Patents by Inventor Shuichi Nakamura

Shuichi Nakamura 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: 11946143
    Abstract: A laminate comprising a substrate; and a plating-forming layer disposed on at least one surface of both surfaces of the substrate and containing a thermoplastic resin and a plating catalyst, wherein the plating-forming layer further satisfies conditions of the following (1) and/or (2), (1) the plating-forming layer contains a dispersing agent for dispersing the plating catalyst (2) an abundance of the plating catalyst on a surface side of the plating-forming layer is higher than an abundance of the plating catalyst on the substrate side of the plating-forming layer.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: April 2, 2024
    Assignee: Arisawa Mfg. Co., Ltd.
    Inventors: Kenji Nakamura, Yoshihiko Konno, Hiroyuki Matsuyama, Makoto Tai, Shuichi Fujita
  • Patent number: 11939641
    Abstract: A grain oriented electrical steel sheet includes the texture aligned with Goss orientation. In the grain oriented electrical steel sheet, when (?1 ?1 ?1) and (?2 ?2 ?2) represent deviation angles of crystal orientations measured at two measurement points which are adjacent on the sheet surface and which have an interval of 1 mm, the boundary condition BA is defined as [(?2??1)2+(?2??1)2+(?2??1)2]1/2?0.5°, and the boundary condition BB is defined as [(?2??1)2+(?2??1)2+(?2??1)2]1/2?2.0°, the boundary which satisfies the boundary condition BA and which does not satisfy the boundary condition BB is included.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: March 26, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Shuichi Nakamura, Yusuke Kawamura, Shota Morimoto
  • Patent number: 11920398
    Abstract: An opening/closing mechanism includes a first inclined portion disposed in an opening/closing body that opens/closes while a first shaft serves as a fulcrum in a main body, a second inclined portion disposed in the opening/closing body, and a swing portion that swings between the first inclined portion and the second inclined portion while a second shaft disposed in the main body serves as a fulcrum, in which during a closing operation of the opening/closing body, the swing portion applies a force in a closing direction of the opening/closing body by coming into contact with the first inclined portion, after applying a force in an opening direction of the opening/closing body by coming into contact with the second inclined portion.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: March 5, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Akira Ueshima, Shuichi Nishide, Michiaki Yoshida, Keigo Shinoto, Wataru Nakamura
  • Patent number: 11884988
    Abstract: In a base sheet for a grain-oriented electrical steel sheet of the present invention, an amount of surface oxygen x per one surface of the base sheet and a value y of a peak (?R/R0 @1250 cm?1) of SiO2 on the surface of the base sheet obtained by infrared reflection spectroscopy satisfy y?1500x2.5 and y?0.24. A method of manufacturing the base sheet for a grain-oriented electrical steel sheet of the present invention includes: adjusting the amount of surface oxygen per one surface of a final-annealed grain-oriented silicon steel sheet to more than 0.01 g/m2 and 0.05 g/m2 or less, or more than 0.05 g/m2 and 0.10 g/m2 or less; and performing thermal oxidation annealing in an atmosphere in which an oxidation potential represented by a ratio PH2O/PH2 of water vapor pressure to hydrogen pressure is 0.0081 or less in a case where the amount of surface oxygen is more than 0.01 g/m2 and 0.05 g/m2 or less, or in an atmosphere in which the oxidation potential is 0.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: January 30, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Shuichi Nakamura, Seiki Takebayashi, Yoshiyuki Ushigami, Shinsuke Takatani, Hiroyasu Fujii
  • Patent number: 11851726
    Abstract: A grain oriented electrical steel sheet includes the texture aligned with Goss orientation. In the grain oriented electrical steel sheet, when (?1 ?1 ?1) and (?2 ?2 ?2) represent deviation angles of crystal orientations measured at two measurement points which are adjacent on the sheet surface and which have an interval of 1 mm, the boundary condition BA is defined as |?2??1|?0.5°, and the boundary condition BB is defined as [(?2??1)2+(?2??1)2+(?2??1)2]1/2?2.0°, the boundary which satisfies the boundary condition BA and which does not satisfy the boundary condition BB is included.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: December 26, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Shuichi Nakamura, Yusuke Kawamura, Shingo Okada, Tomoaki Ito, Shinya Yano
  • Publication number: 20230386727
    Abstract: This wound core is a wound core including a substantially rectangular wound core main body in a side view, wherein, in the wound core main body, first planar portions and corner portions are alternately continuous in a longitudinal direction, each corner portion has a curved shape in a side view of the grain-oriented electrical steel sheet, two or more bent portions having a second planar portion between the adjacent bent portions are provided, and in at least one of the first planar portion and second planar portion in the vicinity of the bent portion, the following Formula (1) is satisfied: (Nac+Nal)/Nt?0.010??(1) here, Nt is a total number of grain boundary determination locations in the first planar portion and second planar portion region adjacent to the bent portion, and Nac and Nal each are a number of determination location at which subgrain boundaries are able to be identified in a direction parallel to and direction perpendicular to the bent portion boundary.
