Patents by Inventor Makoto Kaga

Makoto Kaga 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: 6902267
    Abstract: A method of forming an ink-jet image, comprising the steps of: ejecting droplets of an ink onto an ink-jet recording media which includes a support having thereon an outermost layer containing a thermoplastic resin; and then applying pressure onto the outermost layer with a pressing apparatus so that a thickness of the outermost layer after applying pressure is 50 to 80% of the outermost layer before being applied pressure.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: June 7, 2005
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hidenobu Ohya, Shuji Kida, Shinichi Suzuki, Keiichiro Suzuki, Makoto Kaga, Teruyuki Fukuda
  • Patent number: 6902266
    Abstract: A fixing belt or a fixing roller for fixing an ink jet image recorded on an ink jet recording material by heat, the fixing belt comprising a base material having thereon a surface layer contacting the ink jet recording material during fixing, the fixing roller comprising a heating roller and a pressure roller having base materials A and B, respectively, at least one of the heating roller and the pressure roller having a surface layer contacting the ink jet recording material during fixing, wherein the surface layer has a peel strength of not less than 30 g/5 cm or a pencil hardness of HB or more, and the surface layer is produced by a method comprising the steps of: coating a hardenable silicone on the base material by a dip coating; and hardening the coated hardenable silicone by heat.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: June 7, 2005
    Assignee: Konica Corporation
    Inventors: Makoto Kaga, Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Teruyuki Fukuda, Fujio Miyamoto
  • Patent number: 6890070
    Abstract: An ink-jet recording method comprising the steps of: forming a pigment image on a recording medium by jetting pigment ink; and adjustment thew C value of the pigment image to 60 or more.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: May 10, 2005
    Assignee: Konica Corporation
    Inventors: Hidenobu Ohya, Shuji Kida, Shinichi Suzuki, Makoto Kaga, Teruyuki Fukuda
  • Publication number: 20050062819
    Abstract: An ink-jet recording method of recording an ink-jet recording ink containing at least a water-soluble dye and a resinous micro-particle dispersion on an ink-jet recording medium, comprising steps of providing a colorless ink on at least a part of the ink-jet recording medium by a liquid providing section separately installed from a recording section for the ink-jet recording ink, wherein the colorless ink contains at least a resin and is substantially colorless.
    Type: Application
    Filed: September 14, 2004
    Publication date: March 24, 2005
    Applicant: Konica Minolta Holdings, Inc.
    Inventors: Hidenobu Ohya, Makoto Kaga, Kei Kudo, Shinsaku Kashiwamura, Teruyuki Fukuda, Yuki Ogasawara
  • Publication number: 20050058784
    Abstract: An ink-jet recording medium comprising: a non water-absorbing substrate; one or more ink receiving layers provided on the substrate, and a surface layer provided on the ink receiving layer; wherein the ink receiving layer is a porous layer containing a cross-linked polymer as a binder formed by irradiation of ionizing radiation to a hydrophilic polymer having a polymerization degree of at least 300 and a plurality of side chains on a main chain so as to cross-link the hydrophilic polymer through side chains; and the surface layer is a porous layer containing the cross-linked polymer as a binder and a cationic colloidal silica.
    Type: Application
    Filed: September 7, 2004
    Publication date: March 17, 2005
    Applicant: Konica Minolta Holdings, Inc.
    Inventor: Makoto Kaga
  • Patent number: 6820975
    Abstract: An inkjet recording apparatus is provided with a recording head to conduct recording by jetting an ink onto a recording medium having an ink receiving layer containing thermoplastic in particles on a surface thereof and a pigment ink solvent absorbing layer adjoining to an inner side of the ink receiving layer; a heating and pressing device to heat and press the recording medium so as to make the ink receiving layer of the recording medium to be transparent; a conveyor to convey the recording medium to the recording head and further to the heating and pressing device; and a temperature controller to control a heating temperature by the heating and pressing device within a range of T0±&Dgr;T° C., where T0 is 50 to 150° C. and &Dgr;T is not larger than 10° C.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: November 23, 2004
    Assignee: Konica Corporation
    Inventors: Toyoaki Sugaya, Fujio Miyamoto, Makoto Kaga, Shuji Kida, Takashi Tsutsumi
  • Patent number: 6808258
    Abstract: An ink-jet image recording method is disclosed. In the method and image is formed by jetting ink on an ink-jet recording medium having an ink absorption layer and optionally a layer provided the ink absorption layer on resin coated paper, in which the outermost layer comprises an aqueous emulsion of thermoplastic resin particles synthesized in the presence of polyvinyl alcohol as a protective colloid for emulsion polymerization, and the recording medium is treated by heat.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: October 26, 2004
    Assignee: Konica Corporation
    Inventors: Makoto Kaga, Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Teruyuki Fukuda
  • Publication number: 20040196351
    Abstract: An image forming method in which after recording by ejecting ink on an ink-jet recording medium containing a thermoplastic resin in the surface layer, a fixing process to fuse said thermoplastic resin or make it into a film is provided, wherein a colorless or white liquid is supplied on said ink-jet recording medium before the fixing process.
