Patents by Inventor Junichi Hamada

Junichi Hamada 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).

  • Publication number: 20220275492
    Abstract: The present invention has as its technical problem to prevent cracking when producing a steel sheet by ferritic stainless steel sheet and provide a ferritic stainless steel sheet excellent in toughness and a part using the same. To solve this technical problem, the present invention provides steel comprised of, by mass %, C: 0.001 to 0.030%, Si: 0.01 to 1.00%, Mn: 0.01 to 1.00%, P: 0.010 to 0.050%, S: 0.0002 to 0.0100%, Cr: 10.0 to 20.0%, N: 0.001 to 0.030%, Nb: 0.10 to 0.40%, B: 0.0002 to 0.0030%, Al: 0.005 to 0.100%, and a balance of Fe and unavoidable impurities in which the amount of solute Nb being less than or equal to a smaller value of 0.20 and (Nb content-0.08) mass %.
    Type: Application
    Filed: February 17, 2022
    Publication date: September 1, 2022
    Applicant: NIPPON STEEL Stainless Steel Corporation
    Inventors: Junichi Hamada, Atsutaka Hayashi
  • Patent number: 11427881
    Abstract: A ferritic stainless steel sheet and a steel pipe as a material suitable for a heat-resistant component that is required to have especially excellent formability are provided. The ferritic stainless steel sheet contains 10 to 20 mass % of Cr and a predetermined amount of C, Si, Mn, P, S, Al and one or both of Ti and Nb, a {111}-orientation intensity being 5 or more and {411}-orientation intensity being less than 3 at a portion in the vicinity of a sheet-thickness central portion of the ferritic stainless steel sheet. Further, with similar composition and by setting {111}<110>-orientation intensity at 4.0 or more and {311}<136>-orientation intensity at less than 3.0, a relationship rm??1.0t+3.0 (t(mm): sheet thickness, rm: average r-value) is satisfied, thereby providing a ferritic stainless steel sheet and a steel pipe with excellent formability.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: August 30, 2022
    Assignee: NIPPON STEEL STAINLESS STEEL CORPORATION
    Inventors: Junichi Hamada, Kou Nishimura, Jun Araki, Nozomu Fukuda, Toshio Tanoue
  • Patent number: 11398024
    Abstract: An information processing apparatus according to the invention includes: an acquisition unit that acquires a two-dimensional image of a person and a three-dimensional registered image of a registrant; and a generation unit that, when superimposing the two-dimensional image and the three-dimensional registered image to generate a composite image, performs an editing process for changing an appearance of the person or the registrant for at least one of the two-dimensional image, the three-dimensional registered image, and the composite image.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: July 26, 2022
    Assignee: NEC CORPORATION
    Inventors: Junichi Fukuda, Ryosuke Nakamura, Yasushi Hamada
  • Patent number: 11323692
    Abstract: In an asset management system, a wearable camera mountable by a police officer and a server that manages information regarding the wearable camera are connected to enable a communication. The wearable camera repeatedly diagnoses whether or not the wearable camera has failure at a predetermined timing, and notifies the server of a diagnosis result. The server is connected to a database, accumulates the diagnosis result of the wearable camera in the database every time the server receives the diagnosis result of the wearable camera, and displays the diagnosis result of the wearable camera on an external terminal.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: May 3, 2022
    Assignee: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Minoru Hagio, Junichi Hamada, Masahiro Nomoto, Shinichi Arai
  • Patent number: 11286547
    Abstract: This ferritic stainless steel includes: in terms of % by mass, C: 0.001% to 0.100%; Si: 0.01% to 5.00%; Mn: 0.01% to 2.00%; P: 0.050% or less; S: 0.0100% or less; Cr: 9.0% to 25.0%; Ti: 0.001% to 1.00%; Al: 0.001% to 5.000%; and N: 0.001% to 0.050%, with a balance being Fe and impurities, wherein in a region from a steel surface to a depth of 5 nm, and not exceeding a thickness of a passive film, a total amount of Al and Si is 1.0 atomic % or more, an amount of Cr is 10.0 atomic % or more, and an amount of Fe is 85.0 atomic % or less, in terms of cation fraction.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: March 29, 2022
    Assignee: NIPPON STEEL STAINLESS STEEL CORPORATION
    Inventors: Masatoshi Abe, Junichi Hamada, Nobuhiko Hiraide, Atsutaka Hayashi
  • Patent number: 11258928
    Abstract: A wearable camera includes a capturing portion configured to capture a subject around a user, a control portion configured to control capturing processing of the capturing portion and charging processing of a battery, an upper housing that is mountable to the user and accommodates the capturing portion and the control portion, and a lower housing that accommodates the battery for supplying power to the upper housing, is detachably attached to the upper housing, and has a contact terminal which is exposed to an outside and is used for charging the battery, wherein the lower housing is configured to be connected to a charging stand via the contact terminal such that the battery is charged in a state where the lower housing is attached to the upper housing.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: February 22, 2022
    Assignee: Panasonic I-PRO Sensing Solutions Co., Ltd.
