Patents by Inventor Katsunari Norita

Katsunari Norita 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: 10790480
    Abstract: A lithium-ion secondary-battery case that allows bonding without weld spatter and has high strength against external force acting on the battery case, and a method for manufacturing the lithium-ion secondary-battery case are provided. Specifically, an austenitic stainless steel foil is used for a cup component (2), and a two-phase stainless steel having an austenite transformation start temperature AC1 in a temperature increase process at 650° C. to 950° C. and an austenite and ferrite two-phase temperature range of 880° C. and higher, is used for a cover component (3), and the diffusion bonding is proceeded while accompanied by grain boundary movement upon transformation of the two-phase steel from a ferrite phase into an austenite phase within a heating temperature range of 880° C. to 1080° C.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: September 29, 2020
    Assignee: NISSHIN STEEL CO., LTD.
    Inventors: Katsunari Norita, Norimasa Miura, Jun Kurobe
  • Patent number: 10724242
    Abstract: The present invention relates to a metal roofing material 1 that is arranged on an eave-side metal roofing material in an eave-ridge direction 6 of a roof so as to overlap the metal roofing material and the eave-side metal roofing material. The metal roofing material includes a front substrate 2 made of a metal sheet and including a body portion 20 formed in a box shape; a back substrate 3 arranged on the back side of the front substrate 2 so as to cover an opening of the body portion 20; a core material 4 filled between the body portion 20 and the back substrate 3; and at least one plate reinforcing member 5 that is embedded in the core material 4 at a position closer to the back substrate 3 than a top plate of the body portion 20 or that is disposed in contact with the outer surface of the back substrate 3.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: July 28, 2020
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Kenichi Okubo, Motonori Kurotaki, Shuichi Sugita, Keiji Izumi, Tomoyuki Nagatsu, Yuugo Oota, Katsunari Norita, Keita Noguchi, Norimasa Miura
  • Publication number: 20200199875
    Abstract: A metallic roof material 1 according to the present invention comprises: a front substrate 10 made of a metal sheet, the front substrate 10 comprising a body portion 100 formed into a box shape; a back substrate 11 arranged on a back side of the front substrate 10 so as to cover an opening of the body portion 100; and a core material 12 filled between the body portion 100 and the back substrate 11, the metallic roof material 1 being tightened to a roof base by driving at least one tightening member into the body portion 100, wherein a top plate portion 101 of the body portion 100 comprises at least one protruding rib 3 comprised of at least one protrusion 30 disposed along a side of a polygon or along a circle, and wherein the metallic roof material 1 is configured such that the tightening member is driven into an inner region 3a of the protruding rib 3.
    Type: Application
    Filed: May 23, 2017
    Publication date: June 25, 2020
    Inventors: Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita
  • Patent number: 10597874
    Abstract: A body portion 100 of a front substrate 10 includes first side surfaces 105 and second side surfaces 106, each of the second side surfaces 106 being arranged at a position protruding toward the outer side along a width direction 100a than the first side surface 105. Each of the first side surfaces 105 includes a side flange 105a. A protruding width of the side flange 105a from the first side surface 105 is equal to or less than a protruding width of the second side surface 106 from the first side surface 105. A metal roofing member 1 is arranged on a roof base while abutting at least the second side surface 106 against a second side surface of other metal roofing member.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: March 24, 2020
    Assignee: Nippon Steel Nisshin Co., Ltd.
    Inventors: Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita, Kenichi Okubo, Motonori Kurotaki
  • Patent number: 10400455
    Abstract: A metal roofing member 1 is disposed side by side with another metal roofing member on a roof base. The metal roofing member 1 has a box-shaped front substrate 10 made of a metal sheet, a rear substrate 11 disposed on the rear side of the front substrate 10, so as to cover an opening of the front substrate 10, and a core material 12 made from a foam resin and filled in between the front substrate 10 and the rear substrate 11. The front substrate 10 results from forming the metal sheet into a box shape. The front substrate 10 has a side wall portion that is continuous in the circumferential direction and is formed by performing drawing or bulging processing on the metal sheet. The front substrate 10 has a height of 4 mm to 8 mm.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: September 3, 2019
    Assignee: NIPPON STEEL NISSHIN CO., LTD.
    Inventors: Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita, Kenichi Okubo
  • Publication number: 20190264448
    Abstract: A body portion 100 of a front substrate 10 includes first side surfaces 105 and second side surfaces 106, each of the second side surfaces 106 being arranged at a position protruding toward the outer side along a width direction 100a than the first side surface 105. Each of the first side surfaces 105 includes a side flange 105a. A protruding width of the side flange 105a from the first side surface 105 is equal to or less than a protruding width of the second side surface 106 from the first side surface 105. A metal roofing member 1 is arranged on a roof base while abutting at least the second side surface 106 against a second side surface of other metal roofing member.
