Patents by Inventor Takehiko Muramatsu
Takehiko Muramatsu 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: 20230356172Abstract: A carbon compound manufacturing system includes: a recovery unit; a conversion unit; a synthesis unit; a first flow path to supply the supply gas to the recovery unit; a second flow path connecting the recovery and the conversion units; a third flow path connecting the conversion and the synthesis units; at least one of first to third detectors to respectively measure a flow rate of the supply gas flowing through the first flow path to generate a first data signal, a flow rate of the carbon dioxide flowing through the second flow path to generate a second data signal, and a value of voltage or current to the conversion unit to generate a third data signal; and an integration controller to collate at least one data of the first to third data signals with a corresponding plan data to generate at least one of first to third control signals.Type: ApplicationFiled: May 25, 2023Publication date: November 9, 2023Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Koji MIZUGUCHI, Satoshi MIKOSHIBA, Ryota KITAGAWA, Takehiko MURAMATSU
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Patent number: 11701631Abstract: A carbon compound manufacturing system includes: a recovery unit; a conversion unit; a synthesis unit; a first flow path to supply the supply gas to the recovery unit; a second flow path connecting the recovery and the conversion units; a third flow path connecting the conversion and the synthesis units; at least one of first to third detectors to respectively measure a flow rate of the supply gas flowing through the first flow path to generate a first data signal, a flow rate of the carbon dioxide flowing through the second flow path to generate a second data signal, and a value of voltage or current to the conversion unit to generate a third data signal; and an integration controller to collate at least one data of the first to third data signals with a corresponding plan data to generate at least one of first to third control signals.Type: GrantFiled: August 31, 2021Date of Patent: July 18, 2023Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Koji Mizuguchi, Satoshi Mikoshiba, Ryota Kitagawa, Takehiko Muramatsu
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Publication number: 20220314161Abstract: According to one embodiment, a gas processing equipment includes an oxygen remover 2 that removes oxygen contained in exhaust gas G, and a gas processing device 3 that processes pretreated exhaust gas G (P), from which the oxygen has been removed by the oxygen remover 2, with a carbon dioxide absorbent solvent S as a treatment agent.Type: ApplicationFiled: March 15, 2022Publication date: October 6, 2022Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Daigo MURAOKA, Koshito FUJITA, Shinji MURAI, Hayato MORIGAKI, Osamu SHIBASAKI, Yasuhiro KATO, Satoshi SAITO, Takehiko MURAMATSU, Ryosuke SHIBATA, Yusuke HANDA
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Publication number: 20220297077Abstract: A carbon compound manufacturing system includes: a recovery unit; a conversion unit; a synthesis unit; a first flow path to supply the supply gas to the recovery unit; a second flow path connecting the recovery and the conversion units; a third flow path connecting the conversion and the synthesis units; at least one of first to third detectors to respectively measure a flow rate of the supply gas flowing through the first flow path to generate a first data signal, a flow rate of the carbon dioxide flowing through the second flow path to generate a second data signal, and a value of voltage or current to the conversion unit to generate a third data signal; and an integration controller to collate at least one data of the first to third data signals with a corresponding plan data to generate at least one of first to third control signals.Type: ApplicationFiled: August 31, 2021Publication date: September 22, 2022Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Koji MIZUGUCHI, Satoshi MIKOSHIBA, Ryota KITAGAWA, Takehiko MURAMATSU
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Patent number: 11278842Abstract: Disclosed herein are acid gas absorbents that afford high acid gas (CO2) absorption amount per unit volume and high absorption speed and can prevent the absorbent components from diffusing.Type: GrantFiled: August 20, 2020Date of Patent: March 22, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shinji Murai, Yukishige Maezawa, Tetsuya Kaseda, Takehiko Muramatsu, Satoshi Saito, Mitsuru Udatsu, Daigo Muraoka, Masatoshi Hodotsuka
