Patents by Inventor Jun Urasaki

Jun Urasaki 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: 11117411
    Abstract: A transfer paper used for a transfer printing method using sublimation textile ink, comprising a base paper and one or more coating layer(s) provided on at least one side of the base paper, wherein an outermost coating layer positioned on the outermost side with respect to the base paper contains at least a pigment, a binder, a polyacrylic acid salt and an acetylene glycol derivative, has image deterioration resistance, good color development property and excellent adhesion property.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: September 14, 2021
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Koji Igarashi, Jun Urasaki
  • Patent number: 11104173
    Abstract: The object is to provide a transfer paper having good image deterioration resistance, color development property and adhesion property. The object is achieved by a transfer paper for use in a transfer textile printing method using sublimation textile ink, which comprises a base paper and one or more coating layer(s) provided on at least one side of the base paper, wherein an outermost coating layer positioned on the outermost side with respect to the base paper contains at least a pigment and a binder, at least one of the pigment is amorphous silica, and the binder contains two or more different binders, and at least one of the binders is an ethylene-vinyl acetate copolymer.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: August 31, 2021
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Koji Igarashi, Jun Urasaki
  • Publication number: 20210108373
    Abstract: The present invention provides a coated printing paper having a base paper, and a coating layer arranged on at least one surface of the base paper, wherein, an outermost coating layer positioned on the outermost side with respect to the base paper contains at least kaolin, calcium carbonate, starches, a latex, a dispersant, a lubricant and a cationic resin, in the outermost coating layer, a total amount of the starches and the latex is 5 parts by mass or more and 13 parts by mass or less, and an amount of the dispersant is 0.02 part by mass or more and 0.3 part by mass or less, an amount of the lubricant is 0.25 part by mass or more and 0.6 part by mass or less, and an amount of the cationic resin is 0.25 part by mass or more and 0.
    Type: Application
    Filed: March 13, 2018
    Publication date: April 15, 2021
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Jun URASAKI, Masanori NAGOSHI, Hideki TAKADA
  • Publication number: 20200181837
    Abstract: The object is to provide a transfer paper having good image deterioration resistance, color development property and adhesion property. The object is achieved by a transfer paper for use in a transfer textile printing method using sublimation textile ink, which comprises a base paper and one or more coating layer(s) provided on at least one side of the base paper, wherein an outermost coating layer positioned on the outermost side with respect to the base paper contains at least a pigment and a binder, at least one of the pigment is amorphous silica, and the binder contains two or more different binders, and at least one of the binders is an ethylene-vinyl acetate copolymer.
    Type: Application
    Filed: April 9, 2018
    Publication date: June 11, 2020
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Koji IGARASHI, Jun URASAKI
  • Publication number: 20200039275
    Abstract: A transfer paper used for a transfer printing method using sublimation textile ink, comprising a base paper and one or more coating layer(s) provided on at least one side of the base paper, wherein an outermost coating layer positioned on the outermost side with respect to the base paper contains at least a pigment, a binder, a polyacrylic acid salt and an acetylene glycol derivative, has image deterioration resistance, good color development property and excellent adhesion property.
    Type: Application
    Filed: July 3, 2017
    Publication date: February 6, 2020
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Koji IGARASHI, Jun URASAKI
  • Publication number: 20190217647
    Abstract: The present invention relates to a transfer paper, which is: (i) a transfer paper without a coating layer, which comprises a pulp, a filler and an urea phosphate esterified starch, or (ii) a transfer paper having a coating layer, which comprises a base paper and one or more coating layer(s) provided on at least one side of the base paper, wherein an outermost coating layer positioned on the outermost side with respect to the base paper contains at least kaolin, calcium carbonate and a binder, wherein, (?) the base paper contains an urea phosphate esterified starch, or (?) the outermost coating layer contains an urea phosphate esterified starch. According to the present invention, it is possible to provide a transfer paper excellent in image deterioration resistance, color development property, adhesion property and strike-through suppression property.
