Patents by Inventor Hiroshi Arakatsu

Hiroshi Arakatsu 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: 8540837
    Abstract: A method for manufacturing a functional film includes steps of: feeding a support continuously from a first film roll, forming a coating film on the support, providing a laminate film on a surface of the coating film, and taking up the support to a second film roll; and loading the second film roll made by the aforementioned step in a vacuum film-forming apparatus, feeding the support provided with the laminate film continuously from the film roll, peeling off the laminate film, forming an inorganic film on the coating film on the support, and taking up the support to a third film roll.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: September 24, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Eijirou Iwase, Jun Fujinawa, Toyoaki Hieda, Toshiyuki Katagiri, Hiroshi Arakatsu
  • Patent number: 8529766
    Abstract: To provide a water purifier, containing: a diluting unit configured to bring targeted water for purification into contact with an aqueous solution containing a volatile solute and a polymer via a semi-permeable membrane so as to separate water from the targeted water by the semi-permeable membrane, and configured to dilute the aqueous solution with the separated water; a separating unit configured to separate the volatile solute and the polymer from the diluted aqueous solution obtained by the diluting unit so as to obtain purified water; and a dissolving unit configured to return the separated volatile solute by the separating unit to the aqueous solution containing the polymer, and to allow the separated volatile solute to dissolve in the aqueous solution containing the polymer.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: September 10, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Koichi Minami, Morihito Ikeda, Hiroshi Arakatsu
  • Publication number: 20110100913
    Abstract: To provide a water purifier, containing: a diluting unit configured to bring targeted water for purification into contact with an aqueous solution containing a volatile solute and a polymer via a semi-permeable membrane so as to separate water from the targeted water by the semi-permeable membrane, and configured to dilute the aqueous solution with the separated water; a separating unit configured to separate the volatile solute and the polymer from the diluted aqueous solution obtained by the diluting unit so as to obtain purified water; and a dissolving unit configured to return the separated volatile solute by the separating unit to the aqueous solution containing the polymer, and to allow the separated volatile solute to dissolve in the aqueous solution containing the polymer.
    Type: Application
    Filed: October 29, 2010
    Publication date: May 5, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Koichi MINAMI, Morihito IKEDA, Hiroshi ARAKATSU
  • Publication number: 20100215986
    Abstract: A method for manufacturing a functional film includes steps of: feeding a support continuously from a first film roll, forming a coating film on the support, providing a laminate film on a surface of the coating film, and taking up the support to a second film roll; and loading the second film roll made by the aforementioned step in a vacuum film-forming apparatus, feeding the support provided with the laminate film continuously from the film roll, peeling off the laminate film, forming an inorganic film on the coating film on the support, and taking up the support to a third film roll.
    Type: Application
    Filed: February 25, 2010
    Publication date: August 26, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Eijirou IWASE, Jun FUJINAWA, Toyoaki HIEDA, Toshiyuki KATAGIRI, Hiroshi ARAKATSU
  • Publication number: 20090155544
    Abstract: A web-like electrode material comprising a web-like substrate, an electrode layer and a functional layer provided in that order, wherein a plurality of electrode layers are disposed in series with blanks kept remaining in both side edges in the cross direction of the substrate and in the longitudinal direction thereof each with a predetermined regularity, and the functional layer is disposed by continuous coating in the longitudinal direction of the substrate, and a part of each electrode layer is laid bare.
    Type: Application
    Filed: December 11, 2008
    Publication date: June 18, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Taku NAKAMURA, Hiroshi Arakatsu, Tomomi Tateishi
  • Publication number: 20080167413
    Abstract: In a gas barrier laminate film comprising a base material film containing an inorganic compound and at least one set of inorganic layer and organic layer formed on the base material film, the base material film is formed with a resin having a glass transition temperature of 25° C. or higher. A gas barrier laminate film that has superior durability, heat resistance and gas barrier performance, shows a small difference in coefficient of linear expansion relative to a contiguous layer and can maintain superior gas barrier property even if it is bent is provided.
    Type: Application
    Filed: December 20, 2007
    Publication date: July 10, 2008
    Inventors: Taisei Nishimi, Hiroshi Iwanaga, Hiroshi Arakatsu, Seiya Sakurai
  • Publication number: 20080076048
    Abstract: A method for producing a photoconductive switching element for switching a functional element to be driven by an AC field or a DC field, in which the photoconductive switching element comprises an electrode layer, a lower charge generation layer, a charge transport layer and an upper charge generation layer laminated in that order on a substrate, which comprises forming at least one layer to be laminated above the electrode layer by the use of a solvent system that comprises a solvent capable of swelling or dissolving the layer just below the layer to be laminated.
