Patents by Inventor Tetsuzo Kadomatsu

Tetsuzo Kadomatsu 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: 20060238592
    Abstract: The image forming method comprises: a treatment liquid deposition step of depositing, on a recording medium, a treatment liquid which reacts with a water-based emulsion-type ink comprising a water-based ink solvent, a pigment-based coloring material and at least one constituent material of a radiation-curable monomer, a radiation-curable oligomer, and a mixture material of the radiation-curable monomer and the radiation-curable oligomer; an ink ejection step of ejecting the water-based emulsion-type ink by means of an inkjet head toward the recording medium on which the treatment liquid has been deposited in the treatment liquid deposition step; a radiation irradiation step, in a state where the water-based emulsion-type ink has reacted with the treatment liquid on the recording medium after the ink ejection step and an aggregate of the pigment-based coloring material and the at least one constituent material is separated in phase from a liquid component including the water-based ink solvent, of irradiating r
    Type: Application
    Filed: April 25, 2006
    Publication date: October 26, 2006
    Inventors: Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20060170752
    Abstract: The image forming apparatus includes: a treatment liquid application device which applies treatment liquid onto a recording medium, the treatment liquid containing cationic polymer and a coloring material aggregating agent; an ink liquid ejection device which ejects droplets of ink liquid toward the recording medium, the ink liquid having anionic properties and containing a solvent and a coloring material which aggregates due to reaction with the coloring material aggregating agent; and a solvent absorbing device which absorbs the solvent on the recording medium in a state where an aggregate of the coloring material and the solvent are separated after a first reaction in which a film is formed at a liquid interface between the treatment liquid and the ink liquid on the recording medium by mixing the treatment liquid and the ink liquid and a second reaction in which the aggregate of the coloring material in the ink liquid is formed after formation of the film.
    Type: Application
    Filed: January 30, 2006
    Publication date: August 3, 2006
    Inventors: Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20060164487
    Abstract: The image forming apparatus comprises: an ink ejection device which ejects a droplet of radiation-curable ink onto a recording medium; a solvent separating device which separates a coloring material component and a solvent component in the droplet of the radiation-curable ink on the recording medium; a solvent removing device which removes the solvent component separated by the solvent separating device; and a curing device which irradiates radiation onto the droplet of the radiation-curable ink after the solvent component is removed by the solvent removing device, in such a manner that the droplet of the radiation-curable ink is cured.
    Type: Application
    Filed: January 23, 2006
    Publication date: July 27, 2006
    Inventors: Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20060066703
    Abstract: The image recording apparatus comprises: a recording head which ejects a recording liquid having properties of being cured by irradiation of radiation, onto a recording medium; a relative conveyance device which causes the recording head and the recording medium to move relatively to each other in a relative conveyance direction; a radiation irradiating device which irradiates the radiation onto recording liquid deposited on the recording medium; and a pressurization device which pressurizes the recording liquid which has been irradiated with the radiation, the pressurization device being provided on a downstream side of the recording head in the relative conveyance direction of the relative conveyance device, the pressurization device having the radiation irradiating device provided inside thereof and having one of a transmissive member capable of transmitting the radiation emitted from the radiation irradiating device to exterior and a structure capable of transmitting the radiation to the exterior, wherein
    Type: Application
    Filed: September 29, 2005
    Publication date: March 30, 2006
    Inventors: Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20060066662
    Abstract: The image forming apparatus comprises: an ink ejection device which ejects ink comprising a coloring material dispersed or dissolved in a solvent onto a recording medium; a treatment liquid application device which applies a treatment liquid which produces a charged aggregate of the coloring material by reaction with the ink onto the recording medium, in such a manner that two liquids of the ink and the treatment liquid combine on the recording medium; a conveyance device which causes the ink ejection device and the recording medium to move relatively to each other by conveying at least one of the ink ejection device and the recording medium in a direction substantially perpendicular to a breadthways direction of the recording medium; and a solvent absorbing device which is charged to a same polarity as the aggregate of the coloring material and absorbs the solvent in the ink on the recording medium, wherein: the coloring material and the solvent are separated by reaction of the two liquids which have combine
    Type: Application
    Filed: September 29, 2005
    Publication date: March 30, 2006
    Inventors: Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20060061625
    Abstract: The image forming apparatus comprises: an ejection head which ejects ink having electrorheological properties onto a recording medium; an electric field application device which applies an electric field to a droplet of the ink deposited on the recording medium; a fixing promotion device which performs fixing promotion process for promoting fixing of the ink on the recording medium; and a timing control device which controls a time difference between an electric field application cessation timing at which an application of the electric field to the ink on the recording medium by the electric field application device is ceased and a fixing promotion process timing at which the fixing promotion process is performed by the fixing promotion device.