    Type: Application
    Filed: June 6, 2017
    Publication date: July 18, 2019
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori NAGOSHI, Atsushi NAKAMURA, Jun URASAKI, Hideki TAKADA
  • Patent number: 9562329
    Abstract: A task of the present invention is to provide a coated printing paper for an industrial inkjet printing press, which has printability for a conventional printing press for use in, e.g., offset printing, and which has printability that can cope with the printing speed of an industrial inkjet printing press. An embodiment of the present invention is a coated printing paper for an industrial inkjet printing press, having a support; and, on at least one surface of the support, a coating layer containing at least a binder, a cationic compound, and ground calcium carbonate which, in a particle size distribution curve thereof, has at least one peak and has a half band width of 0.25 ?m or less with respect to the maximum peak, and which has an average particle diameter of 0.10 to 0.28 ?m.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: February 7, 2017
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori Nagoshi, Jun Urasaki
  • Publication number: 20160333527
    Abstract: A task of the present invention is to provide a coated printing paper for an industrial inkjet printing press, which has printability for a conventional printing press for use in, e.g., offset printing, and which has printability that can cope with the printing speed of an industrial inkjet printing press. An embodiment of the present invention is a coated printing paper for an industrial inkjet printing press, having a support; and, on at least one surface of the support, a coating layer containing at least a binder, a cationic compound, and ground calcium carbonate which, in a particle size distribution curve thereof, has at least one peak and has a half band width of 0.25 ?m or less with respect to the maximum peak, and which has an average particle diameter of 0.10 to 0.28 ?m.
    Type: Application
    Filed: January 9, 2015
    Publication date: November 17, 2016
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori NAGOSHI, Jun URASAKI
  • Patent number: 9434200
    Abstract: The present invention provides a coated printing paper which is for use in an industrial inkjet printing machine and which has printability that can accommodate the printing speed of an industrial inkjet printing machine while having printability for a conventional printing machine such as an offset press. The present invention provides a coated printing paper for an industrial inkjet printing machine, which comprises: a base paper at least containing a boric acid compound or a borate compound; and on the base paper, a coating layer at least containing polyvinyl alcohol and ground calcium carbonate having a mean particle diameter of 0.1 ?m to 0.28 ?m.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: September 6, 2016
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori Nagoshi, Jun Urasaki
  • Patent number: 9205643
    Abstract: The present invention provides a method for manufacturing printed products using an industrial inkjet printer and the method does not generate soiling of the images and printing unevenness. The present invention provides a method for manufacturing a printed product using an industrial inkjet printer, comprising: a step for printing on coated printing paper using an industrial inkjet printer, wherein the printing speed of the industrial inkjet printer is 60 m/min or more, the coated printing paper contains a support and a coating layer, and the coating layer contains ground calcium carbonate, having a cumulative frequency of a particle diameter of 1.0 ?m or less in a volume-based particle size distribution of 95% by volume or more and a mean particle diameter of 0.1 ?m to 0.28 ?m, at 60% by mass or more of the total amount of pigment in the coating layer.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: December 8, 2015
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori Nagoshi, Koji Idei, Jun Urasaki
  • Publication number: 20150283840
    Abstract: The present invention provides a coated printing paper which is for use in an industrial inkjet printing machine and which has printability that can accommodate the printing speed of an industrial inkjet printing machine while having printability for a conventional printing machine such as an offset press. The present invention provides a coated printing paper for an industrial inkjet printing machine, which comprises: a base paper at least containing a boric acid compound or a borate compound; and on the base paper, a coating layer at least containing polyvinyl alcohol and ground calcium carbonate having a mean particle diameter of 0.1 ?m to 0.28 ?m.
