Patents by Inventor Norihiko Nakamura

Norihiko 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: 10840759
    Abstract: In a rotary electric machine, a rotor including a rotor shaft and a rotor main body provided to the rotor shaft. A baffle plate, which is fixed at a plurality of positions to an end portion of the rotor main body in the axial direction, and is configured to define an airflow passage for cooling gas. Further, the baffle plate is segmented into a plurality of baffle segments which are arrayed in a circumferential direction of the rotor. The baffle segments each include an overlapping portion which overlaps an adjacent baffle segment in an axial direction of the rotor.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: November 17, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kohei Samata, Takeshi Nakamura, Ryutaro Kawaguchi, Norihiko Hana, Nobuaki Muroki
  • Publication number: 20200262183
    Abstract: A laminated steel sheet for a both-sided resin-coated container includes a steel sheet, a first polyester resin layer formed on a surface of the steel sheet serving as an inner side of a container after the container is formed, and a second polyester resin layer formed on a surface of the steel sheet serving as an outer side of the container after the container is formed. The first polyester resin layer includes a polyethylene terephthalate content of 95% by weight or more and has a degree of crystallinity in a range of 3% to 25%. The second polyester resin layer includes polyethylene terephthalate and polybutylene terephthalate and has a proportion of polybutylene terephthalate in a range of 40% by weight to 80% by weight.
    Type: Application
    Filed: October 21, 2016
    Publication date: August 20, 2020
    Applicant: JFE STEEL CORPORATION
    Inventors: Norihiko Nakamura, Yasuhide Oshima, Junichi Kitagawa, Hiroki Nakamaru, Yoichiro Yamanaka
  • Publication number: 20200172308
    Abstract: A resin-coated metal sheet for a container, the metal sheet including: a first resin coat layer provided on a first surface of the metal sheet; a second resin coat layer provided on a second surface of the metal sheet, wherein each of the first and the second resin coat layers is composed mainly of a polyester resin having a melting point of 230° C. to 254° C., and the first resin coat layer, in a state that the resin coat layers coat the metal sheet, is formed of a resin material having: an arithmetic average roughness (Ra) of 0.10 ?m to 1.0 ?m; a crystallization temperature of 110° C. to 160° C.; and a water contact angle of 55 degrees to 80 degrees in a state that the resin coat layers have been heated at 240° C. for 90 seconds after the resin coat layers coat the metal sheet.
    Type: Application
    Filed: May 24, 2018
    Publication date: June 4, 2020
    Applicant: JFE STEEL CORPORATION
    Inventors: Junichi KITAGAWA, Tomonari HIRAGUCHI, Norihiko NAKAMURA, Hayato SAITO, Yasuhide OSHIMA, Katsumi KOJIMA
  • Patent number: 10576712
    Abstract: A resin-coated metal sheet for containers that has excellent content releasability is provided. The resin-coated metal sheet includes a resin layer (A) and a resin layer (B). The resin layer (A) has a multilayer structure and is disposed on a side which, after the metal sheet is formed into a container, becomes the inner side of the container. The resin layer (B) is disposed on a side that becomes the outer side of the container. The resin layer (A) contains polyester as a main component and includes an uppermost resin layer (a1). A Raman band intensity ratio (I2968/I3085) on the surface of the resin layer (a1) is 0.6 to 0.9. The resin layer (B) includes polyester (I) composed mainly of polyethylene terephthalate and a polyester (II) composed mainly of polybutylene terephthalate. A Raman band intensity ratio on the surface of the resin layer (B) is 0.8 to 1.0.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: March 3, 2020
    Assignee: JFE STEEL CORPORATION
    Inventors: Yoichiro Yamanaka, Junichi Kitagawa, Hiroki Nakamaru, Norihiko Nakamura
  • Publication number: 20190348882
    Abstract: In a rotary electric machine, a rotor including a rotor shaft and a rotor main body provided to the rotor shaft. A baffle plate, which is fixed at a plurality of positions to an end portion of the rotor main body in the axial direction, and is configured to define an airflow passage for cooling gas. Further, the baffle plate is segmented into a plurality of baffle segments which are arrayed in a circumferential direction of the rotor. The baffle segments each include an overlapping portion which overlaps an adjacent baffle segment in an axial direction of the rotor.