    Type: Application
    Filed: March 24, 2016
    Publication date: August 29, 2019
    Inventors: Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita, Kenichi Okubo, Motonori Kurotaki
  • Publication number: 20190119917
    Abstract: The present invention relates to a metal roofing material 1 that is arranged on an eave-side metal roofing material in an eave-ridge direction 6 of a roof so as to overlap the metal roofing material and the eave-side metal roofing material. The metal roofing material includes a front substrate 2 made of a metal sheet and including a body portion 20 formed in a box shape; a back substrate 3 arranged on the back side of the front substrate 2 so as to cover an opening of the body portion 20; a core material 4 filled between the body portion 20 and the back substrate 3; and at least one plate reinforcing member 5 that is embedded in the core material 4 at a position closer to the back substrate 3 than a top plate of the body portion 20 or that is disposed in contact with the outer surface of the back substrate 3.
    Type: Application
    Filed: July 11, 2016
    Publication date: April 25, 2019
    Inventors: Kenichi Okubo, Motonori Kurotaki, Shuichi Sugita, Keiji Izumi, Tomoyuki Nagatsu, Yuugo Oota, Katsunari Norita, Keita Noguchi, Norimasa Miura
  • Publication number: 20190087527
    Abstract: The present invention provides a method for testing strength of a metal roofing material, the metal roofing material comprising: a front substrate made of a metal sheet; a back substrate arranged on the back side of the front substrate; and a core material filled between the front substrate and the back substrate, the method comprising the steps of: tightening the metal roofing material 1 to a base 50; and applying a load 52L for uplifting an end portion 1E of the metal roofing material 1 tightened to the base 50 to the end portion 1E and measuring an uplift amount of the end portion 1E corresponding to the load 52L.
    Type: Application
    Filed: March 6, 2017
    Publication date: March 21, 2019
    Inventors: Katsunari Norita, Keita Noguchi, Norimasa Miura
  • Patent number: 10233645
    Abstract: A metal roofing member 1 has a front substrate 10, a rear substrate 11 and a core material 12. The front substrate 10 is made of a metal sheet. In the front substrate 10, a box-shaped body portion 100 and a flange portion 110 extending from the body portion 100 are provided. The flange portion 110 is formed by folding back, over the rear side of the front substrate 10, of a metal sheet 111 extending outwards of the body portion 100 in a direction 100b perpendicular to a height direction 100a of the body portion 100, from a lower edge of the body portion 100, in such a manner that the metal sheet 111 wraps around the rear substrate 11. The metal roofing member 1 is disposed on a roof base, with the flange portion 110 butting against a flange portion 110 of another metal roofing member.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: March 19, 2019
    Assignee: NISSHIN STEEL CO., LTD.
    Inventors: Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita, Kenichi Okubo
  • Publication number: 20180080228
    Abstract: A metal roofing member 1 has a front substrate 10, a rear substrate 11 and a core material 12. The front substrate 10 is made of a metal sheet. In the front substrate 10, a box-shaped body portion 100 and a flange portion 110 extending from the body portion 100 are provided. The flange portion 110 is formed by folding back, over the rear side of the front substrate 10, of a metal sheet 111 extending outwards of the body portion 100 in a direction 100b perpendicular to a height direction 100a of the body portion 100, from a lower edge of the body portion 100, in such a manner that the metal sheet 111 wraps around the rear substrate 11. The metal roofing member 1 is disposed on a roof base, with the flange portion 110 butting against a flange portion 110 of another metal roofing member.
    Type: Application
    Filed: July 8, 2015
    Publication date: March 22, 2018
    Applicant: NISSHIN STEEL CO., LTD.
    Inventors: Keiji IZUMI, Yuugo OOTA, Tomoyuki NAGATSU, Norimasa MIURA, Katsunari NORITA, Kenichi OKUBO
  • Publication number: 20180066432
    Abstract: A metal roofing member 1 is disposed side by side with another metal roofing member on a roof base. The metal roofing member 1 has a box-shaped front substrate 10 made of a metal sheet, a rear substrate 11 disposed on the rear side of the front substrate 10, so as to cover an opening of the front substrate 10, and a core material 12 made from a foam resin and filled in between the front substrate 10 and the rear substrate 11. The front substrate 10 results from forming the metal sheet into a box shape. The front substrate 10 has a side wall portion that is continuous in the circumferential direction and is formed by performing drawing or bulging processing on the metal sheet. The front substrate 10 has a height of 4 mm to 8 mm.
    Type: Application
    Filed: July 8, 2015
    Publication date: March 8, 2018
    Applicant: NISSHIN STEEL CO., LTD.
