Patents by Inventor Koji Yasuda

Koji Yasuda 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).

  • Patent number: 8249442
    Abstract: A flash unit includes a flash device operable to emit flash, a storage member operable to store the flash device, a cover with which the storage member is covered from above, and to which the flash device is attached, a first link member that is turnably connected to the storage member at one end and turnably connected to the cover at another end, and a retaining member.
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: August 21, 2012
    Assignee: Panasonic Corporation
    Inventors: Koji Yasuda, Tetsuya Mori
  • Publication number: 20120069084
    Abstract: An ink composition includes a polymerization initiator, water, and a modified polyallylamine or modified polyvinylamine having an ethylenically unsaturated double bond in a side chain thereof.
    Type: Application
    Filed: August 29, 2011
    Publication date: March 22, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Koji YASUDA
  • Publication number: 20120069083
    Abstract: An ink composition includes a compound having a structure represented by the following Formula (I), a polymerization initiator and water; wherein, in Formula (I), R1 represents a hydrogen atom or a methyl group; X1 represents —O— or —NH—; A1 represents —O— or —NH—; M1 represents a metal atom; and n represents an integer of from 1 to 10.
    Type: Application
    Filed: August 29, 2011
    Publication date: March 22, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Koji YASUDA
  • Publication number: 20120008043
    Abstract: The imaging apparatus includes a lens mount to which a lens unit is mountable, an imaging unit operable to generate an image signal, and a shutter unit that is arranged between the lens mount and the imaging unit, and is capable of limiting the light incident on the imaging unit, opening and closing at least at recording and being kept in an opened state during a recording preparation operation, and a main frame to which the lens mount, the shutter unit and the imaging unit are fixed.
    Type: Application
    Filed: September 21, 2011
    Publication date: January 12, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: KOJI YASUDA, MASANAO WAKIKAWA, TSUNEYO METABI
  • Patent number: 8039542
    Abstract: Disclosed is a pigment dispersion containing a polymer compound having a partial structure represented by the following formula (1) at a terminal end of a main chain of the polymer compound, and a pigment. In formula (1), R1 and R2 each independently represent a hydrogen atom or a monovalent substituent; R1 and R2 may form a ring by bonding with each other; and * represents a position that is directly or indirectly bonded to the main chain structure of the compound.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: October 18, 2011
    Assignee: FUJIFILM Corporation
    Inventor: Koji Yasuda
  • Publication number: 20110234684
    Abstract: Provided is an image forming method including applying an ink that forms an image by inkjetting an ink composition containing coloring particles, a water-soluble polymerizable compound, a polymerization initiator and water onto a recording medium in which a base paper, a first layer containing a binder, and a second layer containing a white pigment are layered in this order, and a Cobb water absorption degree on a surface of the first layer placed on the base paper is 5.0 g/m2 or less as measured by a water absorption degree test according to JIS P8140 with a contact time of 15 seconds, and a water absorption amount on a surface of the second layer is 2 mL/m2 to 8 mL/m2 as measured by a Bristow method with a contact time of 0.5 seconds.
    Type: Application
    Filed: March 25, 2011
    Publication date: September 29, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Jun MATSUMOTO, Koji YASUDA, Kiyoshi IRITA, Misato SASADA
  • Publication number: 20110234892
    Abstract: A heat dissipating structure for an imaging unit includes an imaging element configured to convert light into an electrical signal, a first heat dissipating plate, a second heat dissipating plate, and a heat dissipating portion. The first heat dissipating plate has a first end and a second end disposed opposite to the first end, and is positioned on the rear face side of the imaging element. The second heat dissipating plate is positioned on the rear face side of the first heat dissipating plate. The heat dissipating portion is fixedly coupled to the first end of the second heat dissipating plate.
