Patents by Inventor Eiichi Akutsu

Eiichi Akutsu 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: 20030003304
    Abstract: A method of forming a photo-catalytic film made of titanium oxide on a base material based on a simple process at low temperatures, particularly a method of forming a laminated material comprising photo-catalytic film of titanium oxide formed on a base material is provided. A method of forming a photo-catalytic film made of titanium oxide on a base material includes a treating process, in which photo-catalytic film of titanium oxide is formed on a base material and irradiated with UV light in vacuum or in an atmosphere of reducing gas at a temperature maintained between 25° C. and below 300° C.
    Type: Application
    Filed: December 13, 2001
    Publication date: January 2, 2003
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Shigemi Ohtsu, Eiichi Akutsu
  • Patent number: 6500589
    Abstract: A method for manufacturing a TFT-integrated color filter is provided, which can controllably fabricate a color filter having a high aperture efficiency and a high resolution at low costs without the need for aligning the color filter with a TFT substrate as required by the prior art.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: December 31, 2002
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shigemi Ohtsu, Takao Tomono, Keishi Shimizu, Eiichi Akutsu
  • Publication number: 20020132454
    Abstract: A method of forming a crystalline semiconductor thin film on a base material which can be prepared at a low temperature by simple step and device, the method including a processing step of applying UV-rays to an amorphous semiconductor thin film provided on a base material while keeping a temperature at not less than 25° C. and not more than 300° C. in a vacuum or a reducing gas atmosphere, as well as a substrate having the semiconductor thin film provided on the base material, a substrate for forming a color filter and a color filter using the substrate.
    Type: Application
    Filed: October 17, 2001
    Publication date: September 19, 2002
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shigemi Ohtsu, Keishi Shimizu, Kazutoshi Yatsuda, Eiichi Akutsu
  • Publication number: 20020122649
    Abstract: In a method for forming a light waveguide, a light waveguide forming substrate is disposed so that a photosemiconductor thin film or a conductive thin film on the substrate is in contact with an aqueous electrolyte solution containing a film forming material having a property that solubility or dispersibility to a water solution decreases according to the pH change, and a voltage is applied between the photosemiconductor thin film or the conductive thin film and a counter electrode by light irradiation.
    Type: Application
    Filed: March 5, 2002
    Publication date: September 5, 2002
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda, Eiichi Akutsu
  • Patent number: 6436591
    Abstract: Disclosed is a method for manufacturing conductive color filters having a fine, complicated pixel pattern, a high resolution, high surface smoothness, and a high, uniform conductivity. The method comprises the selective formation of a black matrix on a light-transmitted photoconductive thin film of a light-transmitting substrate, which comprises the light-transmitting conductive film stacked upon a photoconductive thin film and allowing at least the photoconductive thin film of the substrate to be in contact with an electrolyte containing a conductive electrodeposition material containing a coloring material. The photoconductive thin film is then irradiated with light, and the electrodeposition material is then selectively deposited in a light-irradiated area of the photoconductive thin film, thereby forming a conductive colored electrodeposition film.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: August 20, 2002
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shigemi Ohtsu, Keishi Shimizu, Takao Tomono, Eiichi Akutsu
  • Publication number: 20020036146
    Abstract: An electrodepositing solution for low-potential electrodeposition is disclosed which is used in an electrodeposition method and a photoelectrodeposition method and which can improve the film formability under the application of a low voltage, suppress the elution of metal ions and stably form by deposition an electrodeposition film having a uniform thickness, a uniform color density and a smooth surface. The electrodepositing solution permits an electrodeposition film of an electrodeposition material to be formed by deposition on a conductive material upon application of a voltage between the conductive material and a counter electrode. The electrodeposition material contains an electropositive polymer material which contains, as at least one component thereof, a copolymer consisting of a hydrophobic monomer, a hydrophilic monomer and a plastic monomer.
    Type: Application
    Filed: September 20, 2001
    Publication date: March 28, 2002
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Eiichi Akutsu, Yasunari Nishikata, Shigemi Ohtsu, Keishi Shimizu, Kazutoshi Yatsuda
  • Patent number: 6344301
    Abstract: A method of forming a colored film includes a step of forming a substrate for electrodeposition by laminating at least a transparent conductive film and a thin transparent photosemiconductor film having a photovoltaic function in this order on the surface of a support having an electronic circuit materialthereon, and a step of irradiating with a light at least a thin photosemiconductor film of the substrate for electrodeposition while bringing the same into contact with an aqueous electrolyte containing an electrodeposition material containing a colorant, thereby selectively generating a photoelectromotive force to an irradiated area of the thin photosemiconductor film and electrochemically depositing the electrodeposition material to form a colored electrodeposition film; an electronic driving device containing the colored film and a liquid crystal display device having the electronic driving device, the method capable of forming the colored film of high quality and excellent surface smoothness being formed
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: February 5, 2002
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Shigemi Ohtsu, Takao Tomono, Keishi Shimizu
  • Publication number: 20020012856
    Abstract: A method of fabricating a color filter with a small number of processes and at low cost is provided, for which a transparent conductive film for liquid crystal driving need not be formed, a voltage drop during liquid crystal driving is restrained, and a black matrix is easily formed; an apparatus for fabricating the color filter; the color filter; and a liquid crystal display apparatus.
