Patents by Inventor Masanori Nagoshi

Masanori Nagoshi 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: 10906344
    Abstract: A printing paper having a base paper and an outermost coating layer is provided, and satisfies at least one of the following characteristics (I), (II) and (III): (I) when an aqueous solution having a surface tension of 20 mN/m is dropped on the side having the outermost coating layer of the printing paper, a contact angle between the droplet and the outermost coating layer is 40° or more and 65° or less; (II) for the side having the outermost coating layer of the printing paper, a transfer amount of an aqueous solution having a surface tension of 20 mN/m at a contact time of 1 second as determined by the Bristow method is 5.0 ml/m2 or more and 12.0 ml/m2 or less; and (III) on the surface of the outermost coating layer of the printing paper, a maximum peak value of specular reflection light quantity of a point image is 2,000 or more and 30,000 or less.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: February 2, 2021
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori Nagoshi, Tetsuya Nishi, Toru Kaneko, Hideki Takada, Masayuki Takishiro
  • Patent number: 10889875
    Abstract: A grain oriented electrical steel sheet comprising a grain oriented electrical steel sheet having a surface and a forsterite film formed on the surface of the steel sheet, wherein a total area percentage of defective parts scattered on the forsterite film is less than 1.5% relative to a surface area of the forsterite film when viewed from above the surface, and methods for evaluating a grain oriented electrical steel sheet comprising a grain oriented electrical steel sheet having a surface and a forsterite film formed on the surface of the steel sheet.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: January 12, 2021
    Assignee: JFE STEEL CORPORATION
    Inventors: Masayasu Nagoshi, Tomohiro Matsushima, Makoto Watanabe, Shigehiro Takajo, Toshito Takamiya, Masanori Uesaka, Takashi Terashima
  • Patent number: 10697038
    Abstract: A grain oriented electrical steel sheet comprising a grain oriented electrical steel sheet having a surface and a forsterite film formed on the surface of the steel sheet, wherein a total area percentage of defective parts scattered on the forsterite film is less than 1.5% relative to a surface area of the forsterite film when viewed from above the surface, and methods for evaluating a grain oriented electrical steel sheet comprising a grain oriented electrical steel sheet having a surface and a forsterite film formed on the surface of the steel sheet.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: June 30, 2020
    Assignee: JFE STEEL CORPORATION
    Inventors: Masayasu Nagoshi, Tomohiro Matsushima, Makoto Watanabe, Shigehiro Takajo, Toshito Takamiya, Masanori Uesaka, Takashi Terashima
  • Publication number: 20200114674
    Abstract: A printing paper having a base paper, and one or more coating layer(s) arranged on at least one surface of the base paper, wherein; in the coating layer(s), an outermost coating layer positioned on the outermost side with respect to the base paper contains at least a pigment, a binder, a lubricant, a dispersant and a cationic resin, wherein the pigment in the outermost coating layer contains kaolin and calcium carbonate, a content of the kaolin and the calcium carbonate is 80 parts by mass or more based on 100 parts by mass of the pigment in the outermost coating layer, and a mass content ratio of the kaolin to the calcium carbonate in the outermost coating layer is 1:9 to 6:4, and the printing paper satisfies at least one of the following characteristics (I), (II) and (III): (I) when an aqueous solution having a surface tension of 20 mN/m is dropped on the side having the outermost coating layer of the printing paper, a contact angle between the droplet and the outermost coating layer is 40° or more and 6
    Type: Application
    Filed: March 12, 2018
    Publication date: April 16, 2020
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori NAGOSHI, Tetsuya NISHI, Toru KANEKO, Hideki TAKADA, Masayuki TAKISHIRO
  • Publication number: 20190292623
    Abstract: A grain oriented electrical steel sheet comprising a grain oriented electrical steel sheet having a surface and a forsterite film formed on the surface of the steel sheet, wherein a total area percentage of defective parts scattered on the forsterite film is less than 1.5% relative to a surface area of the forsterite film when viewed from above the surface, and methods for evaluating a grain oriented electrical steel sheet comprising a grain oriented electrical steel sheet having a surface and a forsterite film formed on the surface of the steel sheet.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 26, 2019
    Applicant: JFE STEEL CORPORATION
    Inventors: Masayasu NAGOSHI, Tomohiro MATSUSHIMA, Makoto WATANABE, Shigehiro TAKAJO, Toshito TAKAMIYA, Masanori UESAKA, Takashi TERASHIMA
  • 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: 9889696
    Abstract: A coated paper for industrial inkjet printing presses that achieves excellent uniformity in color densities and ink absorbability, has the capability of suppressing strike-through of inks, and achieves excellent paper feeding characteristics is provided. The paper comprises: a base paper, and a coating layer containing at least one selected from the group consisting of a cationic resin and a water-soluble polyvalent cationic salt, and a pigment containing kaolin, on the base paper. The coated paper surface on the side where the coating layer is located has an arithmetic mean roughness (Ra) of is 4.5 ?m to 7.5 ?m, and has 1 to 350 protruding parts per 1.0 square centimeter, wherein a protruding part has a maximum width of 10 ?m to 100 ?m measured using a photographed image of the coated paper surface taken by magnifying 50 times using an electron microscope.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: February 13, 2018