    Inventors: Keiji IZUMI, Yuugo OOTA, Tomoyuki NAGATSU, Norimasa MIURA, Katsunari NORITA, Kenichi OKUBO
  • Patent number: 9815103
    Abstract: An austenitic stainless steel foil 2 with a thickness equal to or less than 300 ?m is disposed to face a punch 12, and the stainless steel foil 2 is subjected to drawing in a state in which an annular region 2a of the stainless steel foil 2 that is in contact with a shoulder portion 12d of the punch 12 is set to a temperature up to 30° C. and an external region 2b outside the annular region 2a is set to a temperature of from 40° C. to 100° C.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: November 14, 2017
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Katsunari Norita, Norimasa Miura
  • Patent number: 9802238
    Abstract: An austenitic stainless steel foil 2 with a thickness equal to or less than 300 ?m is disposed to face a punch 12, and the stainless steel foil 2 is subjected to drawing in a state in which an annular region 2a of the stainless steel foil 2 that is in contact with a shoulder portion 12d of the punch 12 is set to a temperature up to 30° C. and an external region 2b outside the annular region 2a is set to a temperature of from 40° C. to 100° C.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: October 31, 2017
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Katsunari Norita, Norimasa Miura
  • Publication number: 20170028456
    Abstract: An austenitic stainless steel foil 2 with a thickness equal to or less than 300 ?m is disposed to face a punch 12, and the stainless steel foil 2 is subjected to drawing in a state in which an annular region 2a of the stainless steel foil 2 that is in contact with a shoulder portion 12d of the punch 12 is set to a temperature up to 30° C. and an external region 2b outside the annular region 2a is set to a temperature of from 40° C. to 100° C.
    Type: Application
    Filed: October 12, 2016
    Publication date: February 2, 2017
    Applicant: NISSHIN STEEL CO., LTD.
    Inventors: Katsunari NORITA, Norimasa MIURA
  • Patent number: 9257682
    Abstract: In method for manufacturing an external cladding for a laminate battery according to the present invention, austenitic stainless steel foil having a thermoplastic resin layer on one of a front surface and a rear surface and a lubricating film on the other surface is used as a material, the stainless steel foil is disposed such that the surface provided with the thermoplastic resin layer opposes a punch, and drawing is implemented on the stainless steel foil without using lubricating oil in a condition where an annular region of the stainless steel foil, which is contacted by a shoulder portion of the punch, is set at a temperature of 20° C. or lower, and an exterior region on an exterior of the annular region is set at a temperature between 40° C. and 100° C.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: February 9, 2016
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Katsunari Norita, Norimasa Miura, Setsuko Koura
  • Publication number: 20150231683
    Abstract: An austenitic stainless steel foil 2 with a thickness equal to or less than 300 ?m is disposed to face a punch 12, and the stainless steel foil 2 is subjected to drawing in a state in which an annular region 2a of the stainless steel foil 2 that is in contact with a shoulder portion 12d of the punch 12 is set to a temperature up to 30° C. and an external region 2b outside the annular region 2a is set to a temperature of from 40° C. to 100° C.
    Type: Application
    Filed: September 26, 2013
    Publication date: August 20, 2015
    Applicant: NISSHIN STEEL CO., LTD.
    Inventors: Katsunari Norita, Norimasa Miura
  • Publication number: 20140370371
    Abstract: Provided is an external packaging material for a laminated battery, which is one of two external packaging materials constituting a battery case accommodating a battery element, and each configured by a stainless steel sheet provided with a resin layer, the battery case being formed by fusing together the resin layers in a state in which tabs connected to the battery element are disposed between the two external packaging materials, wherein a stepped portion conforming to the cross-sectional shape of each of the tabs at a position where the tab is inserted between the two external packaging materials is formed in advance before the tab is inserted.
    Type: Application
    Filed: August 27, 2014
    Publication date: December 18, 2014
    Inventors: Kazunori OZAWA, Yasunori OZAWA, Yusuke HONMA, Norihiro KON, Yoshie YOSHIDA, Norimasa MIURA, Katsunari NORITA, Setsuko KOURA
  • Publication number: 20140013590
    Abstract: In method for manufacturing an external cladding for a laminate battery according to the present invention, austenitic stainless steel foil having a thermoplastic resin layer on one of a front surface and a rear surface and a lubricating film on the other surface is used as a material, the stainless steel foil is disposed such that the surface provided with the thermoplastic resin layer opposes a punch, and drawing is implemented on the stainless steel foil without using lubricating oil in a condition where an annular region of the stainless steel foil, which is contacted by a shoulder portion of the punch, is set at a temperature of 20° C. or lower, and an exterior region on an exterior of the annular region is set at a temperature between 40° C. and 100° C.
    Type: Application
    Filed: March 16, 2012
    Publication date: January 16, 2014
    Inventors: Katsunari Norita, Norimasa Miura, Setsuko Koura