Patents by Inventor Tsuyoshi Yamamoto
Tsuyoshi Yamamoto 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: 10400643Abstract: An oil supply path passes through members separate from a cylinder head (4) to supply a lubricant to bearings (73, 74) of camshaft journals. The oil supply path includes an oil supply passage (66) for the camshaft above the camshaft (19, 20), a connection passage (64) for the camshaft between the oil supply passage for the camshaft and an internal passage (61, 62) in the cylinder head (4), and branch oil passages (68) for the camshaft journals. Each branch oil passage branches off from the oil supply passage for the camshaft, and is connected to one of the bearings (73, 74) from above. Each of the branch passages includes a throttle (168) with a smaller cross-sectional flow area than the oil supply passage for the camshaft.Type: GrantFiled: March 14, 2017Date of Patent: September 3, 2019Assignee: MAZDA MOTOR CORPORATIONInventors: Takashi Kashiwabara, Tsuyoshi Yamamoto, Yasushi Nakahara, Kouichi Shimizu
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Patent number: 10340092Abstract: A solid electrolytic capacitor that includes a capacitor element including an anode portion having a metal layer, a dielectric layer, and a cathode portion having a solid electrolyte layer and a current collector layer; a leading conductor layer; an insulating resin body covering the capacitor element and the leading conductor layer, the insulating resin body having a first end surface and a second end surface opposite to each other; a first external electrode; and a second external electrode. The first external electrode has at least one plating layer on the first end surface, and is connected to the leading conductor layer at the first end surface. The second external electrode has at least one plating layer on the second end surface, and is connected to the metal layer at the second end surface.Type: GrantFiled: June 14, 2017Date of Patent: July 2, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiroyuki Demizu, Kenichi Oshiumi, Tomohiro Suzuki, Shinya Yoshida, Koji Fujimoto, Tadahisa Sano, Tsuyoshi Yamamoto, Yoshinori Ueda, Shinji Otani
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Publication number: 20190193418Abstract: According to one embodiment, a thermal print head includes a heat sink, a head substrate having a plurality of heat generating elements placed on the heat sink and disposed in a primary scanning direction, a circuit board placed on the heat sink so as to be adjacent to the head substrate in an auxiliary scanning direction and provided with a connection circuit, and a control element electrically connected to the heat generating element via a first bonding wire and electrically connected to the connection circuit via a second bonding wire, wherein a plurality of first bonding wires is disposed in parallel in the primary scanning direction, and among the first bonding wires, the first bonding wire having a length of at least 2 mm or more is a metal wire having a Young's modulus greater than that of gold.Type: ApplicationFiled: December 7, 2018Publication date: June 27, 2019Applicant: TOSHIBA HOKUTO ELECTRONICS CORPORATIONInventors: Megumi YAMAUCHI, Seiichi NORO, Masakatsu DOI, Yoshihide ABE, Tomonori SUZUKI, Yuuki KOMORI, Tsuyoshi YAMAMOTO
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Publication number: 20190193417Abstract: According to one embodiment, a thermal print head includes a heat sink; a head substrate placed on the heat sink and having a plurality of heat generating elements arranged in a primary scanning direction; a circuit board placed on the heat sink so as to be adjacent to the head substrate in an auxiliary scanning direction and provided with a connection circuit; and a control element electrically connected to the heat generating element via a first bonding wire and electrically connected to the connection circuit via a second bonding wire, in which at least one of the first bonding wire and the second bonding wire includes any of a copper wire, a copper alloy wire, and a wire mainly made of copper and coated with a metal different from copper.Type: ApplicationFiled: December 7, 2018Publication date: June 27, 2019Applicant: TOSHIBA HOKUTO ELECTRONICS CORPORATIONInventors: Megumi Yamauchi, Seiichi Noro, Masakatsu Doi, Tsuyoshi Yamamoto, Yoshihide Abe, Tomonori Suzuki, Yuuki Komori
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Patent number: 10312663Abstract: A apparatus includes a tunable laser configured to include a tunable filter and a mirror; a first optical splitter provided between the tunable filter and the mirror, the first optical splitter including a first port and a second port on a tunable filter side and a third port and a fourth port on a mirror side, in which the tunable filter is coupled to the first port and the mirror is coupled to the third port, respectively; a first optical waveguide coupled to the second port; a second optical waveguide coupled to the fourth port; and an optical coupler with which the first optical waveguide and the second optical waveguide are combined.Type: GrantFiled: February 2, 2018Date of Patent: June 4, 2019Assignee: FUJITSU LIMITEDInventors: Kazumasa Takabayashi, Suguru Akiyama, Tsuyoshi Yamamoto
