Patents by Inventor Jun Arakawa

Jun Arakawa 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: 20080131515
    Abstract: An emulsion composition having a small particle size of emulsified particles and excellent emulsion stability is provided. The emulsion composition includes a phospholipid, an oil-based component and a surfactant, wherein the content of the surfactant exceeds 0.5 times by weight the content of the oil-based component, and exceeds 5 times by weight the content of the phospholipid.
    Type: Application
    Filed: November 28, 2007
    Publication date: June 5, 2008
    Inventors: Manabu Ogawa, Jun Arakawa, Keiichi Suzuki, Kozo Nagata
  • Publication number: 20070232723
    Abstract: The aqueous pigment ink composition includes: a pigment; and a block polymer containing at least one type of hydrophilic block and at least one type of hydrophobic block, wherein: an average Stokes diameter of dispersed particles including the pigment and the block polymer is in a range of 30 nm to 100 nm; and a total content of metal in the aqueous pigment ink composition is not more than 100 ppm with respect to the pigment.
    Type: Application
    Filed: March 28, 2007
    Publication date: October 4, 2007
    Applicant: FUJIFILM Corporation
    Inventor: Jun Arakawa
  • Patent number: 7241563
    Abstract: A silver halide color photographic light-sensitive material having a silver halide emulsion layer, and (1) a substantially light-insensitive dye-forming-coupler-containing layer, and (2) at least one layer selected from a non-color-forming intermediate layer containing a color-mixing inhibitor and a non-color-forming intermediate layer substantially free of color-mixing inhibitor, wherein i) when the light-insensitive dye-forming-coupler-containing layer is included, the layer is positioned adjacent to the silver halide emulsion layer, and ii) when the non-color-forming intermediate layer containing a color-mixing inhibitor and the non-color-forming intermediate layer substantially free of color-mixing inhibitor are included, these layers are positioned adjacent to each other.
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: July 10, 2007
    Assignee: FUJIFILM Corporation
    Inventors: Mamoru Sakurazawa, Jun Arakawa
  • Publication number: 20060251905
    Abstract: A gas barrier film having a steam permeability at 38° C. and 90% relative humidity of 0.005 g/m2/day or less, which comprises an inorganic barrier layer containing two or more kinds of metal oxides and a polymer layer adjacent to the inorganic barrier layer on a plastic film substrate.
    Type: Application
    Filed: April 6, 2006
    Publication date: November 9, 2006
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Jun Arakawa
  • Publication number: 20050100835
    Abstract: A silver halide color photographic light-sensitive material having a silver halide emulsion layer, and (1) a substantially light-insensitive dye-forming-coupler-containing layer, and (2) at least one layer selected from a non-color-forming intermediate layer containing a color-mixing inhibitor and a non-color-forming intermediate layer substantially free of color-mixing inhibitor, wherein i) when the light-insensitive dye-forming-coupler-containing layer is included, the layer is positioned adjacent to the silver halide emulsion layer, and ii) when the non-color-forming intermediate layer containing a color-mixing inhibitor and the non-color-forming intermediate layer substantially free of color-mixing inhibitor are included, these layers are positioned adjacent to each other.
    Type: Application
    Filed: November 8, 2004
    Publication date: May 12, 2005
    Inventors: Mamoru Sakurazawa, Jun Arakawa
  • Patent number: 6800123
    Abstract: An ink-jet ink which comprises a dye dispersed product, an oil-soluble dye being dissolved in a high boiling point organic solvent which has a boiling point of 150° C. or more and has a specific inductive capacity at 25° C. of 3 to 12, the oil-soluble dye is emulsified and dispersed in a water-based medium, and the dye dispersed product is formed. Further, a method of manufacturing an ink-jet ink, in which an oil-soluble dye is dissolved in a high boiling point organic solvent which has a boiling point of 150° C. or more and has a specific inductive capacity at 25° C. of 3 to 12, and the oil soluble dye is emulsified and dispersed at a pressure of 50 MPa or more using a high-pressure emulsifying and dispersing device.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: October 5, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Jun Arakawa
  • Patent number: 6746830
    Abstract: A silver halide photosensitive material having a substrate, a heat-responsive-discolorable coloring layer and a photosensitive layer coated thereon and having a silver halide, dye-providing compound and a binder, the heat-responsive-discolorable coloring layer containing a heat-responsive-discolorable coloring composition, which is colored at a temperature lower than its discoloration initiation temperature (T) of 60 to 200° C.; which is substantially discolored at a temperature equal to or higher than T; and which does not recover its color once discolored, even when its temperature is lowered to a temperature lower than T again, and the heat-responsive-discolorable coloring composition containing a polymer having a glass transition temperature of 60 to 200° C.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: June 8, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Jun Arakawa, Takahiro Ishizuka
  • Publication number: 20030186176
    Abstract: A silver halide photosensitive material having a substrate, a heat-responsive-discolorable coloring layer and a photosensitive layer coated thereon and having a silver halide, dye-providing compound and a binder, the heat-responsive-discolorable coloring layer containing a heat-responsive-discolorable coloring composition, which is colored at a temperature lower than its discoloration initiation temperature (T) of 60 to 200° C.; which is substantially discolored at a temperature equal to or higher than T; and which does not recover its color once discolored, even when its temperature is lowered to a temperature lower than T again, and the heat-responsive-discolorable coloring composition containing a polymer having a glass transition temperature of 60 to 200° C.