    Type: Application
    Filed: June 14, 2001
    Publication date: January 31, 2002
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shigemi Ohtsu, Yoshinori Yamaguchi, Keishi Shimizu, Eiichi Akutsu
  • Patent number: 6340544
    Abstract: To provide a process for recording an image using a photoelectrodeposition method having high general-purpose properties that require no restriction on the selection of a material used as a substrate, a process for recording an image having (A) arranging a substrate 10 comprising a support 11, a conductive film 12 and a photosemiconductor thin film 13 laminated in this order, in such a manner that at least the photosemiconductor thin film 13 comes in contact with an electrodeposition solution 20; (B) applying an electric current or a voltage to the conductive film 12, and simultaneously irradiating the substrate 10 with light from the side of the photosemiconductor thin film 13 through the electrodeposition solution 20, and (C) generating a photoelectromotive force on a light irradiated part, so as to form an electrodeposition film 21 on the light irradiated part.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: January 22, 2002
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Shigemi Ohtsu, Lyong Sun Pu
  • Patent number: 6329639
    Abstract: A heat generating medium for image fixing includes a conductive support layer of good electrical and thermal conductivity, a low surface energy layer formed on one of the surfaces of the conductive support layer, and a heat generating layer formed on the other surface of the conductive support layer. A fixing apparatus is also disclosed, which includes the heat generating medium as described above, and a power supplying device for feeding current to the heat generating layer, wherein a recording sheet bearing a non-fixed toner image thereon is brought into press contact with the heat generating layer which generates heat when it receives current from the power supply device.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: December 11, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Hiroshi Takayama, Shigehito Ando, Kenji Ogi, Yasuhiro Uehara
  • Patent number: 6322939
    Abstract: An image is formed by a process comprising the steps of: preparing a substrate comprising a transparent substrate having formed thereon a transparent electroconductive film and a semiconductor thin film in this order; preparing in a vessel, which can hold an liquid, an aqueous liquid containing a coloring material and an electrodepositable material capable of chemically dissolving or sedimanting/precipitating depending on the change in the pH; connecting a device than can supply an electric current or an electric field in accordance with an image pattern to the transparent electroconductive film of the substrate; fixing the substrate so that the semiconductor thin film is immersed in the aqueous liquid; disposing a counter electrode as another member of an electrode pair in the vessel; disposing a prescribed photomask on the transparent substrate of the substrate; and carrying out light irradiation at the transparent substrate through the photomask so that an electrodeposited film containing the electrodeposi
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: November 27, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shigemi Ohtsu, Eiichi Akutsu, Lyong Sun Pu
  • Patent number: 6309782
    Abstract: A method for manufacturing a color filter having a high resolution and excellent controllability, in few steps without using a photolithographic process is disclosed.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: October 30, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shigemi Ohtsu, Eiichi Akutsu, Lyong Sun Pu, Motohiko Tsuchiya
  • Publication number: 20010024761
    Abstract: An image is formed by a process comprising the steps of: preparing a substrate comprising a transparent substrate having formed thereon a transparent electroconductive film and a semiconductor thin film in this order; preparing in a vessel, which can hold an liquid, an aqueous liquid containing a coloring material and an electrodepositable material capable of chemically dissolving or sedimanting/precipitating depending on the change in the pH; connecting a device than can supply an electric current or an electric field in accordance with an image pattern to the transparent electroconductive film of the substrate; fixing the substrate so that the semiconductor thin film is immersed in the aqueous liquid; disposing a counter electrode as another member of an electrode pair in the vessel; disposing a prescribed photomask on the transparent substrate of the substrate; and carrying out light irradiation at the transparent substrate through the photomask so that an electrodeposited film containing the electrodeposi
    Type: Application
    Filed: December 29, 1999
    Publication date: September 27, 2001
    Inventors: SHIGEMI OHTSU, EIICHI AKUTSU, LYONG SUN PU
  • Patent number: 6280591
    Abstract: An image forming method wherein an aqueous dispersion is prepared in a vessel of an apparatus. The aqueous dispersion contains an electrodeposition material including a fine particle coloring material, and a polymer which is chemically dissolved, or is deposited and precipitated, by a change in pH. The electrodeposition material is deposited and precipitated by changing the pH value of the aqueous dispersion in the vicinity of the image supporting surface of the image supporting member. The polymer in the electrodeposition material has both hydrophobic groups and hydrophilic groups, the proportion of number of the hydrophobic groups to the total number of hydrophilic groups and the hydrophobic groups in the polymer is in the range of from 40 to 80%, 50% or more of the hydrophilic groups can reversibly change from hydrophilic groups to hydrophobic groups due to a change in pH value.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: August 28, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Shigemi Ohtsu, Lyong Sun Pu
