Patents by Inventor Masataka Muto
Masataka Muto 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: 10077411Abstract: The invention provides a grease composition containing a base oil, a thickener, and an anti-flaking additive such as a compound represented by, for example, formula (1-1), which grease composition can prevent the white layer flaking of the rolling bearings. (In the formula, R1 and R4 are each independently a straight-chain or branched alkyl or alkenyl group having 1 to 20 carbon atoms.Type: GrantFiled: August 4, 2014Date of Patent: September 18, 2018Assignees: KYODO YUSHI CO., LTD., DENSO CORPORATIONInventors: Terasu Yoshinari, Tomonobu Komoriya, Iwaki Hirooka, Masataka Muto, Satoru Nakazawa, Yoshinori Fukushima, Shigeyuki Mori
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Patent number: 10053647Abstract: The present invention provides a working fluid composition for a refrigerating machine, comprising a refrigerating machine oil that comprises an ester of a polyhydric alcohol and a fatty acid, an epoxy compound, and a phosphorus compound, and a fluoropropene refrigerant, wherein the polyhydric alcohol constituting the ester comprises pentaerythritol and dipentaerythritol, the fatty acid constituting the ester comprises at least one selected from fatty acids having 4 to 9 carbon atoms, and the epoxy compound and the phosphorus compound satisfy a condition represented by the following formula (1). [ Formula ? ? 1 ] ? 0.10 ? ( N E M E · W E ) ( N P M P · W P ) ? 1.Type: GrantFiled: December 22, 2014Date of Patent: August 21, 2018Assignees: Denso Corporation, Kabushki Kaisha Toyota Jidoshokki, JX Nippon Oil & Energy CorporationInventors: Masataka Muto, Hajime Mukawa, Takekazu Kano, Genki Hayashi, Kazuki Yamamoto, Takahiro Hoshida, Hitoshi Takahashi, Ken Sawada, Akira Tada, Souichirou Konno
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Patent number: 9976106Abstract: Provided is a refrigerating machine oil composition, which is to be used for a refrigerant including a mixture of an unsaturated fluorinated hydrocarbon compound, a saturated fluorinated hydrocarbon compound and CO2, contains a base oil which includes at least one selected from a polyoxyalkylene glycol, a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether, and a polyol ester and has a kinematic viscosity at 100° C. of 2 mm2/s or more and 50 mm2/s or less and a hydroxyl value of 5 mgKOH/g or less, is able to be used for a refrigerating machine system using a refrigerant having a low global warming potential and usable especially for a car air conditioner or the like and including a mixture of an unsaturated fluorinated hydrocarbon compound, a saturated fluorinated hydrocarbon compound and CO2, and exhibits not only excellent compatibility with the refrigerant but also excellent stability.Type: GrantFiled: March 14, 2014Date of Patent: May 22, 2018Assignees: IDEMITSU KOSAN CO., LTD., DENSO CORPORATION, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Masato Kaneko, Masataka Muto, Masami Sanuki, Takahiro Hoshida
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Publication number: 20170037337Abstract: The present invention provides a working fluid composition for a refrigerating machine, comprising a refrigerating machine oil that comprises an ester of a polyhydric alcohol and a fatty acid, an epoxy compound, and a phosphorus compound, and a fluoropropene refrigerant, wherein the polyhydric alcohol constituting the ester comprises pentaerythritol and dipentaerythritol, the fatty acid constituting the ester comprises at least one selected from fatty acids having 4 to 9 carbon atoms, and the epoxy compound and the phosphorus compound satisfy a condition represented by the following formula (1). [ Formula ? ? 1 ] ? 0.10 ? ( N E M E · W E ) ( N P M P · W P ) ? 1.Type: ApplicationFiled: December 22, 2014Publication date: February 9, 2017Applicants: Denso Corporation, Kabushki Kaisha Toyota Jidoshokki, JX Nippon Oil & Energy CorporationInventors: Masataka MUTO, Hajime MUKAWA, Takekazu KANO, Genki HAYASHI, Kazuki YAMAMOTO, Takahiro HOSHIDA, Hitoshi TAKAHASHI, Ken SAWADA, Akira TADA, Souichirou KONNO
