Patents by Inventor Yasuo Hirano

Yasuo Hirano 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: 11143870
    Abstract: A display apparatus that enhances a response speed while suppressing reduction in durability even when the transmittance control is performed. The display apparatus includes a display, a plurality of light adjustment devices, and a controller. The display is configured to be attached to a head of a user to display information to the user. Each of the plurality of light adjustment devices is configured to change a transmittance to adjust an intensity of light incident from outside. The controller is configured to independently control the transmittances of the plurality of light adjustment devices separately from each other.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: October 12, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Norikazu Igarashi, Shigenobu Hirano, Yasuo Katano, Kenji Kameyama, Takashi Maki, Yuuto Gotoh, Satomi Tanaka, Shiroh Ikegami, Ikue Kawashima, Qing Liang
  • Patent number: 10982330
    Abstract: According to one aspect of the present invention, there is provided a chemical conversion coated metal sheet for non-condensed thermoplastic resin bonding, the chemical conversion coated metal sheet including a metal substrate and a chemical conversion coating film disposed on at least one surface of the metal substrate, in which the chemical conversion coating film is obtained by coating the metal substrate with a coating liquid that contains an ethylene-acrylic acid copolymer, colloidal silica, and a silane coupling agent. The ethylene-acrylic acid copolymer has an acrylic acid content of 10 mass % or more and a melt flow rate of 80 g/10 min or less.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: April 20, 2021
    Assignee: Kobe Steel, Ltd.
    Inventors: Yasuo Hirano, Takeshi Watase, Tetsuya Yamamoto
  • Publication number: 20200316912
    Abstract: The present invention relates to a surface-treated metal sheet for polyolefin resin bonding having a metal substrate and an adhesive layer laminated on at least one surface of the metal substrate with a chemical conversion coating film interposed between the metal substrate and the adhesive layer. This surface-treated metal sheet for polyolefin resin bonding is characterized in that a coating liquid for forming the chemical conversion coating film contains an acid-modified polyolefin resin, a colloidal silica, and a silane coupling agent; a coating amount of the chemical conversion coating film is 0.05 to 3 g/m2 in terms of dry mass; the adhesive layer contains an acid-modified polyolefin resin; and the adhesive layer has a thickness of 5 to 100 ?m.
    Type: Application
    Filed: March 3, 2017
    Publication date: October 8, 2020
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuo HIRANO, Takeshi WATASE, Tetsuya YAMAMOTO
  • Publication number: 20200023616
    Abstract: A surface-treated metal sheet for adhesion to polyolefin includes a metal sheet, and a resin layer provided on at least one surface of the metal sheet. The resin layer contains an acid-modified polyolefin, the acid-modified polyolefin contains a first acid-modified polyolefin having an acid value of 5 mgKOH/g or less and a second acid-modified polyolefin having an acid value of 20 mgKOH/g or more and a melting point of higher than 90° C., and a difference between a melting point of the first acid-modified polyolefin and the melting point of the second acid-modified polyolefin is 0° C. or more and less than 40° C.
    Type: Application
    Filed: February 21, 2018
    Publication date: January 23, 2020
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuo HIRANO, Tatsuhiko IWA, Tetsuya YAMAMOTO, Takeshi WATASE
  • Publication number: 20190375194
    Abstract: A surface-treated metal sheet for polyolefin adhesion is provided with a metal sheet, a first layer provided on at least one surface of the metal sheet, and a second layer provided on the first layer, wherein the first layer containing an epoxy resin and a blocked isocyanate, the second layer containing an acid-modified polyolefin resin, the thickness of the first layer being 15 to 40 ?m, and the thickness of the second layer being 4 to 30 ?m.
    Type: Application
    Filed: February 21, 2018
    Publication date: December 12, 2019
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Yasuo HIRANO, Tatsuhiko IWA, Tetsuya YAMAMOTO, Takeshi WATASE
  • Patent number: 10399300
    Abstract: Provided are: a surface-treated metal sheet that is useful when integrating a molded plastic (resin) article and a metal sheet during injection molding; and a metal sheet-resin composite molded article in which the metal sheet and a resin molded article are integrated. The surface-treated metal sheet consists of a laminate having a metal substrate, a chemical conversion coating film and an adhesive layer in order, and is characterized in that the chemical conversion coating film contains colloidal silica and a thermosetting resin.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: September 3, 2019
    Assignee: KOBE STEEL, LTD.