    Type: Application
    Filed: February 8, 2011
    Publication date: September 29, 2011
    Applicant: Panasonic Corporation
    Inventors: Koji YASUDA, Masanao Wakikawa
  • Publication number: 20110229641
    Abstract: “The invention provides an ink composition including a polymerizable compound represented by following Formula (1), a polymerization initiator and water: X?A)n ??Formula (1) wherein, in Formula (1), X represents a divalent or trivalent nitrogen-containing linking group represented by any one of following Formulae (X1) to (X3), A represents a polymerizable functional group having an amide group, and n represents 2 or 3: wherein, in Formulae (X1) to (X3), Z represents an alkylene group having 2 or 3 carbon atoms, or a divalent linking group including an alkylene group having 2 or 3 carbon atoms and an oxygen atom; and R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
    Type: Application
    Filed: March 9, 2011
    Publication date: September 22, 2011
    Applicant: FUJIFILM CORPORATION
    Inventor: Koji YASUDA
  • Publication number: 20110227370
    Abstract: There is a pit-defining (17) housing in a vehicle pillar in a spaced relationship with a vehicle inner panel assembly. A load-transferring element includes an anchor plate (27a) attached to the vehicle inner panel assembly and arms (27b, 27c) extending away from the anchor plate. Each of the arms (27b, 27c) is joined to one of sidewalls (17b, 17c) of the pit-defining housing at that area region which extends inwardly from a terminal end (27bT, 27cT) of the arm along an inside of the arm.
    Type: Application
    Filed: August 5, 2008
    Publication date: September 22, 2011
    Inventor: Koji Yasuda
  • Patent number: 8007035
    Abstract: A structure of a vehicle body is provided with an upper radiator support disposed in an upper front area of an engine compartment and an upper member supported by the upper radiator support. The upper member is disposed between the upper radiator support and a front portion of a hood covering the upper portion of the engine compartment. The upper member is provided with a main body portion extending along a lateral direction of a vehicle at an upper portion of the upper radiator support, a leg portion extending downwardly from each lateral end of the main body portion, and a hood lock disposed between the leg portions. Lower ends of the leg portions are coupled to the upper radiator support.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: August 30, 2011
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kou Jyo, Koji Yasuda
  • Publication number: 20110205291
    Abstract: An aqueous ink composition including: a water-soluble polymerizable compound containing two or more polymerizable functional groups each selected from the group consisting of a (meth)acrylamide group, a maleimide group, a vinyl sulfone group, and an N-vinyl amide group, wherein a ratio of a molecular weight of the compound relative to a number of the polymerizable functional groups contained in a single molecule of the compound is 175 or less; a polymerization initiator; and water.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 25, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Koji YASUDA, Takahiro KATO, Yasufumi OOISHI, Hirotaka KITAGAWA, Toshihiro KAMADA
  • Publication number: 20110205289
    Abstract: The present invention provides an ink composition including: a pigment, a water-soluble polymerizable compound (A) having an acrylamide structure in a molecule thereof, a water-soluble solvent (B), and water, in which a mass ratio of the polymerizable compound (A) and the water-soluble solvent (B) satisfies 1/10?B/A?2/3.
    Type: Application
    Filed: February 17, 2011
    Publication date: August 25, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Kiyoshi IRITA, Koji YASUDA
  • Publication number: 20110164171
    Abstract: The imaging apparatus includes a lens mount 4 to which a lens unit is mountable, an imaging unit 30 operable to generate an image signal, and a shutter unit 20 that is arranged between the lens mount 4 and the imaging unit 30, and is capable of limiting the light incident on the imaging unit 30, opening and closing at least at recording and being kept in an opened state during a recording preparation operation, and a main frame 11 to which the lens mount 4, the shutter unit 20 and the imaging unit 30 are fixed.