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Publication number: 20160177213Abstract: The invention provides a grease composition containing a base oil, a thickener, and an anti-flaking additive such as a compound represented by, for example, formula (1-1), which grease composition can prevent the white layer flaking of the rolling bearings. (In the formula, R1 and R4 are each independently a straight-chain or branched alkyl or alkenyl group having 1 to 20 carbon atoms.Type: ApplicationFiled: August 4, 2014Publication date: June 23, 2016Applicants: KYODO YUSHI CO., LTD., DENSO CORPORATIONInventors: Terasu YOSHINARI, Tomonobu KOMORIYA, Iwaki HIROOKA, Masataka MUTO, Satoru NAKAZAWA, Yoshinori FUKUSHIMA, Shigeyuki MORI
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Publication number: 20160040094Abstract: Provided is a refrigerating machine oil composition, which is to be used for a refrigerant including a mixture of an unsaturated fluorinated hydrocarbon compound, a saturated fluorinated hydrocarbon compound and CO2, contains a base oil which includes at least one selected from a polyoxyalkylene glycol, a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether, and a polyol ester and has a kinematic viscosity at 100° C. of 2 mm2/s or more and 50 mm2/s or less and a hydroxyl value of 5 mgKOH/g or less, is able to be used for a refrigerating machine system using a refrigerant having a low global warming potential and usable especially for a car air conditioner or the like and including a mixture of an unsaturated fluorinated hydrocarbon compound, a saturated fluorinated hydrocarbon compound and CO2, and exhibits not only excellent compatibility with the refrigerant but also excellent stability.Type: ApplicationFiled: March 14, 2014Publication date: February 11, 2016Applicants: IDEMITSU KOSAN CO., LTD., DENSO CORPORATION, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Masato KANEKO, Masataka MUTO, Masami SANUKI, Takahiro HOSHIDA
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Patent number: 9214597Abstract: A method for manufacturing a semiconductor device, includes: a step of etching a Si (111) substrate along a (111) plane of the Si (111) substrate to separate a Si (111) thin-film device having a separated surface along the (111) plane.Type: GrantFiled: June 6, 2013Date of Patent: December 15, 2015Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Tomohiko Sagimori, Takahito Suzuki, Masataka Muto
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Patent number: 8906250Abstract: A lubricating oil composition for refrigerator including a base oil and an acid scavenger, and a compressor using the composition are provided, where the acid scavenger is a polyalkylene glycol derivative represented by a formula (1) as follows: R1—[(OR2)e—OR3]f??(1) and the base oil is at least one compound selected from a group consisting of polyvinyl ether, polyalkylene glycol and an ether-base compound represented by a formula (2) as follows, Ra-[(ORb)n-(X)—(ORc)k]x-Rd??(2) where meanings of respective signs are as described in the specification.Type: GrantFiled: November 20, 2008Date of Patent: December 9, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Masato Kaneko, Harutomo Ikeda, Tokue Sato, Takayuki Kato, Takahiro Hoshida, Masato Takamatsu, Masahiro Suzuki, Shuichi Yasuda, Masataka Muto, Shozo Ikejima, Masahito Yamashita
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Patent number: 8703662Abstract: A lubricating oil composition for refrigerators comprising a base oil which comprises as a main component a polyol ester compound obtained from a polyhydric alcohol selected from among pentaerythritol, dipentaerythritol, trimethylolpropane, and neopentyl glycol and a C4 to C20 aliphatic monocarboxylic acid and which has an acid value of 0.02 mgKOH/g or less and a hydroxyl value of 5 mgKOH/g or less. A compressor using the lubricating composition. The lubricating oil composition is applicable to such refrigerators that use a refrigerant having a specific structure, such as an unsaturated fluorinated hydrocarbon compound, and being usable in current car air conditioner systems, and has excellent compatibility with the refrigerant, good sealing properties, capability of imparting a low coefficient of friction to sliding members and, yet, excellent stability. The compressor uses the lubricating composition.Type: GrantFiled: April 18, 2008Date of Patent: April 22, 2014Assignees: Idemitsu Kosan Co., Ltd., Kabushiki Kaisha Toyota Jidoshokki, Denso CorporationInventors: Masato Kaneko, Harutomo Ikeda, Takayuki Kato, Takahiro Hoshida, Masaki Inoue, Shozo Ikejima, Masataka Muto, Masahito Yamashita