  • Patent number: 6255025
    Abstract: A process for producing a filter comprising: a step of arranging an electrodeposition substrate, which comprises a light transmissible support having a light transmissible conductive film and a photosemiconductor thin film with a photoelectromotive function in this order provided thereon, in such a manner that at least the photosemiconductor thin film is immersed in an electrodeposition solution containing a colored electrodeposition material; a step of imagewise exposing the electrodeposition substrate with applying a voltage or an electric current to the conductive film, to form a colored electrodeposition film in an exposed part; a step of immersing at least the photosemiconductor thin film, in which the colored electrodeposition film has been formed, of the electrodeposition substrate in a metallic plating solution; and a step of applying a voltage or an electric current to the conductive film, to form a black matrix comprising a metallic plating film in a part of the photosemiconductor thin film, in whic
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: July 3, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Shigemi Ohtsu, Keishi Shimizu, Lyong sun Pu
  • Patent number: 6224735
    Abstract: A transparent support having formed thereon a transparent conductive film and an organic or inorganic semiconductor thin film that generates an electromotive force by irradiation of light formed on the transparent conductive film, and an aqueous electrolytic solution containing a solvent, a coloring material and a polymer electrodeposition material, whose solubility in the solvent changes depending on the change of pH are prepared; the substrate and a counter electrode connected to the substrate are arranged in such a manner that an surface of the substrate, on which the semiconductor thin film is formed, and the counter electrode are immersed in the aqueous electrolytic solution; the transparent support is selectively irradiated with light; an electrodeposition film having the coloring material and the polymer electrodeposition material is deposited on a part of the support, on which an electromotive force is generated; and the deposited electrodeposition film is brought into contact with an aqueous liquid h
    Type: Grant
    Filed: May 24, 1999
    Date of Patent: May 1, 2001
    Assignee: Fuji Xerox Co. Ltd.
    Inventors: Eiichi Akutsu, Shigemi Ohtsu, Lyong sun Pu
  • Patent number: 6223017
    Abstract: A localized heating device includes a laminate structure of a heat insulating substrate, a heating region made by sandwiching a heating layer between a pattern electrode layer and a conductive layer and a low surface energy layer. In another aspect of the invention, a localized heating apparatus includes a localized heating device and a power supply system that supplies a current selectively and stably to the heating layer between the pattern electrode layer and the conductive layer from the current supply portion formed at one or both end portions of the heating region.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: April 24, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Hiroh Soga, Shigehito Ando
  • Patent number: 6207331
    Abstract: The image recording process comprises the steps of preparing an aqueous coloring material liquid by dissolving or dispersing fine particles of a coloring material in an aqueous liquid, disposing an image supporting member and a counter electrode opposite thereto in the aqueous coloring material liquid, applying an electric current or an electric field corresponding to an image pattern between the image supporting member and the counter electrode, electrochemically depositing an image forming material containing the fine particles of the coloring material on the surface of the image supporting member thereby forming an image, and transferring the image forming material, in a condition where the image forming material contains 20 to 60% by weight of the aqueous liquid, onto a recording medium so as to record the image on the recording medium.
    Type: Grant
    Filed: July 2, 1998
    Date of Patent: March 27, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Shigemi Ohtsu, Lyong Sun Pu
  • Patent number: 6194108
    Abstract: A method of forming an image comprising the steps of: preparing a device in which an image holding element which can functions as one of electrodes pair and which has a surface for holding an image and an opposite electrode which is the other of the electrodes pair are immersed in a dispersion of a coloring material fine particles in which ionized coloring material fine particles are dispersed in an aqueous liquid, and applying electric current to a desired area of the image holding element and the opposite electrode through the dispersion and depositing-building-up the coloring material fine particles to the desired area electrochemically to form an image, is disclosed.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: February 27, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Shigemi Ohtsu, Satoshi Tatsuura, Lyong Sun Pu
  • Patent number: 6141027
    Abstract: An image recording method and apparatus with at least one dye having a general formula dissolved in an aqueous liquid, an image supporting member and a counter electrode opposing the image supporting member placed in the aqueous liquid, and an electric current or electric field applied between the image supporting member and counter electrode according to an image pattern to electrochemically deposit an image forming material containing the dye onto a surface of the image supporting member to simply and safely form a high quality image.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: October 31, 2000
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eiichi Akutsu, Shigemi Ohtsu, Lyong Sun Pu