Patents by Inventor Yasuo Fukushima
Yasuo Fukushima 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: 20110054095Abstract: This invention relates to a novel compound capable of largely reducing hysteresis loss of a rubber composition but also highly improving wear resistance, and more particularly to an organosilicon compound characterized by having one or more silicon-oxygen bond (Si—O) and 1-10 sulfur atoms (S) in its molecule, including one or more chain alkoxy groups and having one or more nitrogen atoms (N) at a position distant by 3-8 atoms from silicon atom (Si).Type: ApplicationFiled: February 20, 2009Publication date: March 3, 2011Applicant: BRIDGESTONE CORPORATIONInventors: Takaaki Yukimura, Yasuo Fukushima
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Patent number: 7732517Abstract: An organosilicon compound having a structure represented by following general formula: R1: methyl group or ethyl group, R2: a branched or linear, saturated or unsaturated aliphatic hydrocarbon group having 3 to 8 carbon atoms, n: 0.5˜2.5 (an average composition), R3: a divalent hydrocarbon group of —CH2—, —CH2CH2—, —CH2CH2CH2—, —CH2CH2CH2CH2—, —CH2CH2CH2CH2CH2—, —CH(CH3)—, —CH2CH(CH3)—, —C(CH3)2—, —CH(C2H5)—, —CH2CH2CH(CH3)— or —CH2CH(CH3)CH2—, X: S, S(C?O)—R4, SH or NH(3?p), and R4: a branched or linear, saturated or unsaturated aliphatic hydrocarbon group having 1 to 30 carbon atoms. When X?S, p=2 and m=1˜10. When X?S(C?O)—R4, p=1 and m=1. When X?SH, p=1 and m=1. When X?NH(3?p), p=1˜3 and m=1. The organosilicon compound simultaneously suppresses discharge of volatile alcohols generated during the reaction with an inorganic filler and exhibits great reactivity with the inorganic filler.Type: GrantFiled: November 21, 2006Date of Patent: June 8, 2010Assignee: Bridgestone CorporationInventor: Yasuo Fukushima
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Patent number: 7656175Abstract: An insulative block has a first face adapted to oppose a board on which an inspection circuit is arranged and a second face adapted to oppose a device to be inspected. The insulative block is formed with first through holes each of which communicates the first face and the second face. A conductive first plating layer is formed on the first face, the second face, and an inner face of at least one of the first through holes. Each of contact probes includes a conductive tubular body held in an associated one of the first through holes and a plunger which is retractably projected from one end of the tubular body and is adapted to come in contact with a terminal of the device.Type: GrantFiled: December 26, 2006Date of Patent: February 2, 2010Assignee: Yokowo Co., Ltd.Inventors: Yasuo Fukushima, Takuto Yoshida
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Publication number: 20090247683Abstract: An organosilicon compound having a structure represented by following general formula: R1: methyl group or ethyl group, R2: a branched or linear, saturated or unsaturated aliphatic hydrocarbon group having 3 to 8 carbon atoms, n: 0.5˜2.5 (an average composition), R3: a divalent hydrocarbon group of —CH2—, —CH2CH2—, —CH2CH2CH2—, —CH2CH2CH2CH2—, —CH2CH2CH2CH2CH2—, —CH(CH3)—, —CH2CH(CH3)—, —C(CH3)2—, —CH(C2H5)—, —CH2CH2CH(CH3)—or —CH2CH(CH3)CH2—, X: S, S(C?O)—R4, SH or NH(3-p), and R4: a branched or linear, saturated or unsaturated aliphatic hydrocarbon group having 1 to 30 carbon atoms. When X?S, p=2 and m=1˜10. When X?S(C?O)—R4, p=1 and m=1. When X?SH, p=1 and m=1. When X?NH(3-p), p=1˜3 and m=1. The organosilicon compound simultaneously suppresses discharge of volatile alcohols generated during the reaction with an inorganic filler and exhibits great reactivity with the inorganic filler.Type: ApplicationFiled: November 21, 2006Publication date: October 1, 2009Applicant: Bridgestone CorporationInventor: Yasuo Fukushima
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Patent number: 7563078Abstract: A reciprocating compressor includes: a low-pressure stage compression part for compressing low-pressure working gas supplied from a supply source; two high-pressure stage compression parts for compressing the working gas compressed by the low-pressure stage compression part at two stages; and a crank mechanism for driving the low-pressure stage compression part and the high-pressure stage compression parts. The two high-pressure stage compression parts each have a plunger and a cylinder and are arranged on both sides of the crank mechanism in such a way as to extend coaxially opposite to each other. The low-pressure stage compression part has a piston and a cylinder and is located in the middle of the two high-pressure stage compression parts. The crank mechanism, the low-pressure stage compression part, and the two high-pressure stage compression parts are substantially located in the same plane.Type: GrantFiled: January 25, 2005Date of Patent: July 21, 2009Assignee: Hitachi Plant Technologies, Ltd.Inventors: Haruo Miura, Shigeru Arai, Youichirou Fukai, Yasuo Fukushima