    Type: Application
    Filed: October 8, 2013
    Publication date: October 8, 2015
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori Nagoshi, Jun Urasaki
  • Publication number: 20150273819
    Abstract: The present invention provides a method for manufacturing printed products using an industrial inkjet printer and the method does not generate soiling of the images and printing unevenness. The present invention provides a method for manufacturing a printed product using an industrial inkjet printer, comprising: a step for printing on coated printing paper using an industrial inkjet printer, wherein the printing speed of the industrial inkjet printer is 60 m/min or more, the coated printing paper contains a support and a coating layer, and the coating layer contains ground calcium carbonate, having a cumulative frequency of a particle diameter of 1.0 ?m or less in a volume-based particle size distribution of 95% by volume or more and a mean particle diameter of 0.1 ?m to 0.28 ?m, at 60% by mass or more of the total amount of pigment in the coating layer.
    Type: Application
    Filed: October 8, 2013
    Publication date: October 1, 2015
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori Nagoshi, Koji Idei, Jun Urasaki
  • Patent number: 8609210
    Abstract: The object of the present invention is to provide a coated printing paper used for ink jet printing machines, which has an ink fixing property and ink absorption property corresponding to ink jet printing, which inhibits poor dot diffusion, and which is excellent in abrasion resistance property of printed portions. According to the present invention, provided is a coated printing paper comprising a base paper, an undercoating layer which is applied on at least one surface of the base paper and contains a pigment and a binder, and one or more coating layers on the undercoating layer, wherein the base paper contains at least one selected from a cationic resin and a multivalent cation salt; the uppermost coating layer contains at least a colloidal silica; and the 75° gloss according to JIS Z8741 of the surface of the uppermost coating layer is 40% or more.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: December 17, 2013
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Masanori Nagoshi, Koji Idei, Hiroshi Matsuda, Kazutoshi Iida, Jun Urasaki
  • Patent number: 8602550
    Abstract: A coated printing paper has a favorable offset printability, which can achieve good ink fixing and ink absorption properties even in ink jet printing, which has suitable dot diffusion even when printed by an ink jet printer using pigment ink, and can prevent the occurrence of white lines. The coated printing paper comprises a base paper and a coating layer which is applied to at least one surface of the base paper and contains a pigment and a binder as major components, wherein the base paper comprises a cationic compound, the coating layer contains, as a pigment, 50 parts by mass or more of ground calcium carbonate based on 100 parts by mass of total pigments in the coating layer, and the applied amount of the coating layer is 2.0 g/m2 to 7.0 g/m2, both inclusive, per surface.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: December 10, 2013
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Koji Idei, Hiroo Kaji, Hiroshi Matsuda, Masanori Nagoshi, Kazutoshi Iida, Jun Urasaki
  • Publication number: 20120114880
    Abstract: The object of the present invention is to provide a coated printing paper used for ink jet printing machines, which has an ink fixing property and ink absorption property corresponding to ink jet printing, which inhibits poor dot diffusion, and which is excellent in abrasion resistance property of printed portions. According to the present invention, provided is a coated printing paper comprising a base paper, an undercoating layer which is applied on at least one surface of the base paper and contains a pigment and a binder, and one or more coating layers on the undercoating layer, wherein the base paper contains at least one selected from a cationic resin and a multivalent cation salt; the uppermost coating layer contains at least a colloidal silica; and the 75° gloss according to JIS Z8741 of the surface of the uppermost coating layer is 40% or more.
    Type: Application
    Filed: July 13, 2010
    Publication date: May 10, 2012
    Inventors: Masanori Nagoshi, Koji Idei, Hiroshi Matsuda, Kazutoshi Iida, Jun Urasaki
  • Publication number: 20120107531
    Abstract: A coated printing paper has a favorable offset printability, which can achieve good ink fixing and ink absorption properties even in ink jet printing, which has suitable dot diffusion even when printed by an ink jet printer using pigment ink, and can prevent the occurrence of white lines. The coated printing paper comprises a base paper and a coating layer which is applied to at least one surface of the base paper and contains a pigment and a binder as major components, wherein the base paper comprises a cationic compound, the coating layer contains, as a pigment, 50 parts by mass or more of ground calcium carbonate based on 100 parts by mass of total pigments in the coating layer, and the applied amount of the coating layer is 2.0 g/m2 to 7.0 g/m2, both inclusive, per surface.