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Publication number: 20190084300Abstract: A discharging apparatus includes: a discharging unit that includes a liquid chamber which stores a liquid intermittently supplied from a liquid supply source and a nozzle which discharges the liquid stored in the liquid chamber; a pressure detection unit that detects a pressure of the liquid supplied to the liquid chamber; and a control unit that controls the discharging unit based on a detection result from the pressure detection unit, in which the control unit limits liquid discharging by the discharging unit in a case where the pressure of the liquid supplied to the liquid chamber does not fall within an allowable pressure range.Type: ApplicationFiled: August 17, 2018Publication date: March 21, 2019Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Takashi Machida, Tsuyoshi Yamamoto
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Patent number: 10138762Abstract: A power generation system in which the combustion heat of hydrocarbon gas is used to heat the steam for power generation; at the same time, the exhaust heat thereof is used to dry and thy-distill low rank coal. The power generation system includes: a dry distillation step for dry-distilling low rank coal of high moisture content; a cooling step for cooling the fixed carbon obtained in the dry distillation step; a combustion step in which hydrocarbon gas obtained in the dry distillation step is used as the main fuel; and a power generation step in which there are provided a power generator moving a steam turbine by main steam generated in the combustion step and a condenser.Type: GrantFiled: September 13, 2013Date of Patent: November 27, 2018Assignee: KYUSHU ELECTRIC POWER CO., INC.Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto
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Patent number: 10109690Abstract: An object is to provide an organic light-emitting panel and an organic light-emitting device capable of reducing ink repellence at portions of banks intersecting an insulating layer. Light-emitting units of the organic light-emitting panel are separated by the insulating layer and the banks. The insulating layer is disposed between first electrode units that are adjacent in a first direction, and the banks are disposed between first electrode units that are adjacent in a second direction. Portions of the banks that intersect with the insulating layer extend over the insulating layer in the first direction. Each of the portions of the banks over the insulating layer, in lateral cross-section, have a surface where an inclination angle ?1 and an inclination angle ?2 between the surface and a surface of the insulating layer satisfy ?1>20° and ?2>20°.Type: GrantFiled: March 10, 2015Date of Patent: October 23, 2018Assignee: JOLED INC.Inventors: Nobuto Hosono, Tsuyoshi Yamamoto
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Publication number: 20180274407Abstract: An oil supply path passes through members separate from a cylinder head (4) to supply a lubricant to bearings (73, 74) of camshaft journals. The oil supply path includes an oil supply passage (66) for the camshaft above the camshaft (19, 20), a connection passage (64) for the camshaft between the oil supply passage for the camshaft and an internal passage (61, 62) in the cylinder head (4), and branch oil passages (68) for the camshaft journals. Each branch oil passage branches off from the oil supply passage for the camshaft, and is connected to one of the bearings (73, 74) from above. Each of the branch passages includes a throttle (168) with a smaller cross-sectional flow area than the oil supply passage for the camshaft.Type: ApplicationFiled: March 14, 2017Publication date: September 27, 2018Applicant: MAZDA MOTOR CORPORATIONInventors: Takashi KASHIWABARA, Tsuyoshi YAMAMOTO, Yasushi NAKAHARA, Kouichi SHIMIZU
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Publication number: 20180226767Abstract: A apparatus includes a tunable laser configured to include a tunable filter and a mirror; a first optical splitter provided between the tunable filter and the mirror, the first optical splitter including a first port and a second port on a tunable filter side and a third port and a fourth port on a mirror side, in which the tunable filter is coupled to the first port and the mirror is coupled to the third port, respectively; a first optical waveguide coupled to the second port; a second optical waveguide coupled to the fourth port; and an optical coupler with which the first optical waveguide and the second optical waveguide are combined.Type: ApplicationFiled: February 2, 2018Publication date: August 9, 2018Applicant: FUJITSU LIMITEDInventors: Kazumasa Takabayashi, Suguru Akiyama, Tsuyoshi Yamamoto