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Patent number: 7456645Abstract: A conductive block is formed with a first face, a second face and a through hole connecting the first face and the second face. A contact probe is provided with a conductive pipe and a conductive plunger, retractably provided in at a first end of the pipe, the plunger being to be brought into contact with a device to be inspected. A first retainer includes a first insulative member through which the first end of the pipe is retained in the vicinity of the first face of the block, such that the pipe is coaxially held within the through hole while forming a gap between an outer periphery of the pipe and an interior wall of the through hole.Type: GrantFiled: April 23, 2004Date of Patent: November 25, 2008Assignee: Yokowo Co., Ltd.Inventors: Takuto Yoshida, Atsushi Sato, Yasuo Fukushima, Masaki Noguchi
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Patent number: 7405491Abstract: There is provided an electric power generating device which includes a generator which is constituted by an interior permanent magnet (IPM) synchronous generator, and is connected to a steam turbine without interposition of a reduction gear, cooling means which flows a liquid coolant used to cool the generator, and a frequency converter which converts an electric power generated by the generator into an electric power at a commercial frequency, and outputs the converted electric power, the cooling means includes a circulation passage to which a tank which is used to store the liquid coolant (oil), a cooler which cools the liquid coolant, and a pump which pressure-feeds the liquid coolant are connected, and through which the liquid coolant circulates, and this configuration enables the generator to operate at a high rotational speed, thereby efficiently utilizing the steam energy.Type: GrantFiled: July 10, 2006Date of Patent: July 29, 2008Assignee: Kobe Steel, Ltd.Inventors: Masaki Matsukuma, Yasuo Fukushima, Toshikazu Miyaji, Katsuhiro Uehara
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Publication number: 20070161756Abstract: Polymer-filler coupling compounds with the formula B—A—Sx—N are claimed. In these compounds, B is an azaheterocyclic oxygen or sulfur containing moiety, or an allyltin moiety; Sx is a polysulfide, where x is between 2 and about 10; A is a linking atom or group that forms a bridge between B and Sx; and N is a blocking group. Sx can be a disulfide. N can be a conventional blocking group or other group such as —A—B. Methods for using the polymer-filler coupling compounds to modify polymers containing unsaturated carbon-carbon bonds and promote filler dispersion are also claimed. Additionally, vulcanizable rubber compositions containing the polymer-filler coupling compounds and methods for making vulcanized rubber compositions using the polymer-filler coupling compounds are also claimed.Type: ApplicationFiled: December 28, 2006Publication date: July 12, 2007Inventors: Yasuo Fukushima, William Hergenrother, Russell Koch
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Publication number: 20070145990Abstract: An insulative block has a first face adapted to oppose a board on which an inspection circuit is arranged and a second face adapted to oppose a device to be inspected. The insulative block is formed with first through holes each of which communicates the first face and the second face. A conductive first plating layer is formed on the first face, the second face, and an inner face of at least one of the first through holes. Each of contact probes includes a conductive tubular body held in an associated one of the first through holes and a plunger which is retractably projected from one end of the tubular body and is adapted to come in contact with a terminal of the device.Type: ApplicationFiled: December 26, 2006Publication date: June 28, 2007Inventors: Yasuo Fukushima, Takuto Yoshida