    Type: Application
    Filed: October 5, 2017
    Publication date: November 14, 2019
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kohei SAMATA, Takeshi NAKAMURA, Ryutaro KAWAGUCHI, Norihiko HANA, Nobuaki MUROKI
  • Patent number: 10427381
    Abstract: A laminated metal sheet 1 includes a film 3 including a laminated resin layer including at least two layers with polyester as a main component formed on one face or both faces of a metal sheet 2. A polyester resin layer serving as a lower layer 3a in contact with the metal sheet 2 of the laminated resin layer contains 90 mol % or more of terephthalic acid as a polycarboxylic acid component and contains a polyol component containing ethylene glycol and 1,4-butanediol, in which the polyol component contains 30 to 50 mol % of ethylene glycol, 50 to 70 mol % of 1,4-butanediol, and 10 mol % or less of other polyol components. A polyester resin layer serving as an upper layer 3b of the laminated resin layer contains polyester containing terephthalic acid as a polycarboxylic acid component and 1,4-butanediol as a polyol component both of which are 90 mol % or more of the respective components, has a total thickness of 3 to 25 ?m, and has a ratio (I011/I100) of peak intensity (I011) observed in the range of 2?=15.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 1, 2019
    Assignee: JFE STEEL CORPORATION
    Inventors: Norihiko Nakamura, Junichi Kitagawa, Hiroki Nakamaru, Yoichiro Yamanaka
  • Publication number: 20190289235
    Abstract: The present technology relates to an imaging element, an imaging apparatus, and electronic equipment which are capable of accurately detecting phase difference. The imaging element includes a first light-receiving part that receives incident light entering through a first on-chip lens, a first phase detecting pixel which is placed between the first on-chip lens and the first light-receiving part and which has a shading film to limit an amount of light reaching the first light-receiving part, and a second phase detecting pixel which has a second light-receiving part to receive incident light entering through a second on-chip lens, with the second light-receiving part being divided into a plurality of light-receiving regions. The technique disclosed herein is applicable to imaging apparatuses having the autofocusing function.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 19, 2019
    Inventors: MASAHIKO NAKAMURA, NORIHIKO AKAMATSU
  • Patent number: 10399303
    Abstract: A resin-coated metal sheet for can lids includes a metal sheet coated with thermoplastic resin films on both surfaces and formed into a can lid. A thermoplastic resin film A based on polybutylene terephthalate (PBT) and polyethylene terephthalate (PET) is heat-fused on a surface of the metal sheet serving as an exterior surface of the can lid, and a thermoplastic resin film B based on polyethylene terephthalate (PET) is heat-fused on a surface of the metal sheet serving as an interior surface of the can lid. A composition ratio (wt %) of PBT/PET in the thermoplastic resin film A on the exterior surface is (PBT/PET)=(40/60) to (80/20), and the thermoplastic resin film B on the interior surface includes 95 mol % or more of PET.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: September 3, 2019
    Assignee: JFE STEEL CORPORATION
    Inventors: Norihiko Nakamura, Yoichiro Yamanaka, Junichi Kitagawa, Hiroki Nakamura, Hiroshi Kubo, Yusuke Nakagawa
  • Patent number: 10392709
    Abstract: A coated steel sheet includes a corrosion-resistant coating composed of at least one layer selected from the group consisting of a Ni layer, a Sn layer, an Fe—Ni alloy layer, an Fe—Sn alloy layer, and an Fe—Ni—Sn alloy layer disposed on at least one surface of a steel sheet, and an adhesive coating disposed on the corrosion-resistant coating, the adhesive coating containing Zr and further containing at least one metal element selected from the group consisting of Co, Fe, Ni, V, Cu, Mn, and Zn, in total, at a ratio by mass of 0.01 to 10 with respect to Zr. The coated steel sheet has excellent humid resin adhesion and corrosion resistance, in which streaky surface defects do not occur.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: August 27, 2019
    Assignee: JFE Steel Corporation
    Inventors: Yuka Miyamoto, Takeshi Suzuki, Hiroki Iwasa, Norihiko Nakamura, Masao Inose, Hisato Noro, Yoichi Tobiyama
  • Publication number: 20180065339
    Abstract: A resin-coated metal sheet for containers that has excellent content releasability is provided. The resin-coated metal sheet includes a resin layer (A) and a resin layer (B). The resin layer (A) has a multilayer structure and is disposed on a side which, after the metal sheet is formed into a container, becomes the inner side of the container. The resin layer (B) is disposed on a side that becomes the outer side of the container. The resin layer (A) contains polyester as a main component and includes an uppermost resin layer (a1). A Raman band intensity ratio (I2968/I3085) on the surface of the resin layer (a1) is 0.6 to 0.9. The resin layer (B) includes polyester (I) composed mainly of polyethylene terephthalate and a polyester (II) composed mainly of polybutylene terephthalate. A Raman band intensity ratio on the surface of the resin layer (B) is 0.8 to 1.0.