    Type: Application
    Filed: September 20, 2007
    Publication date: March 27, 2008
    Inventors: Hiroshi Arakatsu, Takehito Hikichi
  • Publication number: 20050238846
    Abstract: In a gas barrier laminate film comprising a gas barrier layer laminated on at least one surface of a support, the surface of the support on the side opposite to the surface laminated with the gas barrier layer is made to have an Ra value of 1 to 20 nm. A gas barrier laminate film that can prevent cracks generated by displacement of rolled film, slacks and wrinkles during rolling up and transportation in the production process of the film and thus can be produced with a high yield, a method for producing the same and an image display device utilizing the film are provided.
    Type: Application
    Filed: March 10, 2005
    Publication date: October 27, 2005
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Hiroshi Arakatsu, Seiya Sakurai
  • Publication number: 20050214556
    Abstract: In a gas barrier laminate film comprising a base material film containing an inorganic compound and at least one set of inorganic layer and organic layer formed on the base material film, the base material film is formed with a resin having a glass transition temperature of 250° C. or higher. A gas barrier laminate film that has superior durability, heat resistance and gas barrier performance, shows a small difference in coefficient of linear expansion relative to an contiguous layer and can maintain superior gas barrier property even if it is bent is provided.
    Type: Application
    Filed: February 22, 2005
    Publication date: September 29, 2005
    Applicant: Fuji Photo Film Co., Ltd
    Inventors: Taisei Nishimi, Hiroshi Iwanaga, Hiroshi Arakatsu, Seiya Sakurai
  • Publication number: 20040185522
    Abstract: An object of the present invention is to provide a method which comprises adhering a biological sample to a film, cutting out a target area of the sample, and then peeling off the film to collect the fragment which was cut out, wherein the operability is good and a cutting sharpness in cutting by a laser beam is good. The present invention provides a method for cutting a biological sample by light irradiation, which comprises locating the biological sample and a colored film having a thickness of 3 to 6 &mgr;m onto one side of a support, and irradiating the biological sample with a light beam, thereby cutting out a target area of the biological sample.
    Type: Application
    Filed: April 2, 2004
    Publication date: September 23, 2004
    Inventors: Masashi Ogawa, Masatoshi Takahashi, Kazuko Hanai, Hiroshi Arakatsu
  • Patent number: 6733987
    Abstract: An object of the present invention is to provide a method which comprises adhering a biological sample to a film, cutting out a target area of the sample, and then peeling off the film to collect the fragment which was cut out, wherein the operability is good and a cutting sharpness in cutting by a laser beam is good. The present invention provides a method for cutting a biological sample by light irradiation, which comprises locating the biological sample and a colored film having a thickness of 3 to 6 &mgr;m onto one side of a support, and irradiating the biological sample with a light beam, thereby cutting out a target area of the biological sample.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: May 11, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masashi Ogawa, Masatoshi Takahashi, Kazuko Hanai, Hiroshi Arakatsu
  • Publication number: 20020142412
    Abstract: An object of the present invention is to provide a method which comprises adhering a biological sample to a film, cutting out a target area of the sample, and then peeling off the film to collect the fragment which was cut out, wherein the operability is good and a cutting sharpness in cutting by a laser beam is good. The present invention provides a method for cutting a biological sample by light irradiation, which comprises locating the biological sample and a colored film having a thickness of 3 to 6 &mgr;m onto one side of a support, and irradiating the biological sample with a light beam, thereby cutting out a target area of the biological sample.
