Patents by Inventor Tomoya Matsumoto
Tomoya Matsumoto 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: 20180291247Abstract: The refrigerator oil of the present invention is a refrigerator oil for a refrigerant including difluoromethane (R32), which contains a polyvinyl ether-based compound (A) including a constitutional unit (a1) having a methoxyethyl group in a side chain thereof.Type: ApplicationFiled: May 23, 2016Publication date: October 11, 2018Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Tadashi KISEN, Izumi TERADA, Mitsuru SHIBATA, Tomoya MATSUMOTO, So NAKAJIMA
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Publication number: 20180216024Abstract: The refrigerator oil according to the present invention includes a base oil including an oxygen-containing organic compound and a phosphorus-based compound represented by the following general formula (1). In the formula (1), n represents an integer of 1 to 10; R1 to R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; and Ar represents a divalent hydrocarbon group having 2 to 20 carbon atoms.Type: ApplicationFiled: August 26, 2015Publication date: August 2, 2018Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Tomoya MATSUMOTO, Masato KANEKO, Takashi KONDO
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Publication number: 20180103887Abstract: Disclosed herein is a technique for observing the insular cortex activity by using electroencephalograms. A method for sampling cerebral insular cortex activity includes: recording electroencephalograms (EEGs) provided by a plurality of EEG electrodes; creating a three-dimensional model in the form of a mesh in which a subject's brain is decomposed into a plurality of sites according to the subject's brain structure and positioning the plurality of EEG electrodes by reference to an image representing the subject's brain and head structure; creating a forward model by modeling a correlation between the activities of the respective brain sites of the three-dimensional model and an electroencephalogram distribution of the positioned EEG electrodes; and associating, by reference to information about a region of interest measured by functional magnetic resonance imaging (fMRI) and the forward model, data about the electroencephalograms recorded with the cerebral activity of the region of interest.Type: ApplicationFiled: August 9, 2017Publication date: April 19, 2018Applicant: HIROSHIMA UNIVERSITYInventors: Noriaki KANAYAMA, Kai MAKITA, Takashi SASAOKA, Masahiro MACHIZAWA, Tomoya MATSUMOTO, Shigeto YAMAWAKI
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Patent number: 9902917Abstract: The present invention is able to provide a lubricating oil composition having excellent thermal/chemical stability even when used for a compression refrigerating machine using a saturated fluorinated hydrocarbon refrigerant having a low carbon number and a low global warming potential, by using a refrigerant containing a saturated fluorinated hydrocarbon having from 1 to 3 carbon atoms, which uses, as a base oil, an oxygen-containing organic compound composed of at least one member selected from a polyoxyalkylene glycol, a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol and a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol monoether and a polyvinyl ether, and a polyol ester, each having a water content of not more than 500 ppm by mass.Type: GrantFiled: June 28, 2012Date of Patent: February 27, 2018Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Patent number: 9828567Abstract: A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a naphthalimide compound. A refrigerant used in a refrigerating machine in which the composition is used is unsaturated hydrofluorocarbon (unsaturated HFC) having a GWP of 1000 or less. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated fron refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.Type: GrantFiled: February 28, 2017Date of Patent: November 28, 2017Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Publication number: 20170335230Abstract: The lubricating oil composition for a refrigerator of the present invention is a lubricating oil composition for a refrigerator that is used in combination with a refrigerant containing at least one fluorine-containing organic compound selected from compounds represented by the following molecular formula (A): CpFrRs??(A) wherein R represents Cl, Br, I, or H; p represents an integer of from 2 to 6; r represents an integer of from 1 to 12; and s represents an integer of from 0 to 11, provided that the molecule contains at least one carbon-carbon unsaturated bond, and the lubricating oil composition for a refrigerator contains a base oil and a cyclic organic compound having a cyclic hydrocarbon structure and having one or more non-conjugated double bond in a cyclic structure or a side chain thereof.Type: ApplicationFiled: October 23, 2015Publication date: November 23, 2017Applicant: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya MATSUMOTO
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Patent number: 9790449Abstract: The present invention is able to provide a lubricating oil composition for compression refrigerating machine having excellent thermal/chemical stability even when used for a compression refrigerating machine using a saturated fluorinated hydrocarbon refrigerant having a low carbon number and a low global warming potential, by using a refrigerant containing a saturated fluorinated hydrocarbon having from 1 to 3 carbon atoms, which uses, as a base oil, an oxygen-containing organic compound composed of at least one member selected from a polyoxyalkylene glycol, a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol and a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol monoether and a polyvinyl ether, and a polyol ester, each having a hydroxyl value of not more than 15 mgKOH/g.Type: GrantFiled: June 28, 2012Date of Patent: October 17, 2017Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Publication number: 20170260473Abstract: The present invention is a lubricating oil for compression-type refrigerators using a difluoromethane (R32) refrigerant. The lubricating oil for compression-type refrigerators contains a first polyvinyl ether compound that is a polymer having a structural unit of a specific structure and has a carbon/oxygen molar ratio of from 3.0 to less than 4.0.Type: ApplicationFiled: May 24, 2017Publication date: September 14, 2017Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Tadashi KISEN, Tomoya MATSUMOTO
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Patent number: 9719044Abstract: A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a hydrocarbon compound having a biphenyl structure or a stilbene structure. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated chlorofluorocarbon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.Type: GrantFiled: March 21, 2013Date of Patent: August 1, 2017Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoya Matsumoto, Tadashi Kisen
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Patent number: 9683190Abstract: The present invention is a lubricating oil for compression-type refrigerators using a difluoromethane (R32) refrigerant. The lubricating oil for compression-type refrigerators contains a first polyvinyl ether compound that is a polymer having a structural unit of a specific structure and has a carbon/oxygen molar ratio of from 3.0 to less than 4.0.Type: GrantFiled: September 27, 2013Date of Patent: June 20, 2017Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tadashi Kisen, Tomoya Matsumoto