    Type: Application
    Filed: October 26, 2021
    Publication date: November 30, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventor: Shuichi NAKAMURA
  • Publication number: 20230309214
    Abstract: An electronic device that is capable of keeping the impedance (ground impedance) between a printed circuit board and a shield case low. The electronic device includes a printed circuit board that has ground layer(s) which is conductive and is provided at a location in the thickness direction of the printed circuit board, and the shield case which is disposed on one side of the printed circuit board and consists of a hollow body that has conductivity. A through hole(s) passing through the ground layer is formed in the printed circuit board. A projecting portion(s), which is inserted into the through hole(s), is formed in a projecting manner in the shield case. In a state of being inserted in the through hole(s), the projecting portion(s) is electrically connected to the ground layer via solder.
    Type: Application
    Filed: March 8, 2023
    Publication date: September 28, 2023
    Inventor: SHUICHI NAKAMURA
  • Patent number: 11753691
    Abstract: A grain oriented electrical steel sheet includes the texture aligned with Goss orientation. In the grain oriented electrical steel sheet, when (?1 ?1 ?1) and (?2 ?2 ?2) represent deviation angles of crystal orientations measured at two measurement points which are adjacent on the sheet surface and which have an interval of 1 mm, the boundary condition BA is defined as |?2??1|?0.5°, and the boundary condition BB is defined as [(?2??1)2+(?2??1)2+(?2??1)2]1/2?2.0°, the boundary which satisfies the boundary condition BA and which does not satisfy the boundary condition BB is included.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: September 12, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Shuichi Nakamura, Yusuke Kawamura
  • Publication number: 20230084111
    Abstract: A grain oriented electrical steel sheet includes the texture aligned with Goss orientation. In the grain oriented electrical steel sheet, when a grain size RA?C, a grain size RA?C, and a grain size RA?C are defined in a transverse direction C, the grain sizes satisfy RA?C<RA?C and RA?C<RA?C.
    Type: Application
    Filed: February 5, 2020
    Publication date: March 16, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shuichi NAKAMURA, Yusuke KAWAMURA
  • Patent number: 11605988
    Abstract: A method for manufacturing a laminated iron core includes providing a plurality of annular iron core piece rows, each of which is configured by annularly arranging a plurality of divided iron core pieces including yokes and teeth, and the yokes of the annularly-adjacent divided iron core pieces in the annular iron core piece row are mutually different in shape. In the method, the annular iron core piece rows are laminated by changing a rotational angle of the newly laminated annular iron core piece row relatively to the lastly laminated annular iron core piece row laminated so that the divided iron core piece with a shape different from that of the divided iron core piece is laminated on the lastly laminated divided iron core piece.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: March 14, 2023
    Assignee: MITSUI HIGH-TEC, INC.
    Inventors: Shuichi Nakamura, Daisuke Momota
  • Publication number: 20230071853
    Abstract: A grain oriented electrical steel sheet includes the texture aligned with Goss orientation. In the grain oriented electrical steel sheet, when a grain size RA?L, a grain size RA?L, and a grain size RA?L are defined in a rolling direction L, the grain sizes satisfy RA?L<RA?L and RA?L<RA?L.
    Type: Application
    Filed: February 5, 2020
    Publication date: March 9, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shuichi NAKAMURA, Yusuke KAWAMURA
  • Patent number: 11513450
    Abstract: An image forming apparatus includes: a photoconductor; an optical scanner configured to cause a plurality of light beams to scan simultaneously on a surface of the photoconductor; a pixel size calculator configured to calculate a pixel size corresponding to a scanning position of each of the light beams; a light-quantity value quantization converter configured to quantize a light-quantity value corresponding to the scanning position of each of the light beams; a storage configured to store conversion data for conversion from image density data into a light beam driving signal; a signal converter configured to perform, with the conversion data, conversion from the image density data into the light beam driving signal; a selector configured to select the conversion data, according to the pixel size calculator and the light-quantity value quantization converter; and a light source configured to emit the plurality of light beams, based on driving data obtained through conversion by a driving data converter with t
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: November 29, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shuichi Nakamura
  • Publication number: 20220372589
    Abstract: A grain oriented electrical steel sheet includes the texture aligned with Goss orientation. In the grain oriented electrical steel sheet, when (?1 ?1 ?1) and (?2 ?2 ?2) represent deviation angles of crystal orientations measured at two measurement points which are adjacent on the sheet surface and which have an interval of 1 mm, the boundary condition BA is defined as |?2??1|?0.5°, and the boundary condition BB is defined as [(?2??1)2+(?2??1)2+(?2??1)2]1/2?2.0°, the boundary which satisfies the boundary condition BA and which does not satisfy the boundary condition BB is included.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 24, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shuichi NAKAMURA, Yusuke KAWAMURA
  • Patent number: 11450460