    Type: Application
    Filed: September 21, 2005
    Publication date: March 23, 2006
    Inventors: Masaaki Konno, Tetsuzo Kadomatsu
  • Publication number: 20060055734
    Abstract: The liquid ejection apparatus comprises: an ejection head which ejects a droplet of electrorheological liquid toward an ejection receiving medium; an electric charge application device which applies electric charge onto a surface of the droplet deposited on a first surface of the ejection receiving medium substantially simultaneously as the droplet lands on the ejection receiving medium; and an electrode which has a surface facing the electric charge application device across the ejection receiving medium and contacting with a second surface of the ejection receiving medium opposite to the first surface thereof.
    Type: Application
    Filed: September 8, 2005
    Publication date: March 16, 2006
    Inventors: Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20060023015
    Abstract: The image forming apparatus comprises: an ejection head which ejects droplets having electro rheological effects onto a recording medium; a holding device which holds the recording medium, the holding device being disposed at a position facing an ejection side surface of the ejection head, the recording medium interposing between the ejection head and the holding device; a pair of electrodes which is disposed on the holding device, the pair of electrodes comprising a first electrode and a second electrode; and a voltage application device which applies a voltage to the pair of electrodes.
    Type: Application
    Filed: July 28, 2005
    Publication date: February 2, 2006
    Inventors: Jun Yamanobe, Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20050212871
    Abstract: The image forming apparatus comprises: an ejection head which ejects ink having electrorheological properties toward a recording medium; an electric field application device which applies an electric field to droplets of the ink deposited on a surface of the recording medium; an electric field intensity control device which controls intensity of the electric field in such a manner that the ink in the droplets has a prescribed viscosity; and a fixing promotion device which carries out processing for promoting fixing of the ink on the recording medium, in a state where the electric field is applied by the electric field application device.
    Type: Application
    Filed: March 24, 2005
    Publication date: September 29, 2005
    Inventors: Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20050200676
    Abstract: The inkjet recording apparatus comprises: an ink discharge port which discharges radiation-curable ink; a radiation irradiating unit which causes the radiation-curable ink discharged from the ink discharge port to set; and a sealing liquid which seals the ink discharge port, wherein the sealing liquid absorbs or reflects radiation whose wavelength falls within a specific wavelength range.
    Type: Application
    Filed: March 3, 2005
    Publication date: September 15, 2005
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Tetsuzo Kadomatsu, Masaaki Konno
  • Publication number: 20050195234
    Abstract: The inkjet recording apparatus comprises: a recording head including a plurality of nozzles which eject a plurality of ink droplets two-dimensionally in a sub-scanning direction that is a direction of relative conveyance of a recording medium and the recording head, and in a main scanning direction that is orthogonal to the sub-scanning direction, wherein the nozzles are arranged in such a manner that, taking Pmin to be a minimum pitch of the nozzles in the sub-scanning direction, and taking Pts to be a pitch in the sub-scanning direction between the nozzles that eject ink droplets deposited adjacently in an overlapping fashion in the main scanning direction on the recording medium, a relationship Pts>Pmin is satisfied.
    Type: Application
    Filed: March 2, 2005
    Publication date: September 8, 2005
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiko Kachi, Tetsuzo Kadomatsu
  • Publication number: 20050195250
    Abstract: The liquid ejection apparatus comprises: an ejection head having ejection holes which eject liquid droplets to land on an ejection receiving medium; a conveyance device which causes the ejection head and the ejection receiving medium to move relative to each other in one direction, by conveying at least one of the ejection head and the ejection receiving medium in a relative conveyance direction substantially perpendicular to a breadthways direction of the ejection receiving medium; a direction of flight deflecting device which deflects direction of flight of the liquid droplets ejected from the ejection head in a direction which includes at least a component that is substantially parallel to the relative conveyance direction; and a deflection control device which controls the direction of flight deflecting device, wherein when droplets are ejected during relative conveyance of the ejection receiving medium and a row of dots is formed in which dots that are mutually adjacent in the relative conveyance directi
    Type: Application
    Filed: March 7, 2005
    Publication date: September 8, 2005
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Naoki Kusunoki, Tetsuzo Kadomatsu
  • Publication number: 20050190248
    Abstract: The image forming apparatus comprises: an ink discharge device comprising a plurality of full line type inkjet heads arranged separately for a plurality of inks of different colors, each of the inkjet heads having a nozzle row in which a plurality of nozzles for discharging droplets of the ink toward a surface of a recording medium are arranged through a length corresponding to a full width of the recording medium; an ink supply device which supplies ultraviolet curable inks of corresponding colors to the inkjet heads; a conveyance device which causes the inkjet heads and the recording medium to move relatively to each other by conveying at least one of the recording medium and the inkjet heads in a direction substantially perpendicular to a breadthways direction of the recording medium; a first curing device which irradiates ultraviolet light for causing the droplets of the ink, deposited on the surface of the recording medium by one of the inkjet heads on an upstream side in a direction of relative conveyan
    Type: Application
    Filed: February 28, 2005
    Publication date: September 1, 2005
    Inventors: Masaaki Konno, Tetsuzo Kadomatsu