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Patent number: 7186845Abstract: Dispersion of filler(s) in polymeric compositions are improved by the use of a polymer-filler coupling compound, Q—A—B, wherein Q comprises a dipolar nitrogen-containing moiety that can form a 1,3 dipolar addition to an unsaturated carbon-carbon bond; B is an oxazoline, thiazoline, alkoxysilane or allyltin moiety, and A is a linking atom or group that forms a bridge between Q and B.Type: GrantFiled: October 20, 2004Date of Patent: March 6, 2007Assignee: Bridgestone CorporationInventors: Yasuo Fukushima, Russell W. Koch, William L. Hergenrother, Shunji Araki
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Publication number: 20070035137Abstract: There is provided an electric power generating device which includes a generator which is constituted by an interior permanent magnet (IPM) synchronous generator, and is connected to a steam turbine without interposition of a reduction gear, cooling means which flows a liquid coolant used to cool the generator, and a frequency converter which converts an electric power generated by the generator into an electric power at a commercial frequency, and outputs the converted electric power, the cooling means includes a circulation passage to which a tank which is used to store the liquid coolant (oil), a cooler which cools the liquid coolant, and a pump which pressure-feeds the liquid coolant are connected, and through which the liquid coolant circulates, and this configuration enables the generator to operate at a high rotational speed, thereby efficiently utilizing the steam energy.Type: ApplicationFiled: July 10, 2006Publication date: February 15, 2007Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Masaki Matsukuma, Yasuo Fukushima, Toshikazu Miyaji, Katsuhiro Uehara
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Publication number: 20060178467Abstract: A tire tread comprising a cured rubber, where at least a portion of the rubber derives from a functionalized polymer including an oxygen or sulfur-containing azaheterocycles, and a filler comprising oxidized carbon black.Type: ApplicationFiled: January 13, 2006Publication date: August 10, 2006Inventors: Yasuo Fukushima, Terrence Hogan, Shunji Araki, William Hergenrother
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Patent number: 7052250Abstract: A reciprocating compressor, being small-sized and compact, for compressing hydrogen gas to be used in a fuel-cell car, has a crankshaft, to which an end of a connecting rod is connected. The other end of the connecting rod is connected to a crosshead. To the crosshead are connected a pair of shafts, each extending in directions opposing to each other. To each of the shafts is connected a plunger. The each plunger is received within a cylinder at the tip portion thereof. A pair of plungers moves reciprocally on an almost same axis, and the crosshead is formed in one body.Type: GrantFiled: June 23, 2003Date of Patent: May 30, 2006Assignee: Hitachi Industries Co., Ltd.Inventors: Haruo Miura, Shigeru Arai, Youichirou Fukai, Yasuo Fukushima
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Publication number: 20060084730Abstract: Dispersion of filler(s) in polymeric compositions are improved by the use of a polymer-filler coupling compound, Q-A-B, wherein Q comprises a dipolar nitrogen-containing moiety that can form a 1,3 dipolar addition to an unsaturated carbon-carbon bond; B is an oxazoline, thiazoline, alkoxysilane or allyltin moiety, and A is a linking atom or group that forms a bridge between Q and B.Type: ApplicationFiled: October 20, 2004Publication date: April 20, 2006Inventors: Yasuo Fukushima, Russell Koch, William Hergenrother, Shunji Araki
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Publication number: 20050260080Abstract: A reciprocating compressor includes: a low-pressure stage compression part for compressing low-pressure working gas supplied from a supply source; two high-pressure stage compression parts for compressing the working gas compressed by the low-pressure stage compression part at two stages; and a crank mechanism for driving the low-pressure stage compression part and the high-pressure stage compression parts. The two high-pressure stage compression parts each have a plunger and a cylinder and are arranged on both sides of the crank mechanism in such a way as to extend coaxially opposite to each other. The low-pressure stage compression part has a piston and a cylinder and is located in the middle of the two high-pressure stage compression parts. The crank mechanism, the low-pressure stage compression part, and the two high-pressure stage compression parts are substantially located in the same plane.Type: ApplicationFiled: January 25, 2005Publication date: November 24, 2005Inventors: Haruo Miura, Shigeru Arai, Youichirou Fukai, Yasuo Fukushima