    Inventors: Yasuo Hirano, Takeshi Watase, Tatsuhiko Iwa
  • Publication number: 20190112714
    Abstract: According to one aspect of the present invention, there is provided a chemical conversion coated metal sheet for non-condensed thermoplastic resin bonding, the chemical conversion coated metal sheet including a metal substrate and a chemical conversion coating film disposed on at least one surface of the metal substrate, in which the chemical conversion coating film is obtained by coating the metal substrate with a coating liquid that contains an ethylene-acrylic acid copolymer, colloidal silica, and a silane coupling agent. The ethylene-acrylic acid copolymer has an acrylic acid content of 10 mass % or more and a melt flow rate of 80 g/10 min or less.
    Type: Application
    Filed: March 7, 2017
    Publication date: April 18, 2019
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.)
    Inventors: Yasuo HIRANO, Takeshi WATASE, Tetsuya YAMAMOTO
  • Publication number: 20190084274
    Abstract: According to one aspect of the present invention, there is provided a chemical conversion coated metal sheet including a metal substrate and a chemical conversion coating film laminated on at least one surface of the metal substrate, in which the chemical conversion coating film contains a water-soluble resin, and a lubricant having carbon-oxygen bonds; a thickness of the chemical conversion coating film is 0.2 to 1?m; and the lubricant includes 1 atom % or more of carbon atoms configuring the carbon-oxygen bonds relative to a total of carbon atoms contained in the lubricant.
    Type: Application
    Filed: March 7, 2017
    Publication date: March 21, 2019
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuo HIRANO, Takeshi WATASE, Tetsuya YAMAMOTO
  • Publication number: 20180123065
    Abstract: An organic electronic device provided with an organic electronic element on one surface of a substrate, wherein the substrate has a metal layer and an insulating layer overlaid on at least one face side of the metal layer, and the one face of the substrate does not have an irregularity peak having a K value of equal to or lower than ?0.07 as calculated by expression (1). In the expression (1), x represents an irregularity peak position when a line roughness analysis is conducted on a 10 ?m square on the one face of the substrate with an interval of 2.45 nm, f(x) represents a surface irregularity height (nm) at x, and dx represents an infinitesimal change in x. K=[f(x+dx)?2f(x)+f(x?dx)]/dx2 . . .
    Type: Application
    Filed: May 24, 2016
    Publication date: May 3, 2018
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yoko SHIDA, Masao MIZUNO, Yasuo HIRANO, Tatsuhiko IWA, Takeshi WATASE
  • Publication number: 20180079178
    Abstract: A surface-treated metal sheet which is used for insert molding and in which a hot melt adhesive layer is laminated on at least one side of a metal substrate, where the hot melt adhesive layer has a thickness of 10 to 100 ?m; the hot melt adhesive layer contains a high melting point crystalline modified polypropylene having a melting point of 120° C. or higher and a low melting point crystalline modified polypropylene having a melting point of lower than 120° C.; and the rate of change of tensile shear adhesion strength measured at 23° C. of a metal sheet-resin composite molded article obtained when uniting a polypropylene-based resin and the surface-treated metal sheet by insert molding while varying mold temperature is 2 MPa or less per ° C. of mold temperature.
    Type: Application
    Filed: March 23, 2016
    Publication date: March 22, 2018
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.)
