Patents by Inventor Tsuyoshi Miura
Tsuyoshi Miura 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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Publication number: 20220310795Abstract: A method for manufacturing a silicon carbide epitaxial substrate which has a first surface which is a (000-1) C-face, a silicon carbide epitaxial layer located on the first surface of the silicon carbide substrate, and a line-shaped surface defect density on a top surface of the silicon carbide epitaxial layer is less than 1.0 cm?2 and a stacking fault density is less than 1.2 cm?2.Type: ApplicationFiled: March 4, 2022Publication date: September 29, 2022Inventors: Tsuyoshi MIURA, Hodaka ICHIKAWA, Naoya KIMURA, Hiroyuki OKUDA, Taisuke HIROOKA
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Patent number: 10897809Abstract: To achieve heat dissipation of a wiring pattern inexpensively with a simple configuration, a printed circuit board includes an insulating substrate having a plurality of wiring patterns on a main surface thereof, and an electronic component mounted on the main surface and connected to the wiring patterns. Further, the printed circuit board includes a heat-dissipating surface mount component that is a surface mount component. The heat-dissipating surface mount component is joined via a solder to each of the wiring patterns on the main surface to dissipate heat of the wiring pattern.Type: GrantFiled: December 16, 2016Date of Patent: January 19, 2021Assignee: Mitsubishi Electric CorporationInventors: Tsuyoshi Miura, Masahiro Koyama
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Publication number: 20200084874Abstract: To achieve heat dissipation of a wiring pattern inexpensively with a simple configuration, a printed circuit board includes an insulating substrate having a plurality of wiring patterns on a main surface thereof, and an electronic component mounted on the main surface and connected to the wiring patterns. Further, the printed circuit board includes a heat-dissipating surface mount component that is a surface mount component. The heat-dissipating surface mount component is joined via a solder to each of the wiring patterns on the main surface to dissipate heat of the wiring pattern.Type: ApplicationFiled: December 16, 2016Publication date: March 12, 2020Inventors: Tsuyoshi MIURA, Masahiro KOYAMA
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Publication number: 20190281704Abstract: A printed wiring board includes a copper foil pattern on a base material, a solder resist uniformly provided on the copper foil pattern so as to cover the copper foil pattern, and an outline character forming layer provided in a part where characters are not formed so that outline characters are formed on the solder resist. A method of manufacturing the printed wiring board includes a step of forming the copper foil pattern on the base material, a step of uniformly forming the solder resist on the copper foil pattern so as to cover the copper foil pattern, and a step of forming the outline character forming layer on the solder resist. The solder resist is formed by applying it by a spray method.Type: ApplicationFiled: December 5, 2016Publication date: September 12, 2019Inventors: Tsuyoshi MIURA, Tomotaka KOJIMA
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Patent number: 10400174Abstract: In a multi-layer insulated wire including: a conductor; an inner layer formed in periphery of the conductor; and an outer layer formed in periphery of the inner layer, the inner layer is made of a resin composition containing a base polymer containing polyolefin as a main component, and the outer layer is made of a resin composition containing a base polymer containing polyolefin as a main component so as to contain 80 or more and 250 or less parts by mass of metallic hydroxide per 100 parts by mass of the base polymer. The multi-layer insulated wire having an expansion start temperature of the outer layer that is equal to or lower than 344° C. is used.Type: GrantFiled: January 29, 2019Date of Patent: September 3, 2019Assignee: Hitachi Metals, Ltd.Inventors: Tsuyoshi Miura, Tamotsu Kibe, Makoto Iwasaki, Yoshiaki Nakamura
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Publication number: 20190241812Abstract: In a multi-layer insulated wire including: a conductor; an inner layer formed in periphery of the conductor; and an outer layer formed in periphery of the inner layer, the inner layer is made of a resin composition containing a base polymer containing polyolefin as a main component, and the outer layer is made of a resin composition containing a base polymer containing polyolefin as a main component so as to contain 80 or more and 250 or less parts by mass of metallic hydroxide per 100 parts by mass of the base polymer. The multi-layer insulated wire having an expansion start temperature of the outer layer that is equal to or lower than 344° C. is used.Type: ApplicationFiled: January 29, 2019Publication date: August 8, 2019Inventors: Tsuyoshi MIURA, Tamotsu KIBE, Makoto IWASAKI, Yoshiaki NAKAMURA
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Patent number: 10068723Abstract: A switch that more reliably prevents solvent permeation from the outside, and a manufacturing method thereof are provided. The switch includes a first molded resin molded integrally with a plurality of fixed contacts by insert molding, a movable member disposed above the first molded resin to bring the plurality of fixed contacts into and out of contact with each other, and a second molded resin molded so as to close a through hole of the first molded resin formed by a pin supporting the plurality of fixed contacts at a time of the insert molding.Type: GrantFiled: August 20, 2015Date of Patent: September 4, 2018Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Tetsu Oyamada, Tsuyoshi Miura, Mitsunori Miura