    Type: Application
    Filed: October 25, 2002
    Publication date: October 2, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Jun Arakawa, Takahiro Ishizuka
  • Patent number: 6513559
    Abstract: A pneumatic tire is disclosed, which comprises: (1) a reinforcing rubber layer made of short fiber reinforced rubber, alternatively (2) a reinforcing rubber layer having hardness set in a range of 90° to 99° of JIS-A hardness, which is arranged in an area of a bead section from a bead toe section along a tire inner wall surface, and wherein a chafer composed a non-metallic fiber cord having a high strength and a high elastic modulus is provided to cover an outer side of the reinforcing rubber layer from the tire inner wall surface to the bead toe area.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: February 4, 2003
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Jun Arakawa
  • Publication number: 20020177088
    Abstract: A heat-developable silver halide color photographic light-sensitive material, which has a support and contains, on the support, a photosensitive silver halide, an organosilver salt, a developing agent, and a coupler that is capable of forming a dye upon a coupling reaction with an oxidized developing agent,
    Type: Application
    Filed: February 8, 2002
    Publication date: November 28, 2002
    Inventor: Jun Arakawa
  • Publication number: 20020135788
    Abstract: A photosensitive material containing a photosensitive silver halide and an organic silver salt and capable of forming an image, which corresponds to a latent image recorded on the photosensitive material through exposure, when the photosensitive material is heated, is utilized for forming an image. The photosensitive material, on which the latent image has been recorded, is heated, and the image corresponding to the latent image is formed with the heating on the photosensitive material. The image is read out from the heat-developed photosensitive material, and an image signal having thus been obtained is subjected to image processing for forming a digital image signal, from which the image is capable of being reproduced.
    Type: Application
    Filed: November 30, 2001
    Publication date: September 26, 2002
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Jun Arakawa, Hiroaki Nakamura, Tomonori Nishio, Yasuhiko Kachi
  • Publication number: 20020007762
    Abstract: An ink-jet ink which comprises a dye dispersed product, an oil-soluble dye being dissolved in a high boiling point organic solvent which has a boiling point of 150° C. or more and has a specific inductive capacity at 25° C. of 3 to 12, the oil-soluble dye is emulsified and dispersed in a water-based medium, and the dye dispersed product is formed. Further, a method of manufacturing an ink-jet ink, in which an oil-soluble dye is dissolved in a high boiling point organic solvent which has a boiling point of 150° C. or more and has a specific inductive capacity at 25° C. of 3 to 12, and the oil soluble dye is emulsified and dispersed at a pressure of 50 MPa or more using a high-pressure emulsifying and dispersing device.
    Type: Application
    Filed: March 8, 2001
    Publication date: January 24, 2002
    Inventor: Jun Arakawa
  • Publication number: 20010054468
    Abstract: A pneumatic tire is disclosed, which comprises: (1) a reinforcing rubber layer made of short fiber reinforced rubber, alternatively (2) a reinforcing rubber layer having hardness set in a range of 90° to 99° of JIS-A hardness, which is arranged in an area of a bead section from a bead toe section along a tire inner wall surface, and wherein a chafer composed of an organic fiber cord having a high strength and a high elastic modulus is provided to cover an outer side of the reinforcing rubber layer from the tire inner wall surface to the bead toe area.
    Type: Application
    Filed: July 9, 2001
    Publication date: December 27, 2001
    Applicant: The Yokohama Rubber Co., Ltd.