    Inventors: Tatsuhiko IWA, Takeshi WATASE, Yasuo HIRANO
  • Patent number: 9660507
    Abstract: A method of manufacturing a stator core includes die-cutting iron core materials from a band-shaped magnetic steel sheet and stacking the materials. Each material includes an inner circumference formed with three interconnecting lugs. At least one of the lugs included in one of two rows is located between the materials lengthwise adjacent to each other in the other row. Marginal regions are located in parts of the sheet located between the lugs of the materials adjacent to each other in a lengthwise direction of the sheet in a common row, between the material of the one row and the material of the other row and between the materials to be die-cut and each end of the sheet, respectively. The marginal regions are sized to be approximate to a web width in order to join remaining materials after the materials have been die-cut.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: May 23, 2017
    Assignee: Toshiba Industrial Products Manufacturing Corporation
    Inventors: Toyonobu Yamada, Tadashi Morishima, Katsumi Kinoshita, Takayuki Akatsuka, Hiroshi Horai, Yasuo Hirano, Masanori Ohashi, Takeo Kaito
  • Publication number: 20160243794
    Abstract: Provided are: a surface-treated metal sheet that is useful when integrating a molded plastic (resin) article and a metal sheet during injection molding; and a metal sheet-resin composite molded article in which the metal sheet and a resin molded article are integrated. The surface-treated metal sheet consists of a laminate having a metal substrate, a chemical conversion coating film and an adhesive layer in order, and is characterized in that the chemical conversion coating film contains colloidal silica and a thermosetting resin.
    Type: Application
    Filed: October 30, 2014
    Publication date: August 25, 2016
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuo HIRANO, Takeshi WATASE, Tatsuhiko IWA
  • Publication number: 20140091672
    Abstract: A method of manufacturing a stator core includes die-cutting iron core materials from a band-shaped magnetic steel sheet, each iron core material being formed into an annular shape and having m number of interconnecting lugs protruding radially outward from an annular outer circumference of the magnetic steel sheet when m is equal to or larger than 2, and stacking a number of the iron core materials. In the die-cutting, parts of the magnetic steel sheet to be die-cut as the iron core material are arranged in n number of rows in a widthwise direction of the magnetic steel sheet when n is an integer equal to or larger than 2. Each one of the iron core materials included in one of n number of rows is located between the iron core materials lengthwise adjacent to each other in the row next to the one row.
    Type: Application
    Filed: August 26, 2013
    Publication date: April 3, 2014
    Applicant: Toshiba Industrial Products Manufacturing Corporation
    Inventors: Toyonobu YAMADA, Tadashi MORISHIMA, Katsumi KINOSHITA, Takayuki AKATSUKA, Hiroshi HORAI, Yasuo HIRANO, Masanori OHASHI, Takeo KAITO
  • Patent number: 8080908
    Abstract: A rotor for an electric rotating machine includes d-axis through holes located on respective d-axes, hollow shafts formed in both axial sides of a rotating shaft not inserted into a rotor core, presser plates mounted on both axial ends of the rotor core, cooling grooves formed in faces of the presser plates in contact with the rotor core, a plurality of presser plate refrigerant outlet holes in the presser plates, the presser plate refrigerant outlet holes of one of the presser plates having diameters different from diameters of the presser plate refrigerant outlet holes of one of the other presser plates, and a refrigerant channel formed so that a refrigerant supplied into one of the hollow shafts of the rotating shaft flows through the refrigerant channel and further through the hollow shaft wall hole of said one hollow shaft and the radial grooves of the respective presser plates.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: December 20, 2011
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing Corporation
    Inventors: Masakatsu Matsubara, Yasuo Hirano, Takashi Hanai, Motoyasu Mochizuki
  • Patent number: 7705503
    Abstract: Included are a ring-shaped stator and a ring-shaped rotor arranged inside the stator; the stator includes a stator core with armature windings; the rotor includes a rotor core in which a plurality of permanent magnets are inserted and cooling holes are formed, a coolant flowing in each of the cooling holes; and each of the cooling holes is formed so as to have a sectional view which is a convex toward the outer periphery thereof.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: April 27, 2010
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing Corporation
    Inventors: Norio Takahashi, Kazuto Sakai, Yoshio Hashidate, Masanori Arata, Wataru Ito, Masakatsu Matsubara, Takashi Hanai, Yasuo Hirano
  • Publication number: 20090261667
    Abstract: A rotor for an electric rotating machine, improving cooling performance of the rotating machine. D-axis through-holes (26) are provided outside the outer periphery of a rotor core (11), and hollow shafts (15a, 15b) are formed in those portions of a rotating shaft (15) which are not inserted in the rotor core (11). Pressing plates (14a, 14b) for holding the rotor core (11) between them are arranged on axially opposite sides of the rotor core (11). Hollow-shaft wall-holes (25) running through the radial direction are formed in the hollow shafts (15a, 15b) on both sides of the rotating shaft (15). In the surface of each pressing plate (14a, 14b) which surface is in contact with the rotator core (11), there are formed a first annular groove (30) connected to the d-axis through-holes (26) and radial grooves (31) for connecting the first annular groove (30) and the hollow-shaft wall-holes (25) of the rotating shaft (15).
