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).
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Patent number: 11960096Abstract: A head-mounted display device includes an image display unit (300a, 300b) configured to emit image light, a light guide member (100a, 100b) configured to guide the image light and emit the image light to eyes of a wearer who wears the head-mounted display device, and a relay optical system (201a, 201b) arranged between the image display unit and the light guide member, and configured to relay the image light from the image display unit to the light guide member, and form an intermediate image at least once before the image light enters the light guide member.Type: GrantFiled: December 25, 2018Date of Patent: April 16, 2024Assignee: RICOH COMPANY, LTD.Inventors: Shigenobu Hirano, Yasuo Katano, Kenji Kameyama, Norikazu Igarashi, Satomi Tanaka, Naoki Nakamura
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Patent number: 11897230Abstract: 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: GrantFiled: March 3, 2017Date of Patent: February 13, 2024Assignee: Kobe Steel, Ltd.Inventors: Yasuo Hirano, Takeshi Watase, Tetsuya Yamamoto
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Patent number: 11642871Abstract: 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, particularly 4 to 5 mgKOH/g, 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. The resin layer has a surface roughness of 12 ?m or less in terms of arithmetic average roughness Ra.Type: GrantFiled: February 21, 2018Date of Patent: May 9, 2023Assignee: Kobe Steel, Ltd.Inventors: Yasuo Hirano, Tatsuhiko Iwa, Tetsuya Yamamoto, Takeshi Watase
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Patent number: 10982330Abstract: 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: GrantFiled: March 7, 2017Date of Patent: April 20, 2021Assignee: Kobe Steel, Ltd.Inventors: Yasuo Hirano, Takeshi Watase, Tetsuya Yamamoto
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Publication number: 20200316912Abstract: 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: ApplicationFiled: March 3, 2017Publication date: October 8, 2020Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Yasuo HIRANO, Takeshi WATASE, Tetsuya YAMAMOTO
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Publication number: 20200023616Abstract: 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: ApplicationFiled: February 21, 2018Publication date: January 23, 2020Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Yasuo HIRANO, Tatsuhiko IWA, Tetsuya YAMAMOTO, Takeshi WATASE
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Publication number: 20190375194Abstract: 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: ApplicationFiled: February 21, 2018Publication date: December 12, 2019Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)Inventors: Yasuo HIRANO, Tatsuhiko IWA, Tetsuya YAMAMOTO, Takeshi WATASE
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Patent number: 10399300Abstract: 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: GrantFiled: October 30, 2014Date of Patent: September 3, 2019Assignee: KOBE STEEL, LTD.Inventors: Yasuo Hirano, Takeshi Watase, Tatsuhiko Iwa
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Publication number: 20190112714Abstract: 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: ApplicationFiled: March 7, 2017Publication date: April 18, 2019Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.)Inventors: Yasuo HIRANO, Takeshi WATASE, Tetsuya YAMAMOTO
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Publication number: 20190084274Abstract: 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: ApplicationFiled: March 7, 2017Publication date: March 21, 2019Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Yasuo HIRANO, Takeshi WATASE, Tetsuya YAMAMOTO
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Publication number: 20180123065Abstract: 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: ApplicationFiled: May 24, 2016Publication date: May 3, 2018Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Yoko SHIDA, Masao MIZUNO, Yasuo HIRANO, Tatsuhiko IWA, Takeshi WATASE
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Publication number: 20180079178Abstract: 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: ApplicationFiled: March 23, 2016Publication date: March 22, 2018Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd.)Inventors: Tatsuhiko IWA, Takeshi WATASE, Yasuo HIRANO
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Patent number: 9660507Abstract: 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: GrantFiled: August 26, 2013Date of Patent: May 23, 2017Assignee: Toshiba Industrial Products Manufacturing CorporationInventors: Toyonobu Yamada, Tadashi Morishima, Katsumi Kinoshita, Takayuki Akatsuka, Hiroshi Horai, Yasuo Hirano, Masanori Ohashi, Takeo Kaito
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Publication number: 20160243794Abstract: 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: ApplicationFiled: October 30, 2014Publication date: August 25, 2016Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Yasuo HIRANO, Takeshi WATASE, Tatsuhiko IWA
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Publication number: 20140091672Abstract: 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: ApplicationFiled: August 26, 2013Publication date: April 3, 2014Applicant: Toshiba Industrial Products Manufacturing CorporationInventors: Toyonobu YAMADA, Tadashi MORISHIMA, Katsumi KINOSHITA, Takayuki AKATSUKA, Hiroshi HORAI, Yasuo HIRANO, Masanori OHASHI, Takeo KAITO
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Patent number: 8080908Abstract: 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: GrantFiled: November 7, 2006Date of Patent: December 20, 2011Assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing CorporationInventors: Masakatsu Matsubara, Yasuo Hirano, Takashi Hanai, Motoyasu Mochizuki
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Patent number: 7705503Abstract: 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: GrantFiled: July 27, 2006Date of Patent: April 27, 2010Assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing CorporationInventors: Norio Takahashi, Kazuto Sakai, Yoshio Hashidate, Masanori Arata, Wataru Ito, Masakatsu Matsubara, Takashi Hanai, Yasuo Hirano
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Publication number: 20090261667Abstract: 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: ApplicationFiled: November 7, 2006Publication date: October 22, 2009Inventors: Masakatsu Matsubara, Yasuo Hirano, Takashi Hanai, Motoyasu Mochizuki
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Publication number: 20090261679Abstract: 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: ApplicationFiled: August 31, 2006Publication date: October 22, 2009Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INDUSTRIAL PRODUCTS MANUFACTURING CORPORATIONInventors: Kazuto Sakai, Norio Takahashi, Masanori Arata, Motoyasu Mochizuki, Masakatsu Matsubara, Yasuo Hirano, Takashi Hanai
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Patent number: 7327057Abstract: 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: GrantFiled: September 23, 2005Date of Patent: February 5, 2008Assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing CorporationInventors: Wataru Ito, Motoyasu Mochizuki, Yasuo Hirano, Akihito Kondo, Yoichi Seo, Takashi Hanai, Nobutaka Aikura, Takashi Araki, Masakatsu Matsubara, Toshio Innan