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Publication number: 20040212381Abstract: A conductive block is formed with a first face, a second face and a through hole connecting the first face and the second face. A contact probe is provided with a conductive pipe and a conductive plunger, retractably provided in at a first end of the pipe, the plunger being to be brought into contact with a device to be inspected. A first retainer includes a first insulative member through which the first end of the pipe is retained in the vicinity of the first face of the block, such that the pipe is coaxially held within the through hole while forming a gap between an outer periphery of the pipe and an interior wall of the through hole.Type: ApplicationFiled: April 23, 2004Publication date: October 28, 2004Applicant: YOKOWO CO., LTD.Inventors: Takuto Yoshida, Atsushi Sato, Yasuo Fukushima, Masaki Noguchi
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Publication number: 20040057842Abstract: A reciprocating compressor, being small-sized and compact, for compressing hydrogen gas to be used in a fuel-cell car, has a crankshaft, to which an end of a connecting rod is connected. The other end of the connecting rod is connected to a crosshead. To the crosshead are connected a pair of shafts, each extending in directions opposing to each other. To each of the shafts is connected a plunger. The each plunger is received within a cylinder at the tip portion thereof. A pair of plungers moves reciprocally on an almost same axis, and the crosshead is formed in one body.Type: ApplicationFiled: June 23, 2003Publication date: March 25, 2004Applicant: Hitachi Industries Co., Ltd.Inventors: Haruo Miura, Shigeru Arai, Youichirou Fukai, Yasuo Fukushima
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Patent number: 6656992Abstract: A rubber composition for a tire tread which comprises (A) a rubber component selected from the group consisting of natural rubber and synthetic diene-based rubbers, (B) 5 to 50 parts by weight per 100 parts by weight of the rubber component of (b1) aluminum hydroxide particles which are treated with a surface treating agent on the surface and have an average diameter of secondary particles D2 of 10 &mgr;m or smaller or (b2) aluminum hydroxide particles which have an average diameter of secondary particles D2 of 0.8 &mgr;m or smaller and a ratio (D2/D1) of the average diameter of secondary particles D2 to an average diameter of primary particles D1 of 1.7 or smaller and (C) 5 to 80 parts by weight per 100 parts by weight of the rubber component of at least one filler selected from carbon black and silica.Type: GrantFiled: November 4, 1999Date of Patent: December 2, 2003Assignees: Bridgestone Corporation, Showa Denko K.KInventors: Naofumi Ezawa, Yasuo Fukushima, Susumu Shibusawa
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Publication number: 20030149161Abstract: A rubber composition for a tire tread which comprises (A) a rubber component selected from the group consisting of natural rubber and synthetic diene-based rubbers, (B) 5 to 50 parts by weight per 100 parts by weight of the rubber component of (b1) aluminum hydroxide particles which are treated with a surface treating agent on the surface and have an average diameter of secondary particles D2 of 10 &mgr;m or smaller or (b2) aluminum hydroxide particles which have an average diameter of secondary particles D2 of 0.8 &mgr;m or smaller and a ratio (D2/D1) of the average diameter of secondary particles D2 to an average diameter of primary particles D1 of 1.7 or smaller and (C) 5 to 80 parts by weight per 100 parts by weight of the rubber component of at least one filler selected from carbon black and silica.Type: ApplicationFiled: November 4, 1999Publication date: August 7, 2003Inventors: NAOFUMI EZAWA, YASUO FUKUSHIMA, SUSUMU SHIBUSAWA
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Patent number: 6497261Abstract: This invention relates to a pneumatic tire comprising a tread at least a surface portion of which is made of a foamed rubber composition, the foamed rubber composition including closed cells formed by compounding a foaming agent and a foaming assistant which contains sodium benzenesulfinate or a combination of sodium benzenesulfinate and urea.Type: GrantFiled: February 3, 2000Date of Patent: December 24, 2002Assignee: Bridgestone CorporationInventors: Yasuo Fukushima, Daisuke Nohara