    Type: Application
    Filed: November 7, 2006
    Publication date: October 22, 2009
    Inventors: Masakatsu Matsubara, Yasuo Hirano, Takashi Hanai, Motoyasu Mochizuki
  • Publication number: 20090261679
    Abstract: An object of the present invention is to provide an internal permanent magnet type rotating electrical machine capable of maintaining compactness and high output and reducing vibration and noise caused by electromagnetic force. The rotating electrical machine of the present invention has an annular stator and a rotor that is arranged inside the stator with an air gap interposed between the stator and the rotor. The stator has a stator iron core provided with a plurality of slots at circumferential intervals and a coil received in each of the slots.
    Type: Application
    Filed: August 31, 2006
    Publication date: October 22, 2009
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INDUSTRIAL PRODUCTS MANUFACTURING CORPORATION
    Inventors: Kazuto Sakai, Norio Takahashi, Masanori Arata, Motoyasu Mochizuki, Masakatsu Matsubara, Yasuo Hirano, Takashi Hanai
  • Patent number: 7327057
    Abstract: A neutral-point terminal device for use with a neutral point side bundle of wires in a polyphase winding of a dynamoelectric machine includes a metal sleeve and an insulating cap covering the metal sleeve. The metal sleeve is covered by the insulating cap so that distal ends of the bundled neutral point side wires remain in an interior of the metal sleeve. The metal sleeve is then pressurized thereby to be deformed so as to be secured to the distal ends of the bundled wires.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: February 5, 2008
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing Corporation
    Inventors: Wataru Ito, Motoyasu Mochizuki, Yasuo Hirano, Akihito Kondo, Yoichi Seo, Takashi Hanai, Nobutaka Aikura, Takashi Araki, Masakatsu Matsubara, Toshio Innan
  • Patent number: 7279218
    Abstract: Disclosed is a coated body for members of an electronic device, comprising a substrate covered, on the surface side and back side thereof, with respective thermal radiative coatings having thermal radiation property, wherein a difference ?T1 (=T1B?T1A) between Temperature T1A, at Position T1, of the coated body used as a sample and Temperature T1B, at Position T2, of the substrate not covered with a coating used as another sample is 1.5° C. or greater, said temperatures being measured using a thermal radiation property evaluating apparatus illustrated in FIG. 1; and whereby satisfying its essential properties (maintenance of air tightness to block water or dust and reduction in size and weight), while reducing the temperature inside of the members of an electronic device (thermal radiation property).
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: October 9, 2007
    Assignee: Kobe Steel, Ltd.
    Inventors: Takeshi Watase, Yasuo Hirano, Kazuo Okumura, Tetsuya Yamamoto
  • Publication number: 20070052313
    Abstract: Included are a ring-shaped stator and a ring-shaped rotor arranged inside the stator; the stator includes a stator core with armature windings; the rotor includes a rotor core in which a plurality of permanent magnets are inserted and cooling holes are formed, a coolant flowing in each of the cooling holes; and each of the cooling holes is formed so as to have a sectional view which is a convex toward the outer periphery thereof.
    Type: Application
    Filed: July 27, 2006
    Publication date: March 8, 2007
    Inventors: Norio Takahashi, Kazuto Sakai, Yoshio Hashidate, Masanori Arata, Wataru Ito, Masakatsu Matsubara, Takashi Hanai, Yasuo Hirano