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Publication number: 20130264605Abstract: A method for manufacturing a semiconductor device, includes: a step of etching a Si (111) substrate along a (111) plane of the Si (111) substrate to separate a Si (111) thin-film device having a separated surface along the (111) plane.Type: ApplicationFiled: June 6, 2013Publication date: October 10, 2013Inventors: Mitsuhiko OGIHARA, Tomohiko SAGIMORI, Takahito SUZUKI, Masataka MUTO
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Patent number: 8481342Abstract: A method for manufacturing a semiconductor device, includes: a step of etching a Si (111) substrate along a (111) plane of the Si (111) substrate to separate a Si (111) thin-film device having a separated surface along the (111) plane.Type: GrantFiled: March 24, 2010Date of Patent: July 9, 2013Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Tomohiko Sagimori, Takahito Suzuki, Masataka Muto
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Patent number: 8460571Abstract: Provided is a lubricant composition for a refrigerator, which is characterized by using a substance mainly containing a polyoxyalkylene glycol derivative and having a hydroxyl number of 5 mgKOH/g or less, as a base oil. Also provided is a compressor using such the lubricant composition for a refrigerator. The lubricant composition for a refrigerator is used for a refrigerator which uses a refrigerant having a specific structure such as an unsaturated fluorohydrocarbon and being usable in current air-conditioning systems for cars or the like. The lubricant composition for a refrigerator exhibits excellent compatibility with the refrigerant, while having excellent stability. The compressor uses such the lubricant composition for a refrigerator.Type: GrantFiled: June 12, 2008Date of Patent: June 11, 2013Assignees: Idemitsu Kosan Co., Ltd., Kabushiki Kaisha Toyota Jidoshokki, Denso CorporationInventors: Masato Kaneko, Harutomo Ikeda, Takayuki Kato, Takahiro Hoshida, Masaki Inoue, Shozo Ikejima, Masataka Muto, Masahito Yamashita
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Patent number: 8415680Abstract: A semiconductor composite apparatus, includes a first substrate, a semiconductor thin film layer, active devices, first driving circuits, and second driving circuits. The semiconductor thin film layer is formed on the first substrate and is formed of a first semiconductor material. The active devices are formed in the semiconductor thin film layer. The first driving circuits is formed of a second semiconductor material and performing a first function in which the active devices are driven. The second driving circuits are formed of a third semiconductor material and performing a second function in which the active devices are driven, the second function being different from the first function.Type: GrantFiled: March 22, 2006Date of Patent: April 9, 2013Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Hiroyuki Fujiwara, Masataka Muto, Takahito Suzuki, Tomoki Igari
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Patent number: 8174028Abstract: A semiconductor composite apparatus includes a substrate and a planarizing layer, and a semiconductor thin film. The planarizing layer is formed on the substrate either directly or indirectly. The planarizing layer includes a first surface that faces the substrate, and a second surface that is on the side of the planarizing layer remote from the substrate. The semiconductor thin film formed on the planarizing layer. The second surface has a roughness of not more than 5 nm.Type: GrantFiled: October 12, 2010Date of Patent: May 8, 2012Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Masataka Muto, Tomoki Igari, Takahito Suzuki
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Patent number: 8035116Abstract: A semiconductor device includes a substrate; a first conductive type semiconductor layer disposed on a main surface of the substrate; a second conductive type semiconductor layer disposed on the first conductive type semiconductor layer; a plurality of light emitting elements; and a second conductive side wiring pattern for commonly connecting the second conductive type semiconductor layer in the light emitting elements arranged adjacently. The second conductive type semiconductor layer includes a first conductive type semiconductor connection surface and a second conductive type semiconductor connection surface between the first conductive type semiconductor layer.Type: GrantFiled: September 6, 2007Date of Patent: October 11, 2011Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Hiroyuki Fujiwara, Masataka Muto, Takahito Suzuki, Tomoki Igari