    Abstract: A grain-oriented electrical steel sheet includes: a base steel sheet; an intermediate layer arranged in contact with the base steel sheet; and an insulation coating arranged in contact with the intermediate layer to be an outermost surface, in which the intermediate layer has a local oxidized area when viewing a cross section whose cutting direction is parallel to a thickness direction, and a thickness of the intermediate layer in an area where the local oxidized area is included is 50 nm or more, and a thickness of the intermediate layer in an area where the local oxidized area is not included is less than 50 nm.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 20, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Seiki Takebayashi, Shuichi Nakamura, Hiroyasu Fujii, Yoshiyuki Ushigami, Shinsuke Takatani
  • Publication number: 20220269191
    Abstract: An image forming apparatus includes: a photoconductor; an optical scanner configured to cause a plurality of light beams to scan simultaneously on a surface of the photoconductor; a pixel size calculator configured to calculate a pixel size corresponding to a scanning position of each of the light beams; a light-quantity value quantization converter configured to quantize a light-quantity value corresponding to the scanning position of each of the light beams; a storage configured to store conversion data for conversion from image density data into a light beam driving signal; a signal converter configured to perform, with the conversion data, conversion from the image density data into the light beam driving signal; a selector configured to select the conversion data, according to the pixel size calculator and the light-quantity value quantization converter; and a light source configured to emit the plurality of light beams, based on driving data obtained through conversion by a driving data converter with t
    Type: Application
    Filed: February 4, 2022
    Publication date: August 25, 2022
    Inventor: Shuichi Nakamura
  • Patent number: 11346005
    Abstract: A grain-oriented electrical steel sheet includes: a base steel sheet; an intermediate layer arranged in contact with the base steel sheet; and an insulation coating arranged in contact with the intermediate layer to be an outermost surface, in which the insulation coating has a crystalline phosphide-containing layer containing a crystalline phosphide in an area in contact with the intermediate layer when viewing a cross section whose cutting direction is parallel to a thickness direction.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: May 31, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Seiki Takebayashi, Shuichi Nakamura, Hiroyasu Fujii, Yoshiyuki Ushigami, Shinsuke Takatani
  • Publication number: 20220119905
    Abstract: A method for producing a grain oriented electrical steel sheet includes a decarburization annealing process where an oxidation degree PH2O/PH2 is controlled, an annealing separator applying process where a mass ratio of MgO and Al2O3 in an annealing separator is controlled, a final annealing process where an oxidation degree is controlled when atmosphere includes hydrogen or a dew point is controlled when atmosphere consists of inert gas, and an insulation coating forming process where a baking temperature and a heat treatment temperature are controlled.
    Type: Application
    Filed: January 16, 2020
    Publication date: April 21, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shinsuke TAKATANI, Yoshiyuki USHIGAMI, Shuichi NAKAMURA, Shohji NAGANO, Shunsuke OKUMURA
  • Publication number: 20220112573
    Abstract: A method for producing a grain oriented electrical steel sheet includes a decarburization annealing process where an oxidation degree PH2O/PH2 is controlled, an annealing separator applying process where a mass ratio of MgO and Al2O3 in an annealing separator is controlled, a final annealing process where an oxidation degree is controlled when atmosphere includes hydrogen or a dew point is controlled when atmosphere consists of inert gas, and an insulation coating forming process where a baking temperature and a heat treatment temperature are controlled.
    Type: Application
    Filed: January 16, 2020
    Publication date: April 14, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shinsuke TAKATANI, Yoshiyuki USHIGAMI, Shuichi NAKAMURA, Shunsuke OKUMURA, Shohji NAGANO
  • Publication number: 20220098694
    Abstract: A method for manufacturing a grain-oriented electrical steel sheet includes: a silicon steel material production process of producing a silicon steel material; a hot rolling process of obtaining a hot rolled sheet by subjecting the silicon steel material to hot rolling; a cold rolling process of obtaining a steel sheet of a final sheet thickness by subjecting the hot rolled sheet to a single cold rolling process or multiple cold rolling processes having intermediate annealing performed between the cold rolling processes; a decarburization annealing process of subjecting the steel sheet to decarburization annealing; and a final annealing process of applying an annealing separator containing alumina as a main component to the steel sheet and subjecting the steel sheet to final annealing. The silicon steel material contains: in terms of mass %, Si: 0.8 to 7.0%; C: 0.085% or less; acid-soluble Al: 0.010 to 0.065%; N: 0.004 to 0.012%; Mn: 1.00% or less; S: 0.050% or less; a total of 0.01 to 0.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 31, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Yoshiyuki USHIGAMI, Shuichi NAKAMURA, Hiroyasu FUJII, Norikazu FUJII
  • Publication number: 20220102035
    Abstract: A grain-oriented electrical steel sheet according to an aspect of the present invention includes an underlying steel sheet and a tension-insulation coating arranged on the surface of the underlying steel sheet, and a ten-point average roughness RzL in an L direction obtained when the tension-insulation coating is removed from the grain-oriented electrical steel sheet with an alkaline solution, and then the surface of the underlying steel sheet is measured in a rolling direction is 6.0 ?m or less.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 31, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shuichi NAKAMURA, Yoshiyuki USHIGAMI, Hiroyasu FUJII