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Patent number: 10040116Abstract: There is provided a manufacturing method including: forming a molded body element with a molding material containing a ceramic powder and a binder; forming a ceramic molded body by disposing at least one molded body element in a mold and then injecting a molding material containing a ceramic powder and a binder into the mold and graft molding a graft molded body element to the molded body element; and forming a ceramic sintered body by degreasing and sintering the ceramic molded body. A graft connecting surface of the molded body element to which the graft molded body element is graft molded is formed so as to have a surface roughness of 2 ?m or more in terms of Ra.Type: GrantFiled: February 12, 2015Date of Patent: August 7, 2018Assignee: HITACHI METALS, LTD.Inventors: Hideko Fukushima, Masayoshi Date, Tsuyoshi Yamamoto, Shuhei Iwagaki
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Patent number: 10027088Abstract: The present invention relates to an optical semiconductor integrated element and manufacturing method for same solves difficulty in element manufacture, and reduces optical transmission loss. The present invention is provided with a stripe-shaped waveguide configured from a multilayer structure wherein at least a first conductivity-type lower cladding layer, a waveguide core layer, and an upper cladding layer are layered, and the upper cladding layer is formed using a second conductivity-type upper cladding layer, and an i-type upper cladding layer, which has a bent portion by being shifted in the perpendicular direction with respect to the main extending direction of the waveguide.Type: GrantFiled: June 8, 2017Date of Patent: July 17, 2018Assignee: FUJITSU LIMITEDInventors: Kazumasa Takabayashi, Tsuyoshi Yamamoto
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Patent number: 10012134Abstract: Injection of the fuel by the injector 43 creates a gas flow in the combustion chamber. The gas expands in a radial fashion from an axis of a cylinder toward a radial outside of the cylinder, and then flows from the radial outside along the cylinder head bottom face 221 toward the axis of the cylinder. The spark plug 41 has a gap positioned away from the axis of the cylinder toward the radial outside of the cylinder at a predetermined distance, and placed radially inwardly from a position opposite a rim of an opening of the cavity 242. A side electrode extends to be oriented in a direction perpendicular to the flow of the gas along the cylinder head bottom face. The gap has a center positioned near the cylinder head bottom face, and closer to an interior of a combustion chamber than to the cylinder head bottom face.Type: GrantFiled: November 28, 2016Date of Patent: July 3, 2018Assignee: MAZDA MOTOR CORPORATIONInventors: Mitsunori Wasada, Tsuyoshi Yamamoto, Yasushi Nakahara, Takashi Youso, Hiroaki Abe, Takaaki Nagano, Atsushi Inoue, Kazuhiro Nagatsu, Takashi Kaminaga, Tatsuya Fujikawa
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Publication number: 20180169766Abstract: Provided are a cemented carbide having excellent plastic deformation resistance and a cutting tool in which the cemented carbide is used as a substrate. A cemented carbide includes a hard phase containing tungsten carbide particles and a binder phase containing, as a main component, an iron-group element, wherein the formula B/A?0.05 is satisfied, where A represents the number of the tungsten carbide particles, and B represents the number of tungsten carbide particles whose number of contact points with other tungsten carbide particles is 1 or less. Preferably, the iron-group element includes cobalt, and the cobalt content in the cemented carbide is 8% by mass or more. Preferably, the tungsten carbide particles have an average particle diameter of 3 ?m or more.Type: ApplicationFiled: December 15, 2015Publication date: June 21, 2018Inventors: Tsuyoshi Yamamoto, Michiko Matsukawa, Yasuki Kido, Keiichi Tsuda
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Patent number: 9966724Abstract: A laser includes first through fourth gain media, first through fifth wavelength selective filters, and first through fourth wavelength selective mirrors. The first through fourth gain media emit laser beams of different wavelengths. Each of the first through fifth wavelength selective filters includes first through fourth input/output ports. The fifth wavelength selective filter selects light of periodic wavelengths. The first through fourth wavelength selective filters have their respective first input/output ports connected to the first through fourth gain media, respectively, have their respective fourth input/output ports connected to the first through fourth wavelength selective mirrors, respectively, and have their respective second input/output ports connected to the first through fourth input/output ports, respectively, of the fifth wavelength selective filter.Type: GrantFiled: March 1, 2017Date of Patent: May 8, 2018Assignee: FUJITSU LIMITEDInventors: Kazumasa Takabayashi, Tsuyoshi Yamamoto