    Type: Application
    Filed: September 9, 2009
    Publication date: July 7, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Koji Yasuda, Masanao Wakikawa, Tsuneyo Metabi
  • Patent number: 7941045
    Abstract: A camera body that includes a lens attaching unit to which an interchangeable lens unit including a lens-side contact is mountable and that communicates information with the interchangeable lens unit when the interchangeable lens unit is attached to the lens attaching unit, the camera body comprising: a substrate; a holding member fixed to the substrate and formed of a conductive material; a body-side contact that is electrically connected to the lens-side contact when the interchangeable lens unit is mounted to the camera body and that is held by the holding member so as to be movable between a projected position at which the body-side contact projects from the holding member and a retracted position; and a biasing unit that biases the body-side contact to the projected position, wherein the body-side contact is electrically connected to the holding member.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: May 10, 2011
    Assignee: Panasonic Corporation
    Inventor: Koji Yasuda
  • Patent number: 7919545
    Abstract: The present invention provides a pigment dispersion containing at least a pigment at a concentration of from 2 to 50 mass % in the pigment dispersion, and a polymer having from 2 to 50 mass % of repeating units represented by the following formula (1) and from 2 to 40 mass % of repeating units represented by the following formula (2), and having a weight average molecular weight of 10,000 to 500,000. In formula (1), R1 represents a hydrogen atom or a methyl group, I represents —CO—, —COO—, etc., R2 represents an alkyl group having 1 to 4 carbon atoms. In formula (2), R4 represents a hydrogen atom or a methyl group, J represents —CO—, —COO—, etc., R5 represents a hydrogen atom, an alkyl group, an aryl group, etc., W represents a single bond or a bivalent linking group, and P represents a heterocyclic residue having a hetero ring contained in an organic pigment.
    Type: Grant
    Filed: June 1, 2009
    Date of Patent: April 5, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Norihide Shimohara, Yuuichi Hayata, Koji Yasuda
  • Publication number: 20110077319
    Abstract: A pigment dispersion including a pigment and a block polymer including a repeating unit including a hetero ring residue or an anthraquinone ring residue of a colorant is disclosed.
    Type: Application
    Filed: September 17, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM CORPORATION
    Inventor: Koji YASUDA
  • Publication number: 20110048912
    Abstract: A composite rotary switch includes a first rotary operation member configured to be rotatable around a rotational center, a second rotary operation member configured to be rotatable around the rotational center, an electrical position detector operable to electrically detect a rotational position of the first rotary operation member, and an optical position detector operable to optically detect a rotational position of the second rotary operation member.
    Type: Application
    Filed: August 23, 2010
    Publication date: March 3, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: KOJI YASUDA, TAKESHI UEDA
  • Publication number: 20110052171
    Abstract: A flash unit includes a flash device operable to emit flash, a storage member operable to store the flash device, a cover with which the storage member is covered from above, and to which the flash device is attached, a first link member that is turnably connected to the storage member at one end and turnably connected to the cover at another end, and a retaining member.
    Type: Application
    Filed: August 19, 2010
    Publication date: March 3, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: KOJI YASUDA, TETSUYA MORI
  • Publication number: 20110044681
    Abstract: An imaging apparatus includes a mount to which a lens unit is mountable, an imager operable to generate an image signal from light incident through the lens unit, a light-emitter operable to emit light, and an electric storage device operable to supply electric power to the light-emitter. The electric storage device is disposed behind the mount and below the imager.
    Type: Application
    Filed: August 11, 2010
    Publication date: February 24, 2011
    Applicant: PANASONIC CORPORATION
    Inventor: KOJI YASUDA
  • Patent number: 7834067
    Abstract: The present invention provides: a pigment composition that includes at least (A) a polyallylamine derivative including at least 1% to 50% by mol of a structural unit represented by Formula (1-a), 49% to 95% by mol of a structural unit represented by Formula (1-b) and 1% to 30% by mol of a structural unit represented by Formula (1-c), and (B) a pigment, and improves pigment dispersibility and dispersion stability; an ink composition, a printed article and an inkjet recording method, which use the pigment composition; and a polyallylamine derivative useful for these. In Formula (1-b), R1 represents —NHCOR3 or —NH3+OCOR3, in which R3 represents a residue obtained by removing a carboxy group from any one of polyester, polyamide or polyesteramide, which each have a free carboxylic acid. In Formula (1-c), R2 represents —NHCOR4 or —NH3+OCOR4, in which R4 represents an organic group having an aromatic ring or a heteroaromatic ring.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: November 16, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Ippei Nakamura, Norihide Shimohara, Koji Yasuda