    Inventors: Junichi Hamada, Shinichi Murata, Yu Jojima, Noboru Takada, Masashi Nakamura, Koji Taniguchi
  • Patent number: 11242578
    Abstract: This ferritic stainless steel sheet contains, by mass %: C: 0.001% to 0.020%; Si: 0.01% to 4.00%; Mn: 0.01% to 3.00%; P: 0.010% to 0.040%; S: 0.0001% to 0.0100%; Cr: 10.0% to 15.0%; N: 0.001% to 0.020%; Al: 0.50% to 10.0%; and either one or both of Ti: 0.05% to 0.40% and Nb: 0.05% to 0.40%, with the balance being Fe and unavoidable impurities, in which Cr/(Si+Al) is 10.0 or less, and a specific gravity is 7.6 g/cm3 or less.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: February 8, 2022
    Assignee: NIPPON STEEL STAINLESS STEEL CORPORATION
    Inventors: Junichi Hamada, Masatoshi Abe, Atsutaka Hayashi
  • Patent number: 11215299
    Abstract: This ferritic stainless steel pipe contains, by mass %: C: 0.001% to 0.100%; Si: 0.01% to 2.00%; Mn: 0.01% to 2.00%; P: 0.001% to 0.05%; S: 0.0001% to 0.005%; Cr: 10.5% to 20.0%; Sn: 0.001% to 0.600%; Ti: 0.001% to 1.000%; Al: 0.001% to 0.100%; and N: 0.001% to 0.02%, with a balance being Fe and unavoidable impurities, the ferritic stainless steel pipe includes a pipe-end-thickened portion at a pipe end portion, and a gap distance d (?m) formed at the pipe end portion satisfies a relationship of d?Cr2/(1000Sn) (in the expression, Cr and Sn represent amounts (mass %) of respective elements).
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: January 4, 2022
    Assignee: NIPPON STEEL STAINLESS STEEL CORPORATION
    Inventors: Masatoshi Abe, Junichi Hamada, Nobuhiko Hiraide
  • Publication number: 20210230725
    Abstract: Austenitic stainless steel sheet excellent in high-temperature fatigue characteristics able to be applied to exhaust manifolds and turbo exhaust pipes of automobiles and other parts subjected to vibration at 400° C. to 600° C. temperatures is provided, specifically, austenitic stainless steel sheet excellent in high-temperature fatigue characteristics comprising, by mass %, C: 0.002 to 0.3%, Si: 1.0 to 4.0%, Mn: 0.05 to 3.0%, P: 0.01 to 0.05%, S: 0.0001 to 0.01%, Ni: 5 to 15%, Cr: 15 to 30%, Mo: 0.5 to 4.0%, and N: 0.01 to 0.3%, having a balance of Fe and unavoidable impurities, satisfying Si+Mo?1.8%, and satisfying A+B>2.5 mm/mm2 prescribing the grain boundary lengths.
    Type: Application
    Filed: October 30, 2019
    Publication date: July 29, 2021
    Applicant: NIPPON STEEL STAINLESS STEEL CORPORATION
    Inventors: Chikako YOSHII, Junichi HAMADA
  • Publication number: 20210140569
    Abstract: This ferritic stainless steel pipe contains, by mass %: C: 0.001% to 0.100%; Si: 0.01% to 2.00%; Mn: 0.01% to 2.00%; P: 0.001% to 0.05%; S: 0.0001% to 0.005%; Cr: 10.5% to 20.0%; Sn: 0.001% to 0.600%; Ti: 0.001% to 1.000%; Al: 0.001% to 0.100%; and N: 0.001% to 0.02%, with a balance being Fe and unavoidable impurities, the ferritic stainless steel pipe includes a pipe-end-thickened portion at a pipe end portion, and a gap distance d (?un) formed at the pipe end portion satisfies a relationship of d?Cr2/(1000 Sn) (in the expression, Cr and Sn represent amounts (mass %) of respective elements).