    Inventor: Jun Arakawa
  • Patent number: 6303261
    Abstract: Disclosed are a silver halide color photographic material having on a support a photographic element in which silver halide grains, a developing agent and a coupler capable of forming a dye by reaction with an oxidation product of the developing agent are incorporated, the photographic element further comprising at least one color stain inhibitive compound represented by the following formula (SC-1) or (SC-2) and at least one photographically useful group-releasing compound represented by the following formula (II); and a method of forming color images by the use of the foregoing material: A—[(L1)a—(B)m]p—(L2)n—PUG  (II)
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: October 16, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Jun Arakawa, Toshio Kawagishi
  • Patent number: 6286576
    Abstract: A pneumatic tire is disclosed, which comprises: (1) a reinforcing rubber layer made of short fiber reinforced rubber, alternatively (2) a reinforcing rubber layer having hardness set in a range of 90° to 99° of JIS-A hardness, which is arranged in an area of a bead section from a bead toe section along a tire inner wall surface, and wherein a chafer composed of a non-metallic fiber cord having a high strength and a high elastic modulus is provided to cover an outer side of the reinforcing rubber layer from the tire inner wall surface to the bead toe area.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: September 11, 2001
    Assignee: The Yokohama Rubber Co., LTD
    Inventor: Jun Arakawa
  • Patent number: 6218088
    Abstract: An image formation method for forming a color image by imagewise exposing a color negative type silver halide photographic material comprising a transparent support having provided thereon at least three kinds of light-sensitive layers, followed by development processing at a temperature of 50° C. or more, which comprises the steps of reading with an imaging apparatus an image obtained from the color negative type silver halide photographic material whose sensitivity and gradient satisfy the following relationship, applying digital image processing thereto, and then, obtaining output signals of three or more colors: 1.0≦(log10S)·&ggr;≦2.5 S≧800 wherein S represents an ISO sensitivity, and &ggr; represents an average gradient of the three kinds of light-sensitive layers, thereby inviting no failure in shooting due to insufficient exposure in a compact camera or a film with lens, and forming a color image of high quality.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: April 17, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Jun Arakawa
  • Patent number: 6203125
    Abstract: Disclosed is a track belt for a snowmobile, which comprises a track belt main body, a core body arranged along a longitudinal direction of the track belt main body, reinforcing woven cloths disposed respectively in the outside and inside of the core body, cover layers for covering these reinforcing woven cloths and a plurality of horizontal rigid members placed at specified intervals in the longitudinal direction of the track belt main body and in the cross direction of the same. Overlapping of the reinforcing woven cloth is disposed respectively in the outside and inside of the horizontal rigid members. Reinforcing woven cloth is made by spirally winding a belt-like woven cloth having a specified width on a circumference of the track belt main body at a specified angle to the longitudinal direction of the track belt main body. Reinforcing woven cloths are made of tire fabric cords.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: March 20, 2001
    Assignee: Yokohama Rubber Co., Ltd.
    Inventors: Jun Arakawa, Jun Shimada
  • Patent number: 5962205
    Abstract: The present invention provides a silver halide color photographic light-sensitive material which has a high sensitivity and a high image quality, and a method and apparatus for forming an image by use of the light-sensitive material. The light-sensitive material comprises a support having provided thereon three light-sensitive units each having a different color-sensitivity, wherein one of the light-sensitive units is a white-sensitive unit having a spectral sensitivity distribution satisfying the following conditions. The method and apparatus for forming images using the material, in which the material is imagewise-exposed and subject to processing, thereby forming an image, the image is read out by an image pick-up means, then subjected to digital image processing, and three or more color output signals are obtained.0.05.ltoreq.S.sub.450 /S.sub.550 .ltoreq.1.2 and 0.05.ltoreq.S.sub.600 /S.sub.550 .ltoreq.1.2 wherein S.sub.450, S.sub.550 and S.sub.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: October 5, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Jun Arakawa, Tooru Matama
  • Patent number: 4916054
    Abstract: Disclosed is a silver halide photographic material having at least one light-sensitive silver halide emulsion layer on a support and containing, in the silver halide emulsion layer or in any other hydrophilic colloid layer, a coating aid of a general formula (I):A--O--X--(B).sub.n --SO.sub.3 M (I)whereinX represents --(CH.sub.2 CH.sub.2 O).sub.a --(C.sub.3 H.sub.6 O).sub.b --;a represents 0 or from 1 to 50 on the average;b represents from 1 to 5 on the average;A represents an alkyl or alkenyl group having from 8 to 25 carbon atoms, or an aryl group;B represents a divalent linking group;n represents 0 or 1; andM represents a cation. Because of the incorporation of the coating aid, the coating compositions can be uniformly coated on the support with neither comet nor repelling.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: April 10, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Yoneyama, Jun Arakawa
  • Patent number: 4894318
    Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains an uncolored magenta coupler and at least one compound capable of reacting with and fixing formaldehyde vapor, and at least 30 mol % based on the total amount of the uncolored magenta coupler present in the silver halide color photographic material is an uncolored 5-pyrazolone 2-equivalent magenta coupler.The silver halide color photographic material has good latent image stability and a reduced layer thickness and thus improved sharpness. It is further possible thereby to avoid a decrease in color density and the formation of fog normally present when the silver halide color photographic material is brought into contact with formaldehyde vapor during storage prior to color development processing.
    Type: Grant
    Filed: May 13, 1986
    Date of Patent: January 16, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Jun Arakawa, Keiji Mihayashi