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Publication number: 20170229258Abstract: A switch that more reliably prevents solvent permeation from the outside, and a manufacturing method thereof are provided. The switch includes a first molded resin molded integrally with a plurality of fixed contacts by insert molding, a movable member disposed above the first molded resin to bring the plurality of fixed contacts into and out of contact with each other, and a second molded resin molded so as to close a through hole of the first molded resin formed by a pin supporting the plurality of fixed contacts at a time of the insert molding.Type: ApplicationFiled: August 20, 2015Publication date: August 10, 2017Inventors: Tetsu OYAMADA, Tsuyoshi MIURA, Mitsunori MIURA
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Publication number: 20170032868Abstract: There is provided an insulated wire, comprising: a conductor; and an insulated layer arranged on an outer circumference of the conductor, wherein the insulate layer is made of a resin composition including polyphenylene sulfide resin and silicone rubber, and in a state of 160° C. or more, a mass loss of the insulated layer which is caused by generation of a siloxane gas from the silicone rubber, is less than 1% of the mass of the silicone rubber.Type: ApplicationFiled: July 26, 2016Publication date: February 2, 2017Inventors: Shigehiro Morishita, Hideto Momose, Takami Ushiwata, Tsuyoshi Miura
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Patent number: 9395054Abstract: In a first aspect of the present inventive subject matter, a light source includes a substrate that includes a first electrode and a second electrode, and light-emitting elements arranged in an area and divided into groups each including a same number N of light-emitting elements that are electrically connected to one another in series in each group of the groups and that are electrically connected in series to the first electrode and to the second electrode of the substrate, and the light-emitting elements include a first light-emitting element that is configured to start emitting light when a voltage applied to the light-emitting elements exceeds a first voltage value, and the light-emitting elements except the first light-emitting element are configured to start emitting light when the voltage exceeds a second voltage value that is higher than the first voltage value. Also, a lighting device including the light source is disclosed.Type: GrantFiled: November 25, 2013Date of Patent: July 19, 2016Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventors: Takakazu Yano, Tsuyoshi Miura
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Publication number: 20160104587Abstract: Provided is a push switch which has less variations in load characteristic and operation life among products and the deformation of a press member is kept small. The push switch includes a case including a recess, first and second fixed contact points arranged on a bottom surface defining the recess, a bulging dome-shaped movable member placed on the bottom surface so that an end portion thereof is in contact with the first fixed contact point, the movable member electrically connecting the first and second fixed contact points when the dome configuration is inverted by pressing, a protective sheet covering the recess, and a press member clamped between the protective sheet and the movable member, pressing the movable member and including a top surface which is in contact with the protective sheet, and a flat bottom surface which is smaller than the top surface and is in contact with the movable member.Type: ApplicationFiled: October 7, 2015Publication date: April 14, 2016Inventors: Tetsu OYAMADA, Tsuyoshi MIURA, Mitsunori MIURA
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Patent number: 8975533Abstract: A printed wiring board has a solder-land group for placing a quad flat package IC, and the solder-land group consists of front solder-land groups and rear solder-land groups. The printed wiring board includes rear solder-drawing lands that are positioned adjacent to rear solder-land groups, that have front edges each of which is substantially parallel to a longitudinal direction of rear solder lands constituting the rear solder-land group and has a length approximately equal to or longer than that of the solder lands in the longitudinal direction, that are separated into two parts in a horizontal direction with respect to a traveling direction of solder flow such that a gap between the respective two separate lands is made wider in its rearward portion than that in its frontward portion, and that have a slit substantially parallel to the longitudinal direction near the front edge.Type: GrantFiled: October 13, 2011Date of Patent: March 10, 2015Assignee: Mitsubishi Electric CorporationInventors: Tsuyoshi Miura, Kazuo Namikoshi
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Publication number: 20140281271Abstract: A cache control device includes: a tag storage section configured to manage, for each cache line of a cache memory, whether or not the cache line is valid, and whether or not a write-back instruction to a shared storage section is provided; and a tag control section configured not to invalidate a cache line for which the write-back instruction is already provided, and to invalidate a cache line for which the write-back instruction is not provided, when a predetermined instruction is provided.Type: ApplicationFiled: March 5, 2014Publication date: September 18, 2014Applicant: Sony CorporationInventors: Tsuyoshi Miura, Hiroshi Yoshikawa
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Publication number: 20140146533Abstract: In a first aspect of the present inventive subject matter, a light source includes a substrate that includes a first electrode and a second electrode, and light-emitting elements arranged in an area and divided into groups each including a same number N of light-emitting elements that are electrically connected to one another in series in each group of the groups and that are electrically connected in series to the first electrode and to the second electrode of the substrate, and the light-emitting elements include a first light-emitting element that is configured to start emitting light when a voltage applied to the light-emitting elements exceeds a first voltage value, and the light-emitting elements except the first light-emitting element are configured to start emitting light when the voltage exceeds a second voltage value that is higher than the first voltage value. Also, a lighting device including the light source is disclosed.Type: ApplicationFiled: November 25, 2013Publication date: May 29, 2014Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventors: Takakazu YANO, Tsuyoshi MIURA
