
    Abstract: A planographic printing plate precursor having an intermediate layer containing a copolymer containing structural units represented by Formulae (1), (2) and (3) below, and a image forming layer, in this order on a support, wherein R1, R2 and R3 each represent a hydrogen atom, a substituent having from 1 to 30 carbon atoms, or a halogen atom, L1 represents a single bond or a (n+1)-valent connecting group, n represents an integer of from 0 to 10, L2 represents a single bond or a (m+1)-valent connecting group, X represents a carboxylate ion, M represents a counter cation necessary for neutralization of charge, m represents an integer of from 1 to 10, and Y represents a substituent having from 0 to 30 carbon atoms, provided that Y does not represent a carboxy group and does not represent the same constituent as (XM).
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: February 28, 2012
    Assignee: Fujifilm Corporation
    Inventors: Toyohisa Oya, Shigefumi Kanchiku, Keisuke Arimura
  • Patent number: 8012668
    Abstract: A planographic printing plate precursor including: a support; a hydrophilic layer including a hydrophilic polymer chemically bonded to a surface of the support, where the hydrophilic polymer has a positively-charged substituent and at least one reactive group selected from the group consisting of a reactive group capable of directly chemically bonding to a surface of the support and a reactive group capable of chemically bonding to a surface of the support via a crosslinked structure; and an image forming layer, wherein the hydrophilic layer and the image forming layer are provided in that order on the support.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: September 6, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Toshihide Aoshima, Toyohisa Oya
  • Patent number: 8003224
    Abstract: A method for producing a cellulose acylate composition, which comprises filtering a solution in which cellulose acylate satisfying the following formulae 1 to 3 and having melt viscosity of 150 to 1000 Pa·s at 230° C. is dissolved in a solvent through a filter having a retention particle size of 0.1 to 40 ?m, and mixing the filtered solution with a poor solvent to reprecipitate cellulose acylate: 1.5?A+B?3??Formula 1 0?A?2.0??Formula 2 1.0?B?3??Formula 3 where A is a substitution degree for an acetyl group of a hydrogen atom which constitutes a hydroxyl group of cellulose, and B is a substitution degree for an acyl group having 3 to 7 carbon atoms of a hydrogen atom which constitutes a hydroxyl group of cellulose.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: August 23, 2011
    Assignee: Fujifilm Corporation
    Inventor: Toyohisa Oya
  • Patent number: 7955781
    Abstract: A negative-working photosensitive material is provided which includes: a support; an undercoat layer; and a photosensitive layer including a polymerization initiator, a polymerizable compound, and a binder polymer, wherein the support, the undercoat layer, and the photosensitive layer are sequentially layered, the undercoat layer includes a polymer including a structural unit (a) including at least one of a carboxylic acid or a carboxylic acid salt and a structural unit (b) including at least one carboxylic acid ester; and the content of the structural unit (a) in the polymer is from 30% to 90% by mole. Also, a negative-working planographic printing plate precursor including the negative-working photosensitive material is provided.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: June 7, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Shigefumi Kanchiku, Toyohisa Oya