    Type: Application
    Filed: February 5, 2004
    Publication date: October 7, 2004
    Inventors: Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Makoto Kaga, Teruyuki Fukuda
  • Publication number: 20040109052
    Abstract: A method for printing an ink-jet image, comprising the step of: ejecting droplets of an ink on an ink-jet recording media,
    Type: Application
    Filed: November 24, 2003
    Publication date: June 10, 2004
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Shinichi Suzuki, Shuji Kida, Hidenobu Ohya, Makoto Kaga, Teruyuki Fukuda
  • Publication number: 20040090513
    Abstract: A method of forming an ink-jet image, comprising the steps of: ejecting droplets of an ink onto an ink-jet recording media which includes a support having thereon an outermost layer containing a thermoplastic resin; and then applying pressure onto the outermost layer with a pressing apparatus so that a thickness of the outermost layer after applying pressure is 50 to 80% of the outermost layer before being applied pressure.
    Type: Application
    Filed: November 3, 2003
    Publication date: May 13, 2004
    Inventors: Hidenobu Ohya, Shuji Kida, Shinichi Suzuki, Keiichiro Suzuki, Makoto Kaga, Teruyuki Fukuda
  • Publication number: 20030194539
    Abstract: The invention relates to an ink jet recording material comprising a support having thereon an ink absorbing layer, the ink jet recording material having an outer layer containing a thermoplastic resin, wherein the ink jet recording material has an ink transfer amount of not less than 10 ml/m2 for a contacting time of 40 milliseconds according to Bristow method, and an ink jet image recording method utilizing said ink jet recording material.
    Type: Application
    Filed: July 29, 2002
    Publication date: October 16, 2003
    Inventors: Hidenobu Ohya, Shuji Kida, Shinichi Suzuki, Makoto Kaga, Teruyuki Fukuda
  • Publication number: 20030189628
    Abstract: An ink-jet image recording method is disclosed. In the method and image is formed by jetting ink on an ink-jet recording medium having an ink absorption layer and optionally a layer provided the ink absorption layer on resin coated paper, in which the outermost layer comprises an aqueous emulsion of thermoplastic resin particles synthesized in the presence of polyvinyl alcohol as a protective colloid for emulsion polymerization, and the recording medium is treated by heat.
    Type: Application
    Filed: January 23, 2003
    Publication date: October 9, 2003
    Inventors: Makoto Kaga, Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Teruyuki Fukuda
  • Publication number: 20030169323
    Abstract: A fixing belt for fixing an ink-jet image recorded on an ink-jet recording material, the fixing belt comprising a base material having thereon a base-surface modifying layer and a releasing layer in the order, wherein the base-surface modifying layer has a pencil hardness of HB or a higher hardness and the releasing layer comprises a silicone resin.
    Type: Application
    Filed: February 7, 2003
    Publication date: September 11, 2003
    Inventors: Teruyuki Fukuda, Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Makoto Kaga
  • Publication number: 20030160850
    Abstract: An ink-jet recording method comprising the steps of: forming a pigment image on a recording medium by jetting pigment ink; and adjusting the C value of the pigment image to 60 or more.