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Publication number: 20200376428Abstract: Disclosed herein are acid gas absorbents that afford high acid gas (CO2) absorption amount per unit volume and high absorption speed and can prevent the absorbent. components from diffusing.Type: ApplicationFiled: August 20, 2020Publication date: December 3, 2020Applicants: KABUSHIKI KASSHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shinji MURAI, Yukishige MAEZAWA, Tetsuya KASEDA, Takehiko MURAMATSU, Satoshi SAITO, Mitsuru UDATSU, Daigo MURAOKA, Masatoshi HGDOTSUKA
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Patent number: 10850227Abstract: Disclosed herein are acid gas absorbents that afford high acid gas (CO2) absorption amount per unit volume and high absorption speed and can prevent the absorbent components from diffusing. Also disclosed herein is a method and device for removing an acid gas, in which the energy required for separating the acid gas and regenerating the absorbent is reduced, are provided.Type: GrantFiled: November 27, 2018Date of Patent: December 1, 2020Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shinji Murai, Yukishige Maezawa, Tetsuya Kaseda, Takehiko Muramatsu, Satoshi Saito, Mitsuru Udatsu, Daigo Muraoka, Masatoshi Hodotsuka
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Publication number: 20190160422Abstract: Disclosed herein are acid gas absorbents that afford high acid gas (CO2) absorption amount per unit volume and high absorption speed and can prevent the absorbent components from diffusing. Also disclosed herein is a method and device for removing an acid gas, in which the energy required for separating the acid gas and regenerating the absorbent is reduced, are provided.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shinji Murai, Yukishige Maezawa, Tetsuya Kaseda, Takehiko Muramatsu, Satoshi Saito, Mitsuru Udatsu, Daigo Muraoka, Masatoshi Hodotsuka
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Patent number: 10046269Abstract: There are provided an acidic gas absorbing agent that is large in recovery amount of an acidic gas. The acidic gas absorbing agent comprising an amine compound represented by general formula (1), and an acidic gas removing method and an acidic gas removing apparatus using the absorbing agent: wherein R1 represents a cycloalkyl group having 3 to 6 carbon atoms; R2 represents an alkyl group having 1 to 3 carbon atoms or a hydrogen atom; R3 and R4 each independently represent an alkyl group having 1 to 3 carbon atoms or a hydrogen atom; and R5 represents an alkyl group having 1 to 3 carbon atoms.Type: GrantFiled: April 4, 2016Date of Patent: August 14, 2018Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Shinji Murai, Yasuhiro Kato, Takehiko Muramatsu, Satoshi Saito, Daigo Muraoka, Yukishige Maezawa
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Patent number: 9901862Abstract: A carbon dioxide recovery system includes an absorption tower in which carbon dioxide is absorbed into an absorbing solution then the absorbing solution is output to a regeneration tower in which carbon dioxide is released from the absorbing solution. The regeneration tower outputs the absorbing solution from which carbon dioxide has been released and an exhaust gas included released carbon dioxide and water vapor. In a condensing section the exhaust gas is separated into dioxide gas stream and a condensed water stream. In a mixing section the condensed water is mixed with an amine to a replenishment amine aqueous solution in which the amine is dissolved in the condensed water. In a replenishment section the absorbing solution is mixed with the replenishment amine aqueous solution.Type: GrantFiled: May 8, 2014Date of Patent: February 27, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Yasuhiro Kato, Shinji Murai, Takehiko Muramatsu, Satoshi Saito