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Hideki Takada, Tetsuya Nishi, Masanori Nagoshi
  • Patent number: 9873985
    Abstract: The present invention relates to a coated printing paper for an industrial inkjet printing press having a base paper, and at least two layers of coating layers arranged on at least one surface of the base paper; a first coating layer that is located at a farthest position from the base paper among the at least two layers of coating layers containing a pigment and a binder as main components, a peak existing in the range of 0.010 ?m to 0.030 ?m in a pore size distribution curve thereof, at least one type of the pigment thereof being ground calcium carbonate, and the content thereof being 60 parts by mass or more per 100 parts by mass total of all pigment(s) contained in the first coating layer; and a second coating layer that is in contact with the first coating layer among the at least two layers of coating layers containing a pigment and a binder as main components, and a peak existing in the range of 0.080 ?m to 0.300 ?m in a pore size distribution curve thereof.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: January 23, 2018
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Masanori Nagoshi, Toru Kaneko
  • Patent number: 9840103
    Abstract: The present invention provides a lightweight coated printing paper for an industrial inkjet printing press, having a base paper, and one or more coating layers being disposed on at least one surface of the base paper and containing a pigment and a binder, wherein the total coating weight of the coating layer(s) is 6 g/m2 or less per one surface, the at least one of the pigment in the coating layer(s) is ground calcium carbonate having an average particle diameter of 0.50 to 1.00 ?m, wherein the amount of the ground calcium carbonate contained in the coating layer(s) is 50 parts by mass or more, relative to 100 parts by mass of the total of the pigment in the coating layer(s), the lightweight coated printing paper has an opacity of 92.0% or more, a Stöckigt sizing degree of 1.0 to 8.0 seconds, and a 10-second Cobb sizing degree of 30 to 80 g/m2, wherein the ratio of the 10-second Cobb sizing degree to the Stöckigt sizing degree is 10.0 to 40.0.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: December 12, 2017
    Assignee: Mitsubishi Paper Mills Limited
    Inventor: Masanori Nagoshi
  • Patent number: 9789722
    Abstract: Provided is a printing coated paper which is advantageous not only in that the coated paper has offset printability and causes no mottling in the printed area even in ink jet printing, but also in that the coated paper exhibits excellent rubbing resistance with respect to the printed area and excellent print density of a dye ink. The task of the present invention is achieved by a printing coated paper having a coating layer comprised mainly of a pigment and a binder formed on at least one side of a base paper, wherein the base paper is a treated base paper which has been subjected to size press using a treatment solution containing at least one member selected from a cationic resin and a water-soluble multivalent cation salt, wherein the total applied amount per each side of the at least one member selected from a cationic resin and a water-soluble multivalent cation salt, in terms of the solids content, is in the range of from 0.1 to 5.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: October 17, 2017
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori Nagoshi, Koji Idei, Tetsuya Nishi, Toru Kaneko
  • Publication number: 20170267010
    Abstract: The present invention is to provide a coated paper for industrial inkjet printing presses comprising: a base paper, and a coating layer containing at least one selected from the group consisting of a cationic resin and a water-soluble polyvalent cationic salt, and a pigment containing kaolin, on the base paper; wherein the content of the kaolin is 30 parts by mass to 80 parts by mass based on 100 parts by mass of the pigment in the coating layer, an arithmetic mean roughness (Ra) stipulated in JIS B 0601:2001 (ISO 4287:1997) of a coated paper surface on the side where the coating layer is located is 4.5 ?m to 7.5 ?m, the coated paper surface on the side where the coating layer is located has 1 to 350 protruding parts per 1.0 square centimeter, and the protruding part is a protruding part having the maximum width of 10 ?m to 100 ?m measured using a photographed image of the coated paper surface taken by magnifying 50 times using an electron microscope.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 21, 2017
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Hideki TAKADA, Tetsuya NISHI, Masanori NAGOSHI
  • Publication number: 20170246884
    Abstract: The present invention relates to a coated printing paper for an industrial inkjet printing press having a base paper, and at least two layers of coating layers arranged on at least one surface of the base paper; a first coating layer that is located at a farthest position from the base paper among the at least two layers of coating layers containing a pigment and a binder as main components, a peak existing in the range of 0.010 ?m to 0.030 ?m in a pore size distribution curve thereof, at least one type of the pigment thereof being ground calcium carbonate, and the content thereof being 60 parts by mass or more per 100 parts by mass total of all pigment(s) contained in the first coating layer; and a second coating layer that is in contact with the first coating layer among the at least two layers of coating layers containing a pigment and a binder as main components, and a peak existing in the range of 0.080 ?m to 0.300 ?m in a pore size distribution curve thereof.