    Type: Application
    Filed: June 28, 2002
    Publication date: August 28, 2003
    Inventors: Hidenobu Ohya, Shuji Kida, Shinichi Suzuki, Makoto Kaga, Teruyuki Fukuda
  • Patent number: 6572228
    Abstract: An image forming method using an ink jet is disclosed. A pigment ink containing a dispersed pigment is jetted onto an ink jet recording medium. The recording medium support having as the outermost layer an ink receptive layer comprising thermoplastic resinous particles and a pigment ink solvent absorptive layer adjacent to said ink receptive layer. The fine thermoplastic particle ink receptive layer is the outermost layer onto which the ink is jetted. Thereafter, the outermost layer containing the jetted ink is transparentized by simultaneous application of heat and pressure to obtain an image.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: June 3, 2003
    Assignee: Konica Corporation
    Inventors: Makoto Kaga, Atsushi Tomotake, Shuji Kida, Shinichi Suzuki, Masaki Nakamura, Hidenobu Ohya
  • Publication number: 20030095171
    Abstract: A fixing belt or a fixing roller for fixing an ink jet image recorded on an ink jet recording material by heat, the fixing belt comprising a base material having thereon a surface layer contacting the ink jet recording material during fixing, the fixing roller comprising a heating roller and a pressure roller having base materials A and B, respectively, at least one of the heating roller and the pressure roller having a surface layer contacting the ink jet recording material during fixing, wherein the surface layer has a peel strength of not less than 30 g/5 cm or a pencil hardness of HB or more, and the surface layer is produced by a method comprising the steps of: coating a hardenable silicone on the base material by a dip coating; and hardening the coated hardenable silicone by heat.
    Type: Application
    Filed: July 26, 2002
    Publication date: May 22, 2003
    Inventors: Makoto Kaga, Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Teruyuki Fukuda, Fujio Miyamoto
  • Publication number: 20030008113
    Abstract: An ink jet recording medium and its manufacturing method are disclosed, the medium comprising a substrate and provided thereon, plural ink absorption layers including an upper layer containing inorganic pigment and thermoplastic particles, wherein the content by weight of the inorganic pigment is greater than that of the thermoplastic particles.
    Type: Application
    Filed: January 25, 2002
    Publication date: January 9, 2003
    Applicant: KONICA CORPORATION
    Inventors: Hidenobu Ohya, Shuji Kida, Atsushi Tomotake, Shinichi Suzuki, Makoto Kaga
  • Publication number: 20020027587
    Abstract: An inkjet recording apparatus is provided with a recording head to conduct recording by jetting an ink onto a recording medium having an ink receiving layer containing thermoplastic in particles on a surface thereof and a pigment ink solvent absorbing layer adjoining to an inner side of the ink receiving layer; a heating and pressing device to heat and press the recording medium so as to make the ink receiving layer of the recording medium to be transparent; a conveyor to convey the recording medium to the recording head and further to the heating and pressing device; and a temperature controller to control a heating temperature by the heating and pressing device within a range of T0±&Dgr;T° C., where T0 is 50 to 150° C. and AT is not larger than 10° C.
    Type: Application
    Filed: August 28, 2001
    Publication date: March 7, 2002
    Inventors: Toyoaki Sugaya, Fujio Miyamoto, Makoto Kaga, Shuji Kida, Takashi Tsutsumi
  • Publication number: 20020008747
    Abstract: An image forming method is disclosed. After a pigment ink comprising a dispersing agent, is adhered employing an ink jet method onto an ink jet recording medium comprising a support having as the outermost layer an ink receptive layer comprising thermoplastic resinous particles and a pigment ink solvent absorptive layer adjacent to said ink receptive layer, said fine thermoplastic particle ink receptive layer as the outermost layer is transparentized by simultaneous application of heat and pressure to obtain an image.
    Type: Application
    Filed: May 31, 2001
    Publication date: January 24, 2002
    Applicant: KONICA CORPORATION
    Inventors: Makoto Kaga, Atsushi Tomotake, Shuji Kida, Shinichi Suzuki, Masaki Nakamura, Hidenobu Ohya
  • Patent number: 6338940
    Abstract: A silver halide photographic light sensitive material IS DISCLOSED, comprising a support having thereon a yellow dye image forming layer, a magenta dye image forming layer and a cyan dye image forming layer, wherein when the photographic material is subjected to exposure of not more than 10−3 sec. per pixel element and further to color developing to form yellow, magenta and cyan images, a variation at multiple exposure, based on non-multiple exposure, of an average gradation, which is a slope that connects two pints corresponding to densities of 0.5 and 1.5 on a characteristic curve of each of the yellow, magenta and cyan images, is not more than 10%.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: January 15, 2002
    Assignee: Konica Corporation
    Inventors: Kazuhiro Miyazawa, Junji Ito, Yumiko Nimura, Shinichi Suzuki, Makoto Kaga, Shuji Murakami