    Type: Application
    Filed: October 26, 2001
    Publication date: October 3, 2002
    Inventors: Masashi Ogawa, Masatoshi Takahashi, Kazuko Hanai, Hiroshi Arakatsu
  • Patent number: 6268105
    Abstract: There is disclosed a dye-fixing element utilizable to form an image by releasing or producing an image-forming dye or a precursor thereof in proportion or contraproportion to developed silver formed by development after imagewise exposing of a photosensitive silver halide and thereafter by diffusion or diffusive-transfer of the dye, which element comprises a polymeric dye mordant containing a recurring unit of the formula (A) and/or (B): wherein R12 and R22 each are H or an alkyl group, Y1 and Y2 each are ←CONR4—, ←COO— or ←CH(OH)CH2O—, X is Cl, Br, I or OH, Z is an atomic group necessary to form a 5- to 7-membered heteroring together with the N, R13 and R23 each are H, CH3, C2H5, or a halogen atom, and R4 is H or an alkyl group having 1-4 carbon atoms, and the symbol ← is a bond on the side of the main chain of the polymer. There is also disclosed a method for forming a color image excellent in fastness to light without causing any color-mixing.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: July 31, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroshi Arakatsu, Nobuo Seto, Toshiki Taguchi
  • Patent number: 6010819
    Abstract: A method for improving light fastness of an image, which comprises releasing or forming an image forming dye or a precursor thereof corresponding or counter-corresponding to silver development and allowing an image formed by transferring said image forming dye or precursor thereof to coexist with a compound represented by general formula (I) in an image forming material ##STR1## The symbols in formula (I) are defined in the description. Also disclosed is an image forming material for use in the method.
    Type: Grant
    Filed: August 24, 1998
    Date of Patent: January 4, 2000
    Assignee: Fuji Photo Film., Ltd.
    Inventors: Hiroshi Arakatsu, Nobuo Seto, Yoshisada Nakamura, Hironori Hiyoshi, Hiroyuki Watanabe, Takayoshi Kamio
  • Patent number: 5498505
    Abstract: A dye fixing element comprising a polymer mordant, said polymer mordant containing at least one monomeric unit including at least one group derived from the class of tertiary amines, thioethers, aromatic 5-membered heterocyclic rings, hydrazides, hydrazones and polyarylphenols, and at least one quaternary ammonium group.
    Type: Grant
    Filed: December 21, 1994
    Date of Patent: March 12, 1996
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Jiro Tsukahara, Hiroshi Arakatsu
  • Patent number: 5437956
    Abstract: A dye fixing element for use in an image formation system which is adapted to superimpose a light-sensitive element and a dye fixing element provided on separate supports upon each other so that diffusible dyes are transferred to said dye fixing element to form an image, which is characterized in that a matting agent is incorporated in either a layer nearer to said support than a dye fixing layer in said dye fixing element or a layer provided between said dye fixing layer and a surface protective layer.The dye fixing element can be used to provide a good matte image that satisfies the requirements for matte surface, i.e., low gloss, texture that prevents the image from being seen white, difficulty for white spot in occurring on the transferred image, and surface condition that gives no glare.
    Type: Grant
    Filed: May 11, 1994
    Date of Patent: August 1, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yoshisada Nakamura, Hiroshi Arakatsu
  • Patent number: 5427901
    Abstract: A heat-developable color light-sensitive material comprising a support having thereon at least three silver halide emulsion layers each sensitive to a different spectral wavelength region, one silver halide emulsion layer or a light-insensitive layer adjacent thereto containing a yellow dye-providing compound, a second silver halide emulsion layer or a light-insensitive layer adjacent thereto containing a magenta dye-providing compound and a third silver halide emulsion layer or a light-insensitive layer adjacent thereto containing a cyan dye-providing compound; at least one of said silver halide emulsion layers having a maximum spectral sensitivity at a wavelength of at least 700 nm and a spectral sensitivity at a wavelength 20 nm longer than said maximum spectral sensitivity wavelength of at most 1/10 of said maximum spectral sensitivity.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: June 27, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroshi Arakatsu, Yoshio Inagaki, Hiroyuki Ozaki, Takanori Hioki
  • Patent number: 5270155
    Abstract: A dye diffusion transfer type heat developable color light-sensitive material is described including a support having thereon at least three light-sensitive layers containing, in combination, silver halide emulsions which are sensitive in different spectral regions from one another and dye providing compounds capable of releasing or forming diffusible dyes having different hues from one another, wherein the material has an exposure side which is subjected to incident light from a light source, wherein at least two layers of the at least three light-sensitive layers include a first light-sensitive layer containing an emulsion spectrally sensitized to a part of infrared rays and a second light-sensitive layer which is positioned on the exposure side nearer to the light source than is the first light-sensitive layer and contains an emulsion spectrally sensitized to a part of infrared rays having a wavelength shorter than that of the infrared rays applied to the emulsion of the first light-sensitive layer, and th
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: December 14, 1993
    Assignee: Fuji Photo Film Co. Ltd.
    Inventors: Hiroyuki Ozaki, Hiroshi Arakatsu, Toru Harada