    Type: Application
    Filed: June 18, 2015
    Publication date: August 31, 2017
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori NAGOSHI, Toru KANEKO
  • Patent number: 9724910
    Abstract: Printing paper for an industrial rotary inkjet printing press is provided that has superior printability with respect to an offset printing press, and has superior color density uniformity, inhibition of ink strike-through and dot reproducibility with respect to an industrial rotary inkjet printing press using water-based pigment ink. The printing paper for an industrial rotary inkjet printing press comprises a base paper and at least one coating layer containing pigment, binder and water-soluble polyvalent cation salt on at least one side of the base paper, wherein at least one of the pigment is kaolin having an average particle diameter of 0.20 ?m to 1.50 ?m, and the content of the kaolin in the coating layer is 50 parts by weight or more based on 100 parts by weight of the pigment in the coating layer, the content of the water-soluble polyvalent cation salt in the coating layer is 1.0 parts by weight to 6.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: August 8, 2017
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventor: Masanori Nagoshi
  • Publication number: 20170173987
    Abstract: The present invention provides a lightweight coated printing paper for an industrial inkjet printing press, having a base paper, and one or more coating layers being disposed on at least one surface of the base paper and containing a pigment and a binder, wherein the total coating weight of the coating layer(s) is 6 g/m2 or less per one surface, the at least one of the pigment in the coating layer(s) is ground calcium carbonate having an average particle diameter of 0.50 to 1.00 ?m, wherein the amount of the ground calcium carbonate contained in the coating layer(s) is 50 parts by mass or more, relative to 100 parts by mass of the total of the pigment in the coating layer(s), the lightweight coated printing paper has an opacity of 92.0% or more, a Stöckigt sizing degree of 1.0 to 8.0 seconds, and a 10-second Cobb sizing degree of 30 to 80 g/m2, wherein the ratio of the 10-second Cobb sizing degree to the Stöckigt sizing degree is 10.0 to 40.0.
    Type: Application
    Filed: January 22, 2015
    Publication date: June 22, 2017
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventor: Masanori NAGOSHI
  • Patent number: 9616695
    Abstract: The present invention provides coated printing paper for industrial inkjet printing presses comprising base paper and, formed on at least one surface of the base paper, a coating layer containing a pigment and a binder as major components, wherein the base paper contains precipitated calcium carbonate which is aggregates of spindle-like precipitated calcium carbonate having an average minor-axis length of 0.3 ?m to 0.4 ?m and a ratio of average major-axis length/average minor-axis length of 2.0 to 7.0 and which has an average secondary particle diameter of 3.0 ?m to 5.5 ?m, and further contains at least one material selected from the group consisting of a cationic resin and a water-soluble salt of a polyvalent cation, and the coating layer contains ground calcium carbonate having an average particle diameter of 0.1 ?m to 0.28 ?m in an amount of 60 parts by mass or greater based on 100 parts by mass of the total pigment contained in the coating layer.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: April 11, 2017
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori Nagoshi, Toru Kaneko, Atsushi Nakamura
  • 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
  • Publication number: 20160271985
    Abstract: Printing paper for an industrial rotary inkjet printing press is provided that has superior printability with respect to an offset printing press, and has superior color density uniformity, inhibition of ink strike-through and dot reproducibility with respect to an industrial rotary inkjet printing press using water-based pigment ink. The printing paper for an industrial rotary inkjet printing press comprises a base paper and at least one coating layer containing pigment, binder and water-soluble polyvalent cation salt on at least one side of the base paper, wherein at least one of the pigment is kaolin having an average particle diameter of 0.20 ?m to 1.50 ?m, and the content of the kaolin in the coating layer is 50 parts by weight or more based on 100 parts by weight of the pigment in the coating layer, the content of the water-soluble polyvalent cation salt in the coating layer is 1.0 parts by weight to 6.
    Type: Application
    Filed: February 18, 2016
    Publication date: September 22, 2016
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventor: Masanori NAGOSHI
  • 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
  • Publication number: 20160243869
    Abstract: The present invention provides coated printing paper for industrial inkjet printing presses comprising base paper and, formed on at least one surface of the base paper, a coating layer containing a pigment and a binder as major components, wherein the base paper contains precipitated calcium carbonate which is aggregates of spindle-like precipitated calcium carbonate having an average minor-axis length of 0.3 ?m to 0.4 ?m and a ratio of average major-axis length/average minor-axis length of 2.0 to 7.0 and which has an average secondary particle diameter of 3.0 ?m to 5.5 ?m, and further contains at least one material selected from the group consisting of a cationic resin and a water-soluble salt of a polyvalent cation, and the coating layer contains ground calcium carbonate having an average particle diameter of 0.1 ?m to 0.28 ?m in an amount of 60 parts by mass or greater based on 100 parts by mass of the total pigment contained in the coating layer.
    Type: Application
    Filed: August 7, 2014
    Publication date: August 25, 2016
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Masanori NAGOSHI, Toru KANEKO, Atsushi NAKAMURA