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Publication number: 20170166831Abstract: Provided is a refrigerator oil composition for a refrigerant containing an unsaturated fluorinated compound having a carbon-carbon unsaturated bond, which is represented by a general formula (I): C2FpR4-p, wherein R each independently represents a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom, and p represents an integer of 1 to 3. The composition contains a base oil (P) including one or more kinds selected from polyvinyl ethers, polyalkylene glycols, copolymers of a poly(oxy)alkylene glycol or a monoether thereof and polyvinyl ethers, and a polyol ester. The kinematic viscosity at 100° C. of the base oil (P) is 2.00 to 50.00 mm2/s, and the hydroxyl value thereof is 5.0 mgKOH/g or less. The refrigerator oil composition is excellent in compatibility with a refrigerant containing an unsaturated fluorinated compound having 2 carbon atoms and having a specific atom, and is also excellent in thermal stability.Type: ApplicationFiled: July 7, 2015Publication date: June 15, 2017Applicant: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya MATSUMOTO
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Publication number: 20170166832Abstract: A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a naphthalimide compound. A refrigerant used in a refrigerating machine in which the composition is used is unsaturated hydrofluorocarbon (unsaturated HFC) having a GWP of 1000 or less. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated fron refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.Type: ApplicationFiled: February 28, 2017Publication date: June 15, 2017Applicant: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya MATSUMOTO
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Patent number: 9644168Abstract: A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a coumarin compound. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated chlorofluorocarbon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.Type: GrantFiled: March 21, 2013Date of Patent: May 9, 2017Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoya Matsumoto, Tadashi Kisen
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Patent number: 9617497Abstract: A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a naphthalimide compound. A refrigerant used in a refrigerating machine in which the composition is used is unsaturated hydrofluorocarbon (unsaturated HFC) having a GWP of 1000 or less. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated freon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.Type: GrantFiled: March 21, 2013Date of Patent: April 11, 2017Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Publication number: 20160053154Abstract: It is to provide a lubricating oil composition for a compression refrigerator, which is excellent in the thermal/chemical stability even when used in a compression refrigerator that uses a saturated fluorinated hydrocarbon refrigerant having a lower global warming potential and a fewer carbon atoms, by including in a base oil an organic compound having a double bond in a molecule, which is at least one kind selected from an organic compound having at least two non-conjugated double bonds in the molecule, a terpene compound having a double bond in the molecule, and C12 to C30 aliphatic unsaturated hydrocarbon having one double bond in the molecule.Type: ApplicationFiled: November 4, 2015Publication date: February 25, 2016Applicant: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya MATSUMOTO
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Patent number: 9265754Abstract: Use of an S1P receptor modulator in the treatment or prevention of a disease or condition dependent on brain-derived neurotrophic factor (BDNF) expression.Type: GrantFiled: December 5, 2013Date of Patent: February 23, 2016Assignee: Novartis AGInventors: Yves-Alain Barde, Graeme Bilbe, Ruben Deogracias, Rainer R. Kuhn, Tomoya Matsumoto, Anis Khusro Mir, Anna Svenja Schubart
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Patent number: 9212303Abstract: It is to provide a lubricating oil composition for a refrigerating machine that has a low global warming potential, and that is used for a refrigerating machine using a refrigerant having a particular structure, such as an unsaturated fluorinated hydrocarbon compound, which is a refrigerant capable of being used for existing car air conditioner system, air conditioners and the like, and that has excellent compatibility with a refrigerant and excellent thermal and chemical stability, in which the lubricating oil composition is used for a refrigerating machine using a refrigerant containing at least one fluorine-containing organic compound selected from compounds represented by the following molecular formula (A), or a combination of the fluorine-containing organic compound and a saturated fluorinated hydrocarbon compound, and contains a base oil and a sulfur-containing aromatic compound: CpOqFrRs (A), wherein R represents any one of Cl, Br, I and H; p represents an integer of from 1 to 6; q represents an integType: GrantFiled: March 24, 2011Date of Patent: December 15, 2015Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Publication number: 20150275119Abstract: The present invention is a lubricating oil for compression-type refrigerators using a difluoromethane (R32) refrigerant. The lubricating oil for compression-type refrigerators contains a first polyvinyl ether compound that is a polymer having a structural unit of a specific structure and has a carbon/oxygen molar ratio of from 3.0 to less than 4.0.Type: ApplicationFiled: September 27, 2013Publication date: October 1, 2015Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Tadashi Kisen, Tomoya Matsumoto
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Patent number: 9115301Abstract: It is to provide a lubricating oil composition for a refrigerating machine that has a low global warming potential by including in a base oil an organic compound having two or more non-conjugated double bonds in the molecule thereof, and that is particularly preferably used for a refrigerating machine using a refrigerant having a particular structure, such as an unsaturated fluorinated hydrocarbon compound, which is a refrigerant capable of being used for existing car air conditioner system, air conditioners and the like, and that has excellent compatibility with the refrigerant and excellent thermal and chemical stability.Type: GrantFiled: March 24, 2011Date of Patent: August 25, 2015Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Publication number: 20150065407Abstract: A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a hydrocarbon compound having a biphenyl structure or a stilbene structure. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated chlorofluorocarbon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.Type: ApplicationFiled: March 21, 2013Publication date: March 5, 2015Applicant: IDEMITSU KOSAN CO., LTDInventors: Tomoya Matsumoto, Tadashi Kisen