    Type: Application
    Filed: March 27, 2018
    Publication date: May 13, 2021
    Applicant: NIPPON STEEL Stainless Steel Corporation
    Inventors: Masatoshi ABE, Junichi HAMADA, Nobuhiko HIRAIDE
  • Publication number: 20210108283
    Abstract: A ferritic stainless steel sheet and a steel pipe as a material suitable for a heat-resistant component that is required to have especially excellent formability are provided. The ferritic stainless steel sheet contains 10 to 20 mass % of Cr and a predetermined amount of C, Si, Mn, P, S, Al and one or both of Ti and Nb, a {111}-orientation intensity being 5 or more and {411}-orientation intensity being less than 3 at a portion in the vicinity of a sheet-thickness central portion of the ferritic stainless steel sheet. Further, with similar composition and by setting {111}<110>-orientation intensity at 4.0 or more and {311}<136>-orientation intensity at less than 3.0, a relationship rm??1.0t+3.0 (t(mm): sheet thickness, rm: average r-value) is satisfied, thereby providing a ferritic stainless steel sheet and a steel pipe with excellent formability.
    Type: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Applicant: NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION
    Inventors: Junichi HAMADA, Kou NISHIMURA, Jun ARAKI, Nozomu FUKUDA, Toshio TANOUE
  • Publication number: 20210040590
    Abstract: This ferritic stainless steel includes: in terms of % by mass, C: 0.001% to 0.100%; Si: 0.01% to 5.00%; Mn: 0.01% to 2.00%; P: 0.050% or less; S: 0.0100% or less; Cr: 9.0% to 25.0%; Ti: 0.001% to 1.00%; Al: 0.001% to 5.000%; and N: 0.001% to 0.050%, with a balance being Fe and impurities, wherein in a region from a steel surface to a depth of 5 nm, and not exceeding a thickness of a passive film, a total amount of Al and Si is 1.0 atomic % or more, an amount of Cr is 10.0 atomic % or more, and an amount of Fe is 85.0 atomic % or less, in terms of cation fraction.
    Type: Application
    Filed: March 19, 2019
    Publication date: February 11, 2021
    Applicant: NIPPON STEEL Stainless Steel Corporation
    Inventors: Masatoshi ABE, Junichi HAMADA, Nobuhiko HIRAIDE, Atsutaka HAYASHI
  • Publication number: 20210032718
    Abstract: A ferritic stainless steel sheet is provided that has a chemical composition consisting of, in mass %, C: 0.001 to 0.020%, Si: 0.02 to 1.50%, Mn: 0.02 to 1.50%, P: 0.01 to 0.05%, S: 0.0001 to 0.01%, Cr: 10.0 to 25.0%, Ti: 0.01 to 0.30%, N: 0.001 to 0.030%, and optional elements, with the balance being Fe and unavoidable impurities, wherein: a grain size number is 6 or more; the ferritic stainless steel sheet satisfies the formulas [A+B?12.0/t], [X+Y?12.0/(t?0.3)] and [(X+Y)?(A+B)?5.0] with respect to crystal orientation intensities of a ferrite phase obtained by X-ray diffraction; and the sheet thickness is 1.0 mm or more.
    Type: Application
    Filed: March 29, 2019
    Publication date: February 4, 2021
    Applicant: NIPPON STEEL STAINLESS STEEL CORPORATION
    Inventors: Koh NISHIMURA, Yoshiharu INOUE, Junichi HAMADA
  • Patent number: 10894995
    Abstract: The present invention particularly has as its technical problem to provide austenitic stainless steel sheet used as the material for housings of turbochargers in which excellent heat resistance and workability are demanded. The austenitic stainless steel sheet according to the present invention comprises, by mass %, C: 0.005 to 0.2%, Si: 0.1 to 4%, Mn: 0.1 to 10%, Ni: 2 to 25%, Cr: 15 to 30%, N: 0.01 to less than 0.4%, Al: 0.001 to 1%, Cu: 0.05 to 4%, Mo: 0.02 to 3%, V: 0.02 to 1%, P: 0.05% or less, and S: 0.01% or less, comprises a balance of Fe and unavoidable impurities, and has an annealing twin frequency of 40% or more and is excellent in heat resistance.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 19, 2021
    Assignee: NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION
    Inventors: Junichi Hamada, Chikako Takushima, Atsuhisa Yakawa
  • Publication number: 20200413034
    Abstract: In an asset management system, a wearable camera mountable by a police officer and a server that manages information regarding the wearable camera are connected to enable a communication. The wearable camera repeatedly diagnoses whether or not the wearable camera has failure at a predetermined timing, and notifies the server of a diagnosis result. The server is connected to a database, accumulates the diagnosis result of the wearable camera in the database every time the server receives the diagnosis result of the wearable camera, and displays the diagnosis result of the wearable camera on an external terminal.