    Type: Application
    Filed: March 25, 2016
    Publication date: March 8, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Yoichiro YAMANAKA, Junichi KITAGAWA, Hiroki NAKAMARU, Norihiko NAKAMURA
  • Publication number: 20180029334
    Abstract: A lower layer in contact with a metal sheet of a laminated resin layer contains 90 mol % or more of terephthalic acid in the polycarboxylic acid component and 30 to 50 mol % of ethylene glycol, 50 to 70 mol % of 1,4-butanediol, and 10 mol % or less of other polyol components in the polyol component, and a main layer and an upper layer of the laminated resin layer include polyester containing 90 mol % or more of terephthalic acid in the polycarboxylic acid component and 90 mol % or more of 1,4-butanediol in the polyol component, has a total thickness of 3 to 25 ?m, and has a ratio (I011/I100) of peak intensity (I011) observed in a range of 2?=15.5 degrees to 17.0 degrees to peak intensity (I100) observed in a range of 2?=22.5 degrees to 24.0 degrees in X-ray analysis in a range of 0.2 to 5.0.
    Type: Application
    Filed: March 31, 2016
    Publication date: February 1, 2018
    Applicant: JFE STEEL CORPORATION
    Inventors: Norihiko NAKAMURA, Junichi KITAGAWA, Hiroki NAKAMARU, Yoichiro YAMANAKA
  • Publication number: 20170266924
    Abstract: A resin-coated metal sheet for can lids includes a metal sheet coated with thermoplastic resin films on both surfaces and formed into a can lid. A thermoplastic resin film A based on polybutylene terephthalate (PBT) and polyethylene terephthalate (PET) is heat-fused on a surface of the metal sheet serving as an exterior surface of the can lid, and a thermoplastic resin film B based on polyethylene terephthalate (PET) is heat-fused on a surface of the metal sheet serving as an interior surface of the can lid. A composition ratio (wt %) of PBT/PET in the thermoplastic resin film A on the exterior surface is (PBT/PET)=(40/60) to (80/20), and the thermoplastic resin film B on the interior surface includes 95 mol % or more of PET.
    Type: Application
    Filed: December 8, 2015
    Publication date: September 21, 2017
    Applicant: JFE STEEL CORPORATION
    Inventors: Norihiko NAKAMURA, Yoichiro YAMANAKA, Junichi KITAGAWA, Hiroki NAKAMURA, Hiroshi KUBO, Yusuke NAKAGAWA
  • Patent number: 9738978
    Abstract: A manufacturing method for steel sheets for containers produces steel sheets with excellent film adhesion qualities. This steel sheet for containers has, on a steel sheet, a chemical conversion coating with a metal Zr content of 1-100 mg/m2, a P content of 0.1-50 mg/m2, and an F content of no more than 0.1 mg/m2, upon which is formed a phenolic resin layer with a C content of 0.1-50 mg/m2. Moreover, the manufacturing method for steel sheets for containers is a method for obtaining the steel sheet for containers wherein the chemical conversion coating is formed on the steel sheet by subjecting the steel sheet to immersion in or electrolytic treatment with a treatment solution containing Zr ions, phosphoric acid ions, and F ions; and subsequently, the steel sheet upon which the chemical conversion coating has been formed is immersed in, or undergoes topical application of, an aqueous solution containing phenolic resin, then dried.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: August 22, 2017
    Assignee: JFE STEEL CORPORATION
    Inventors: Takeshi Suzuki, Norihiko Nakamura, Yuka Miyamoto, Yoichi Tobiyama
  • Patent number: 9637826
    Abstract: A steel sheet for containers that has excellent film adhesion qualities, and has; a chemical conversion coating formed by immersing or subjecting to electrolytic treatment a steel sheet in a solution containing Zr ions, F ions, with adhesion amount of 0.1 to 100 mg/m2 for metal Zr and no more than 0.1 mg/m2 for F; and a hydroxyl acid treatment layer formed on the chemical conversion coating, the layer having a C adhesion amount of 0.05 to 50 mg/m2.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: May 2, 2017
    Assignee: JFE STEEL CORPORATION
    Inventors: Takeshi Suzuki, Norihiko Nakamura, Yuka Miyamoto, Yoichi Tobiyama
  • Patent number: 9580816
    Abstract: Provided are an apparatus for continuous electrolytic treatment of a steel sheet that is suitable for producing a surface-treated steel sheet and a method for producing the surface-treated steel sheet using the apparatus for continuous electrolytic treatment of a steel sheet. The apparatus includes N pairs of tabular electrodes having a length L and being arranged to respectively face two surfaces of a steel sheet. Each electrode includes n sections arranged in the longitudinal direction of the electrode and disposed on the surface of the electrode facing the steel sheet surface. Each section is constituted by a conductive portion including an electrode portion having a length T1 and a nonconductive portion made by making an electrode portion having a length T2 nonconductive, where n×N?10, 0.96?T2/(T1+T2)?0.05, and 0.9?T1/L?0.1.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: February 28, 2017