    Type: Application
    Filed: June 29, 2010
    Publication date: May 3, 2012
    Inventors: Koji Idei, Hiroo Kaji, Hiroshi Matsuda, Masanori Nagoshi, Kazutoshi Iida, Jun Urasaki
  • Patent number: 6670002
    Abstract: An ink jet recording sheet which comprises a support and an ink-receiving layer formed on at least one side of the support, said ink-receiving layer comprising a pigment, colloidal particles or a mixture thereof, and a binder resin, as the main components, wherein the ink-receiving layer contains at least one organic titanium compound of the following formula 1 or 2: wherein R is hydrogen or CmH2m+1, provided that m is 3 or 4, R′ is hydrogen, NH4+ or CnH2n+1, provided that n is an integer of from 1 to 3, and x is an integer of from 1 to 3,  wherein R″ is CpH2p, provided that p is an integer of from 5 to 8, R′″ is CqH2q+1, provided that q is 3 or 4, and y is an integer of from 1 to 3.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: December 30, 2003
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Hideki Sekiguchi, Tetsuya Uto, Jun Urasaki
  • Patent number: 6403198
    Abstract: The object of the present invention is to provide an ink jet recording medium which has an ink absorption layer comprising a coating solution containing an alumina hydrate and a water-soluble binder, said ink absorption layer being inhibited from formation of cracks at the drying step and said coating solution being excellent in stability with time. In the ink jet recording medium according to the present invention, the ink absorption layer contains an alumina hydrate and at least two kinds of polyvinyl alcohols differing in saponification degree.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: June 11, 2002
    Assignee: Mitsubishi Paper Mills Limited
    Inventor: Jun Urasaki
  • Patent number: 5887214
    Abstract: The apparatus for coating a photosensitive material (M) with a processing liquid comprises an activator coating mechanism (43) for metering a constant amount of activator to apply the metered activator to the photosensitive surface of the photosensitive material fed by the pair of introduction rollers. The activator is supplied form a plurality of discharge holes (121) bored in a pipe (122) and is once received by a receiving portion (124). The activator is diffused horizontally and flows downwardly through a plurality of openings (123) bored at the bottom of the receiving portion onto a coating roller (125). The activator is diffused again at the contact between the coating roller and a diffusion film (126) and is coated to the photosensitive material by the coating roller.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: March 23, 1999
    Assignees: Mitsubishi Paper Mills Limited, Dainippon Screen Mfg. Co., Ltd.
    Inventors: Sadao Kuriu, Kyonosuke Yamamoto, Jun Urasaki, Yoshikazu Takano, Tsuyoshi Harada, Akira Kunihiro, Kunihiro Tanabe, Eiji Miyasaka, Masaharu Kimura, Yasuhiro Kawaguchi, Fumito Fukuhara
  • Patent number: 5839011
    Abstract: The apparatus for coating a lithographic printing plate or a photosensitive material (M) with a processing liquid comprises first and second pairs of feed rollers (41,42: 44,45) for feeding the photosensitive arterial along a predetermined path. A coating roller (125) is provided therebetween. Guide members (48, 49) contact the bottom surface of the photosensitive material and to guide the photosensitive material. The contacts of the guide members and the photosensitive material are at the levels higher than the coating level at which the processing liquid is applied to the photosensitive material to prevent uneven coating of the photosensitive material with the processing liquid after the trailing edge of the photosensitive material has passed the first pairs of the feed rollers (41,42).
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: November 17, 1998
    Assignees: Mitsubishi Paper Mills Ltd., Dainippon Screen Mfg. Co., Ltd.
    Inventors: Jun Urasaki, Yoshikazu Takano, Akira Kunihiro, Eiji Miyasaka, Masaharu Kimura, Yasuhiro Kawaguchi