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Patent number: 8022387Abstract: A semiconductor device includes a light-emitting layer of a first conductivity type, a second conductivity type or non-doped type, a first contact layer of the second conductivity type disposed on the light-emitting layer and supplied with a voltage via a predetermined contact, a second contact layer of the second conductivity type disposed below the light-emitting layer and supplied with a voltage via a predetermined contact, a first etching stopper layer of the first or second conductivity type disposed below the light-emitting layer and above the second contact layer, and a third contact layer of the first conductivity type disposed below the second contact layer and supplied with a voltage via a predetermined contact.Type: GrantFiled: September 26, 2006Date of Patent: September 20, 2011Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Hiroyuki Fujiwara, Masataka Muto, Takahito Suzuki, Tomoki Igari
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Patent number: 7928572Abstract: A composite semiconductor device includes a substrate; a plurality of circuits formed on the substrate; one or more wiring layers each including a plurality of wiring patterns connected to circuits of the plurality of circuits, a plurality of dummy patterns electrically isolated from the plurality of circuits, and an interlayer dielectric film that is spin-coated directly onto the wiring patterns and onto the dummy patterns, and that is a spin-coated layer, the dummy patterns being formed in areas where the wiring patterns are absent and lying substantially in a plane in which the wiring patterns lie; and a semiconductor thin film layer including semiconductor device elements and disposed on an upper most surface of the one or more wiring layers. The spin-coated layer may be formed of an organic material or an oxide material.Type: GrantFiled: March 26, 2007Date of Patent: April 19, 2011Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Hiroyuki Fujiwara, Masataka Muto, Tomohiko Sagimori, Tomoki Igari
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Semiconductor light emitting device with stress absorber, LED printhead, and image forming apparatus
Patent number: 7893455Abstract: An inclined surface having an inclination angle ? is formed in an edge portion which forms an opening portion of an inter-layer insulating film, thereby reducing a stress by the inclined surface.Type: GrantFiled: April 23, 2007Date of Patent: February 22, 2011Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Hiroyuki Fujiwara, Masataka Muto, Tomoki Igari, Hiroshi Kurokawa -
Publication number: 20110024788Abstract: A semiconductor composite apparatus includes a substrate and a planarizing layer, and a semiconductor thin film. The planarizing layer is formed on the substrate either directly or indirectly. The planarizing layer includes a first surface that faces the substrate, and a second surface that is on the side of the planarizing layer remote from the substrate. The semiconductor thin film formed on the planarizing layer. The second surface has a roughness of not more than 5 nm.Type: ApplicationFiled: October 12, 2010Publication date: February 3, 2011Applicant: OKI DATA CORPORATIONInventors: Mitsuhiko OGIHARA, Masataka MUTO, Tomoki IGARI, Takahito SUZUKI
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Patent number: 7847298Abstract: A semiconductor composite apparatus includes a substrate and a planarizing layer, and a semiconductor thin film. The planarizing layer is formed on the substrate either directly or indirectly. The planarizing layer includes a first surface that faces the substrate, and a second surface that is on the side of the planarizing layer remote from the substrate. The semiconductor thin film formed on the planarizing layer. The second surface has a roughness of not more than 5 nm.Type: GrantFiled: February 27, 2006Date of Patent: December 7, 2010Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Masataka Muto, Tomoki Igari, Takahito Suzuki