    Assignee: JFE Steel Corporation
    Inventors: Yuka Miyamoto, Takeshi Suzuki, Hisato Noro, Masao Inose, Hiroki Iwasa, Norihiko Nakamura, Yoichi Tobiyama
  • Patent number: 9528187
    Abstract: A steel sheet for containers that has excellent film adhesion qualities, and has a Zr compound film formed thereupon by immersion in or electrolytic treatment with a solution containing Zr ions, F ions, and hydroxylic acid, the Zr compound film being applied in an amount such that the metal Zr content is 0.1-100 mg/m2 and the F content is no more than 0.1 mg/m2.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: December 27, 2016
    Assignee: JFE STEEL CORPORATION
    Inventors: Takeshi Suzuki, Norihiko Nakamura, Yuka Miyamoto, Yoichi Tobiyama
  • Patent number: 9506400
    Abstract: A hydrogen generator that can be operated in a broad temperature range is disclosed, which comprises a first ammonia conversion part having a hydrogen-generating material which reacts with ammonia in a first temperature range so as to generate hydrogen; a second ammonia conversion part having an ammonia-decomposing catalyst which decomposes ammonia into hydrogen and nitrogen in a second temperature range; an ammonia supply part which supplies ammonia; and an ammonia supply passage which supplies ammonia from said ammonia supply part to the first and second ammonia conversion parts. The first temperature range includes temperatures lower than the second temperature range, and hydrogen is generated from ammonia by selectively using the first and second ammonia conversion parts. An ammonia-burning internal combustion engine and a fuel cell having the hydrogen generator are also disclosed.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: November 29, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kyoichi Tange, Norihiko Nakamura, Haruyuki Nakanishi, Hidekazu Arikawa
  • Publication number: 20160289841
    Abstract: A manufacturing method for steel sheets for containers produces steel sheets with excellent film adhesion qualities. This steel sheet for containers has, on a steel sheet, a chemical conversion coating with a metal Zr content of 1-100 mg/m2, a P content of 0.1-50 mg/m2, and an F content of no more than 0.1 mg/m2, upon which is formed a phenolic resin layer with a C content of 0.1-50 mg/m2. Moreover, the manufacturing method for steel sheets for containers is a method for obtaining the steel sheet for containers wherein the chemical conversion coating is formed on the steel sheet by subjecting the steel sheet to immersion in or electrolytic treatment with a treatment solution containing Zr ions, phosphoric acid ions, and F ions; and subsequently, the steel sheet upon which the chemical conversion coating has been formed is immersed in, or undergoes topical application of, an aqueous solution containing phenolic resin, then dried.
    Type: Application
    Filed: June 14, 2016
    Publication date: October 6, 2016
    Inventors: Takeshi SUZUKI, Norihiko NAKAMURA, Yuka MIYAMOTO, Yoichi TOBIYAMA
  • Patent number: 9441310
    Abstract: A method of manufacturing a tin-plated steel sheet includes forming an Sn-containing plating layer on at least one surface of a steel sheet so that the mass per unit area of Sn is 0.05 to 20 g/m2; forming a first chemical conversion coating by immersing the steel sheet in a first chemical conversion solution containing tetravalent tin ions and phosphate ions or cathodically electrolyzing the steel sheet in the first chemical conversion solution; forming a second chemical conversion coating after forming the first chemical conversion coating without drying the steel sheet by immersing the steel sheet in a second chemical conversion solution containing 5 to 200 g/L of aluminum phosphate monobasic and having a pH of 1.5 to 2.4 or cathodically electrolyzing the steel sheet in the second chemical conversion solution; and drying the steel sheet.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: September 13, 2016
    Assignee: JFE Steel Corporation
    Inventors: Takeshi Suzuki, Norihiko Nakamura, Hiroki Iwasa
  • Patent number: 9435034
    Abstract: A manufacturing method for steel sheets for containers produces steel sheets with excellent film adhesion qualities. In a method for manufacturing steel sheets upon which is formed a chemical conversion coating having a metal Zr content of 1-100 mg/m2 and F content of no more than 0.1 mg/m2, the chemical conversion coating is formed on the steel sheet by subjecting the steel sheet to immersion in or electrolytic treatment with a treatment solution containing Zr ions and F ions, and subsequently, the steel sheet upon which the chemical conversion coating has been formed is washed with water having a temperature of at least 80° C. and dried.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: September 6, 2016
    Assignee: JFE STEEL CORPORATION
    Inventors: Takeshi Suzuki, Norihiko Nakamura, Yuka Miyamoto, Yoichi Tobiyama