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Patent number: 9724642Abstract: An acid gas absorbent includes at least one kind of secondary amine compound represented by formula (1): where R1 is a cyclopentyl group or a cyclohexyl group which may be substituted by a substituted or non-substituted alkyl group having 1 to 3 carbon atoms, R2 and R3 each indicate an alkylene group having 2 to 4 carbon atoms, and R2 and R3 may each be the same or different, and be a straight chain or have a side chain.Type: GrantFiled: November 28, 2014Date of Patent: August 8, 2017Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Shinji Murai, Yukishige Maezawa, Yasuhiro Kato, Takehiko Muramatsu, Masatoshi Hodotsuka, Satoshi Saito
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Publication number: 20160296882Abstract: There are provided an acidic gas absorbing agent that is large in recovery amount of an acidic gas. The acidic gas absorbing agent comprising an amine compound represented by general formula (1), and an acidic gas removing method and an acidic gas removing apparatus using the absorbing agent: wherein R1 represents a cycloalkyl group having 3 to 6 carbon atoms; R2 represents an alkyl group having 1 to 3 carbon atoms or a hydrogen atom; R3 and R4 each independently represent an alkyl group having 1 to 3 carbon atoms or a hydrogen atom; and R5 represents an alkyl group having 1 to 3 carbon atoms.Type: ApplicationFiled: April 4, 2016Publication date: October 13, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinji MURAI, Yasuhiro KATO, Takehiko MURAMATSU, Satoshi SAITO, Daigo MURAOKA, Yukishige MAEZAWA
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Patent number: 9446346Abstract: There is provided an acidic gas absorbing agent that is large in absorption amount and high in absorption rate of an acidic gas per unit volume and can prevent the diffusion of ingredients of the absorbing agent. The acidic gas absorbing agent includes an amino acid salt of formula 1 or formula 2 and an amine compound of formula 3. wherein COOMe represents a carboxylate group; Me represents an alkali metal. R1 and R2 represent an C1-4 alkylene chain; R3 represents a cycloalkyl group; R4 represents a hydrogen atom or an C1-4 alkyl group; and R5 represents a hydroxyalkyl group.Type: GrantFiled: November 10, 2015Date of Patent: September 20, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Shinji Murai, Yasuhiro Kato, Takehiko Muramatsu, Satoshi Saito
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Patent number: 9409119Abstract: An acid gas absorbent of which recovery amount of acid gas such as carbon dioxide is high, and an acid gas removal device and an acid gas removal method using the acid gas absorbent are provided. The acid gas absorbent of the embodiment comprising at least one type of tertiary amine compound represented by the following general formula (1). (In the above-stated formula (1), either one of the R1, R2 represents a substituted or non-substituted alkyl group of which carbon number is 2 to 5, and the other one represents a substituted or non-substituted alkyl group of which carbon number is 1 to 5. The R3 represents a methyl group or an ethyl group, and the R4 represents a hydroxyalkyl group. The R1, R2 may either be the same or different, and they may be coupled to form a cyclic structure.Type: GrantFiled: December 20, 2011Date of Patent: August 9, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Shinji Murai, Yukishige Maezawa, Yasuhiro Kato, Takehiko Muramatsu, Satoshi Saito, Hiroko Watando, Naomi Shida, Reiko Yoshimura, Takashi Kuboki
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Publication number: 20160136568Abstract: There is provided an acidic gas absorbing agent that is large in absorption amount and high in absorption rate of an acidic gas per unit volume and can prevent the diffusion of ingredients of the absorbing agent. The acidic gas absorbing agent includes an amino acid salt of formula 1 or formula 2 and an amine compound of formula 3. wherein COOMe represents a carboxylate group; Me represents an alkali metal. R1 and R2 represent an C1-4 alkylene chain; R3 represents a cycloalkyl group; R4 represents a hydrogen atom or an C1-4 alkyl group; and R5 represents a hydroxyalkyl group.Type: ApplicationFiled: November 10, 2015Publication date: May 19, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinji MURAI, Yasuhiro KATO, Takehiko MURAMATSU, Satoshi SAITO