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Patent number: 9963639Abstract: A fixed carbon production device is provided with: a quench chamber for collecting fixed carbon; a dry distillation furnace which is erected and fixed in the quench chamber and into which raw material coal is fed; a dry distillation unit which is polygonal in horizontal cross-section and is partitioned by a separating wall which partitions the inside of the dry distillation furnace in the vertical direction; a dry distillation mini-furnace which is polygonal in horizontal cross-section and which is partitioned by a partition which partitions the inside of the dry distillation unit in the vertical direction; a pipe heating means which is arranged on the separating wall of the dry distillation unit and the partition of the dry distillation mini-furnace and which dry-distills the raw material coal; and a collection path for collecting fixed carbon collected in the quench chamber.Type: GrantFiled: September 13, 2013Date of Patent: May 8, 2018Assignee: KYUSHU ELECTRIC POWER CO., INC.Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto
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Patent number: 9948059Abstract: A semiconductor laser light source includes a semiconductor substrate formed of a first conductivity type semiconductor material, a lower cladding layer formed of the first conductivity type semiconductor material on the semiconductor substrate, a waveguide layer on the lower cladding layer, and an upper cladding layer formed of a second conductivity type semiconductor material on the waveguide layer. The waveguide layer includes a core area and rib areas thinner than the core area on either side of the core area. The core area has a quantum dot active layer, and the rib areas have no quantum dot layer. The waveguide layer forms a laser part having the core area with a constant width and a spot size converter having the core area with a taper width from a side adjacent to the laser part toward an end of the spot size converter.Type: GrantFiled: December 20, 2016Date of Patent: April 17, 2018Assignee: FUJITSU LIMITEDInventors: Tokuharu Kimura, Tsuyoshi Yamamoto, Kazumasa Takabayashi, Ayahito Uetake
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Publication number: 20180069290Abstract: The glass antenna of the present invention includes a first element connected to a hot-side feeding point, a second element connected to an earth-side feeding point and a coaxial cable having an inner conductor and an outer conductor that is connected to a part of a vehicle body. The glass antenna of the present can improve receiving sensitivity.Type: ApplicationFiled: September 5, 2017Publication date: March 8, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Tsuyoshi YAMAMOTO, Yohei KOMATSU, Koji TABATA
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Patent number: 9906306Abstract: An optical transmission system includes: a first light source configured to output a light wave of a first wavelength among a plurality of wavelengths; a second light source configured to output a light wave of a second wavelength; and a first detection section configured to detect abnormality in the light wave from the first light source, wherein upon detection of abnormality, a multiplexed optical signal including an optical signal of a modulated light wave generated using the light wave from the second light source in place of an optical signal of a modulated light wave generated using the light wave from the first light source is transmitted.Type: GrantFiled: June 2, 2015Date of Patent: February 27, 2018Assignee: FUJITSU LIMITEDInventors: Takashi Shimizu, Tsuyoshi Yamamoto
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Patent number: 9904022Abstract: An optical receiving device includes: a lens portion configured to refract incident light with a first wavelength and refract incident light with a second wavelength; a first beam splitter configured to let refracted light with the first wavelength transmit and reflect refracted light with the second wavelength; a second beam splitter configured to reflect transmitted light with the first wavelength; and a light receiver configured to receive reflected light with the first wavelength and reflected light with the second wavelength, wherein the first beam splitter and the second beam splitter are disposed so as to be separated by a difference in optical path length between the light with the first wavelength and the light with the second wavelength.Type: GrantFiled: November 9, 2016Date of Patent: February 27, 2018Assignee: FUJITSU LIMITEDInventors: Jun Matsui, Tsuyoshi Yamamoto