    Type: Application
    Filed: June 24, 2020
    Publication date: December 31, 2020
    Inventors: Minoru HAGIO, Junichi HAMADA, Masahiro NOMOTO, Shinichi ARAI
  • Publication number: 20200412918
    Abstract: A wearable camera includes a capturing portion configured to capture a subject around a user, a control portion configured to control capturing processing of the capturing portion and charging processing of a battery, an upper housing that is mountable to the user and accommodates the capturing portion and the control portion, and a lower housing that accommodates the battery for supplying power to the upper housing, is detachably attached to the upper housing, and has a contact terminal which is exposed to an outside and is used for charging the battery, wherein the lower housing is configured to be connected to a charging stand via the contact terminal such that the battery is charged in a state where the lower housing is attached to the upper housing.
    Type: Application
    Filed: January 30, 2020
    Publication date: December 31, 2020
    Inventors: Junichi HAMADA, Shinichi MURATA, Yu JOJIMA, Noboru TAKADA, Masashi NAKAMURA, Koji TANIGUCHI
  • Patent number: 10793930
    Abstract: A steel material contains, in mass %, C: 0.005 to 0.050, N: 0.05 to 0.30, Si: 0.1 to 1.5, Mn: 0.1 to 7.0, P: 0.005 to 0.100, S: 0.0001 to 0.0200, Cr: 18.0 to 28.0, Cu: 0.1 to 3.0, Ni: 0.1 to 8.0, Mo: 0.1 to 5.0, Al: 0.001 to 0.050, B: 0.0001 to 0.0200, and Ca: 0.0001 to 0.0100. An area ratio of an austenitic phase ranges from 30% to 70% and formulae (I) and (II) below are satisfied. 1.03?[% Cr*F]/[% Cr]?1.40??Formula (I) 1.05?[% Mn*A]/[% Mn]?1.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: October 6, 2020
    Assignee: NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION
    Inventors: Atsutaka Hayashi, Nobuhiko Hiraide, Junichi Hamada
  • Patent number: 10752973
    Abstract: This ferritic stainless steel contains, by mass %, C: 0.001% to 0.030%; Si: 0.01% to 1.00%. Mn: 0.01% to 2.00%, P: 0.050% or less, S: 0.0100% or less, Cr: 11.0% to 30.0%, Mo: 0.01% to 3.00%, Ti: 0.001% to 0.050%, Al: 0.001% to 0.030%, Nb: 0.010% to 1.000%, and N: 0.050% or less, with a remainder being Fe and inevitable impurities, wherein an amount of Al, an amount of Ti, and an amount of Si (mass %) satisfy Al/Ti?8.4Si-0.78.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: August 25, 2020
    Assignee: NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION
    Inventors: Masatoshi Abe, Junichi Hamada, Nobuhiko Hiraide, Norihiro Kanno, Shigeo Fukumoto, Shigeru Kaneko, Atsutaka Hayashi
  • Publication number: 20200232062
    Abstract: The present invention provides a rolled ferritic stainless steel material excellent in corrosion resistance and toughness, in particular suitable as a material for a flange and a method for producing the same and flange part. The rolled ferritic stainless steel material contains, by mass %, C: 0.001 to 0.08%, Si: 0.01 to 1.0%, Mn: 0.01 to 1.0%, P: 0.01 to 0.05%, S: 0.0002 to 0.01%, Cr: 10.0 to 25.0%, and N: 0.001 to 0.05%, has a balance of Fe and unavoidable impurities, has a thickness of 5 mm or more, and has an area ratio of crystal grains with a <011> direction within 15° from the rolling direction of 20% or more in a cross-section parallel to the rolling direction at any location between the left and right ends of the steel sheet.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 23, 2020
    Applicant: NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION
    Inventors: Junichi HAMADA, Koji ITO
  • Patent number: 10648053
    Abstract: The present invention provides a rolled ferritic stainless steel material excellent in corrosion resistance and toughness, in particular suitable as a material for a flange and a method for producing the same and flange part. The rolled ferritic stainless steel material contains, by mass %, C: 0.001 to 0.08%, Si: 0.01 to 1.0%, Mn: 0.01 to 1.0%, P: 0.01 to 0.05%, S: 0.0002 to 0.01%, Cr: 10.0 to 25.0%, and N: 0.001 to 0.05%, has a balance of Fe and unavoidable impurities, has a thickness of 5 mm or more, and has an area ratio of crystal grains with a <011> direction within 15° from the rolling direction of 20% or more in a cross-section parallel to the rolling direction at any location between the left and right ends of the steel sheet.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: May 12, 2020
    Assignee: NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION
    Inventors: Junichi Hamada, Koji Ito