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Patent number: 8586067Abstract: A microbicidal and antiseptic composition, which comprises the following (a), (b) and (c): (a) at least one kind of alcohols selected from the group consisting of ethanol and isopropanol; (b) at least one kind of carboxyvinyl polymers selected from the group consisting of polyacrylic acids, polyacrylates, copolymers of polyacrylic acids and polyacrylic acid alkyl esters, and copolymers of polyacrylates and polyacrylic acid alkyl esters; and (c) agar.Type: GrantFiled: November 14, 2007Date of Patent: November 19, 2013Assignee: Maruishi Pharmaceutical Co., Ltd.Inventors: Kazuki Okamoto, Tsuyoshi Miura, Manabu Soga, Yutaka Nishihara
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Publication number: 20130239320Abstract: Provided is a water passage switching device capable of opening and closing valves by a very easy operation. The water passage switching device (10; 122) of the present invention capable of switching between at least three water spouting and stopping modes by opening and closing valves including: valve elements (26a, 26b, 26c; 142) configured to be moved between a valve-open position and a valve-closed position in response to the each water spouting and stopping mode; a pivotally movable tilting operation member (6; 112) directly operated by a user to switch between the each water spouting and stopping mode; and valve actuating rods (40a, 40b, 40c; 148) arranged around a pivot point of the tilting operation member, and each adapted to open and close a respective one of the plurality of valve elements based on a tilting movement in each direction of the tilting operation member.Type: ApplicationFiled: March 12, 2013Publication date: September 19, 2013Applicant: TOTO LTD.Inventors: Yutaka Aihara, Yasufumi Uemura, Masaya Tanabe, Tsuyoshi Miura, Sho Ishiyama, Tomohiro Kudo, Hideyuki Matsui, Daisuke Kazaoka
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Patent number: 8534318Abstract: To provide a water spouting device capable of switching between spouting and stopping, flow volume adjustment, and spouted water temperature adjustment with a single operating portion. The present invention is a water faucet device (1) furnished with a flow volume adjustment function and a temperature adjustment function, including: an operating portion (6) capable of being pressed and rotated by a user; and flow volume/temperature adjustment means (10), whereby in a stopped water state, spouting is commenced when the operating portion of this flow volume/temperature adjustment means is pressed; in a spouting state, spouted water flow volume is changed when the operating portion is pressed continuously for a predetermined long-press determining time; and water flow is stopped when pressing of the operating portion ceases in less than the long-press determining time.Type: GrantFiled: September 20, 2010Date of Patent: September 17, 2013Assignee: Toto Ltd.Inventors: Hiroshi Kanemaru, Kenichi Aoyagi, Masato Yamahigashi, Masateru Miyazaki, Tsuyoshi Miura
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Patent number: 8466364Abstract: There is provided a cable fixing member, comprising: an intermediate member crimped and tightened to a cable; a pair of bracket members for clamping and grasping one or a plurality of cables with the intermediate member tightened thereto, through the intermediate member; and one or a plurality of grooves formed on facing surfaces of the pair of bracket members by which the cable is clamped, for clamping the cable through the intermediate member, wherein an inner surface shape of the groove is formed to mesh with an outer surface shape of the intermediate member which is crimped and tightened to the cable.Type: GrantFiled: May 10, 2011Date of Patent: June 18, 2013Assignee: Hitachi Cable Ltd.Inventors: Tsuyoshi Miura, Hirotaka Eshima, Yoji Kobayashi
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Patent number: 8438359Abstract: Provided is a method for managing a memory storage region used by a processor. The processor is connected to the memory that stores data accessed while a task is being executed. The memory management method including the steps of: dividing the memory area of the memory into blocks having a plurality of different sizes; selecting a block having a size matching a size of the data accessed while the task is being executed; and storing the data accessed while the task is being executed in the selected block.Type: GrantFiled: February 27, 2008Date of Patent: May 7, 2013Assignee: Waseda UniversityInventors: Hironori Kasahara, Keiji Kimura, Hirofumi Nakano, Takumi Nito, Takanori Maruyama, Tsuyoshi Miura, Tomohiro Tagawa
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Patent number: 8317110Abstract: A water-and-hot-water mixing device includes a mixing valve unit which mixes hot water and water and discharges mixed water therefrom, an operation part which sets a predetermined temperature, a mixed water thermistor which detects a temperature of mixed water, a hot-water thermistor which detects a temperature of hot water supplied to the mixing valve unit, and a controller which performs a feedback control of a discharge water temperature by controlling the mixing valve unit. The controller starts the feedback control when the controller determines that a change amount of the temperature of the hot water per unit time detected by the hot-water thermistor is not more than a fixed value and the temperature of the hot water detected by the hot-water thermistor is not lower than the predetermined temperature.Type: GrantFiled: September 23, 2009Date of Patent: November 27, 2012Assignee: Toto Ltd.Inventors: Kenichi Aoyagi, Hiroshi Kanemaru, Tsuyoshi Miura, Masayuki Oba