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).
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Publication number: 20240133208Abstract: A locking mechanism includes a first member that is provided on one side to lock and is rotated about a rotating shaft, a second member that is provided on the other side to lock and comes into contact with the first member to rotate the first member, a rotation applying member that further applies a rotational force to the first member rotated by the second member, a restriction portion that restricts movement of the first member to be rotated in a direction in which the first member is released from a locked state, and an elastic portion that allows the first member and the restriction portion to be in elastic contact with each other and allows the first member and the restriction portion to start to be in elastic contact with each other before the first member rotated by the second member is further rotated by the rotation applying member in a release direction which is the direction in which the first member is released from the locked state.Type: ApplicationFiled: April 18, 2023Publication date: April 25, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Keigo Shinoto, Shuichi Nishide, Michiaki Yoshida, Akira Ueshima, Akira Tanaka, Takahiro Iizuka, Wataru Nakamura
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Publication number: 20240126202Abstract: An apparatus includes a housing, a cover that is opened and closed on the housing, a detection part that detects opening and closing of the cover using ON and OFF, a rotating part that is rotatably supported and turns on and off the detection part, a pushing portion that comes into contact with the rotating part to rotate the rotating part in a case where the cover is closed, and a rotation applying part that applies a rotational force to the rotating part rotated by the pushing portion in a direction in which the detection part is turned on in a case where the cover is closed.Type: ApplicationFiled: April 13, 2023Publication date: April 18, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Akira TANAKA, Keigo Shinoto, Shuichi Nishide, Michiaki Yoshida, Akira Ueshima, Takahiro IIzuka, Wataru Nakamura
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Patent number: 11946143Abstract: 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: GrantFiled: September 4, 2019Date of Patent: April 2, 2024Assignee: Arisawa Mfg. Co., Ltd.Inventors: Kenji Nakamura, Yoshihiko Konno, Hiroyuki Matsuyama, Makoto Tai, Shuichi Fujita
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Patent number: 11939641Abstract: 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: GrantFiled: July 31, 2019Date of Patent: March 26, 2024Assignee: NIPPON STEEL CORPORATIONInventors: Shuichi Nakamura, Yusuke Kawamura, Shota Morimoto
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Patent number: 11920398Abstract: 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: GrantFiled: May 18, 2022Date of Patent: March 5, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Akira Ueshima, Shuichi Nishide, Michiaki Yoshida, Keigo Shinoto, Wataru Nakamura
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Patent number: 11884988Abstract: 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: GrantFiled: July 13, 2018Date of Patent: January 30, 2024Assignee: NIPPON STEEL CORPORATIONInventors: Shuichi Nakamura, Seiki Takebayashi, Yoshiyuki Ushigami, Shinsuke Takatani, Hiroyasu Fujii
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Patent number: 11851726Abstract: 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: GrantFiled: July 31, 2019Date of Patent: December 26, 2023Assignee: NIPPON STEEL CORPORATIONInventors: Shuichi Nakamura, Yusuke Kawamura, Shingo Okada, Tomoaki Ito, Shinya Yano
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Publication number: 20230386727Abstract: 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: ApplicationFiled: October 26, 2021Publication date: November 30, 2023Applicant: NIPPON STEEL CORPORATIONInventor: Shuichi NAKAMURA
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Publication number: 20230309214Abstract: 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: ApplicationFiled: March 8, 2023Publication date: September 28, 2023Inventor: SHUICHI NAKAMURA
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Patent number: 11753691Abstract: 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: GrantFiled: July 31, 2019Date of Patent: September 12, 2023Assignee: NIPPON STEEL CORPORATIONInventors: Shuichi Nakamura, Yusuke Kawamura
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Publication number: 20230084111Abstract: 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: ApplicationFiled: February 5, 2020Publication date: March 16, 2023Applicant: NIPPON STEEL CORPORATIONInventors: Shuichi NAKAMURA, Yusuke KAWAMURA
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Patent number: 11605988Abstract: 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: GrantFiled: January 18, 2018Date of Patent: March 14, 2023Assignee: MITSUI HIGH-TEC, INC.Inventors: Shuichi Nakamura, Daisuke Momota
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Publication number: 20230071853Abstract: 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: ApplicationFiled: February 5, 2020Publication date: March 9, 2023Applicant: NIPPON STEEL CORPORATIONInventors: Shuichi NAKAMURA, Yusuke KAWAMURA
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Patent number: 11513450Abstract: 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 tType: GrantFiled: February 4, 2022Date of Patent: November 29, 2022Assignee: Canon Kabushiki KaishaInventor: Shuichi Nakamura
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Publication number: 20220372589Abstract: 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: ApplicationFiled: July 31, 2019Publication date: November 24, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Shuichi NAKAMURA, Yusuke KAWAMURA
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Patent number: 11450460Abstract: 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: GrantFiled: July 13, 2018Date of Patent: September 20, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Seiki Takebayashi, Shuichi Nakamura, Hiroyasu Fujii, Yoshiyuki Ushigami, Shinsuke Takatani
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Publication number: 20220269191Abstract: 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 tType: ApplicationFiled: February 4, 2022Publication date: August 25, 2022Inventor: Shuichi Nakamura
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Patent number: 11346005Abstract: 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: GrantFiled: July 13, 2018Date of Patent: May 31, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Seiki Takebayashi, Shuichi Nakamura, Hiroyasu Fujii, Yoshiyuki Ushigami, Shinsuke Takatani
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Publication number: 20220119905Abstract: 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: ApplicationFiled: January 16, 2020Publication date: April 21, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Shinsuke TAKATANI, Yoshiyuki USHIGAMI, Shuichi NAKAMURA, Shohji NAGANO, Shunsuke OKUMURA
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Publication number: 20220112573Abstract: 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: ApplicationFiled: January 16, 2020Publication date: April 14, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Shinsuke TAKATANI, Yoshiyuki USHIGAMI, Shuichi NAKAMURA, Shunsuke OKUMURA, Shohji NAGANO