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Patent number: 9181174Abstract: A method for isolating an amino alcohol simply from an amino alcohol aqueous solution containing a heterocyclic amine compound is provided. The method is a method for isolating a tertiary amino alcohol from a tertiary amino alcohol aqueous solution containing a heterocyclic amine compound, and for generating an enamine by adding a ketone to the tertiary amino alcohol aqueous solution, isolating the enamine from the tertiary amino alcohol aqueous solution, and isolating the tertiary amino alcohol from a residual liquid obtained by isolating the enamine.Type: GrantFiled: March 19, 2014Date of Patent: November 10, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Shinji Murai, Takehiko Muramatsu, Daigo Muraoka, Satoshi Saito
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Publication number: 20150246313Abstract: According to one embodiment, a CO2 recovery apparatus 10 includes: an absorption tower 11 in which a lean solution 22 is allowed to absorb CO2 in a discharge gas 21; a first heat exchange unit 12 in which a rich solution 23 is heated to from 50 to 100° C. to allow the rich solution 23 to have a mixed phase including two phases of a CO2-rich phase 31 and a CO2-lean phase 32; a phase separation unit 13 in which the rich solution 23 is separated into a CO2-rich phase 31 and a CO2-lean phase 32; and a regeneration tower 16 in which CO2 contained In a separated CO2-rich solution 46 including the CO2-rich phase 31 is separated to regenerate the rich solution 23.Type: ApplicationFiled: December 8, 2014Publication date: September 3, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takashi OGAWA, Shinji MURAI, Takehiko MURAMATSU, Satoshi SAITO
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Publication number: 20150174530Abstract: An acid gas removal apparatus of one embodiment includes: an absorption tower bringing gas containing acid gas into contact with an acid gas absorbent of a solution containing a thermosensitive nitrogen-containing compound (formula (1)) and having LCST at a predetermined temperature to absorb the acid gas into the absorbent and remove the acid gas from the gas; a first heater heating the absorbent to LCST of the solution or more; a tank phase-separating the absorbent into a rich absorbent phase and a lean absorbent phase whose content of the thermosensitive compound is higher; a second heater heating the rich phase; a regeneration tower releasing the acid gas in the rich phase; a third heater provided at the regeneration tower heating the rich phase. (R1 is hydroxyalkyl group, R2 is non-substituted cyclic alkyl group whose carbon number is 3-10, R3 is hydrogen atom or non-substituted alkyl group.Type: ApplicationFiled: December 16, 2014Publication date: June 25, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinji Murai, Takehiko Muramatsu, Takashi Ogawa, Satoshi Saito
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Publication number: 20150151246Abstract: An acid gas absorbent according to an embodiment includes at least one kind of secondary amine compound represented by the following general formula (1). In the above-described formula (1), R1 indicates a cyclopenthyl group or a cyclohexyl group in which a part of a hydrogen atom may be substituted by a substituted or non-substituted alkyl group having 1 to 3 carbon atoms, R2 and R3 each indicate an alkylene group having 2 to 4 carbon atoms, and, R2 and R3 may each be the same or different, and be a straight chain or have a side chain.Type: ApplicationFiled: November 28, 2014Publication date: June 4, 2015Applicant: Kabushiki Kaisha ToshibaInventors: Shinji MURAI, Yukishige MAEZAWA, Yasuhiro KATO, Takehiko MURAMATSU, Masatoshi HODOTSUKA, Satoshi SAITO
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Publication number: 20150044114Abstract: An acid gas absorbent according to an embodiment includes at least one kind of amino acid salt represented by the following general formula (1). In the above-described formula (1), R1 indicates a cyclic alkyl group having 3 to 8 carbon atoms, R2 indicates a cyclic alkyl group having 3 to 8 carbon atoms, a chain alkyl group having 1 to 8 carbon atoms, or a hydrogen atom, R3 indicates a methylene group, an alkylene group having 2 to 4 carbon atoms, an alkylidene group having 2 to 4 carbon atoms, or a polymethylene group having 3 to 4 carbon atoms, and M indicates alkali metal.Type: ApplicationFiled: August 4, 2014Publication date: February 12, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinji MURAI, Yasuhiro KATO, Yukishige MAEZAWA, Takehiko MURAMATSU, Daigo MURAOKA, Satoshi SAITO