Patents by Inventor Takuya Hirata
Takuya Hirata 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: 20190160420Abstract: A nitrogen oxide absorbing unit, a nitrogen oxide absorbing liquid extraction line, a nitrogen oxide absorbing liquid heating/regenerating unit, a released gas line, and a regenerated liquid discharge line are provided. The nitrogen oxide absorbing unit is configured to absorb and remove nitrogen oxides in exhaust gas with nitrogen oxide absorbing liquid by introducing the exhaust gas containing nitrogen oxides and carbon dioxide. Through the nitrogen oxide absorbing liquid extraction line, the circulating nitrogen oxide absorbing liquid is extracted from a nitrogen oxide absorbing liquid circulation line. The nitrogen oxide absorbing liquid heating/regenerating unit is configured to obtain released gas containing at least nitrogen monoxide and carbon dioxide and nitrogen oxide absorbing liquid regenerated liquid by subjecting the nitrogen oxide absorbing liquid to heating and regeneration treatment.Type: ApplicationFiled: January 24, 2018Publication date: May 30, 2019Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
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Publication number: 20190151794Abstract: The composite amine absorbing solution according to the present invention absorbs CO2 or H2S or both in a gas, and is obtained by dissolving a linear monoamine, a diamine, and an amide group-containing compound in water. By adopting this composite amine absorbing solution, the composites are interacting in a composite manner, due to an integrated effect of the components, the absorption property of CO2 or H2S or both is favorable, the desorption properties of the CO2 or H2S absorbed when regenerating the absorbing solution become favorable, and the amount of steam from a reboiler used when regenerating the absorbing solution in a CO2 recovery device can be reduced.Type: ApplicationFiled: January 30, 2018Publication date: May 23, 2019Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
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Publication number: 20190111385Abstract: An absorption column is equipped with: a CO2 absorption section absorbing CO2 from CO2-containing exhaust gas using a lean solution; a main rinse section recovering an entrained CO2 absorbent using rinse water; a rinse water circulation line circulating a rinse water containing the CO2 absorbent recovered in a liquid storage section of the main rinse section; a pre-rinse section provided between the CO2 absorption section and the main rinse section; a rinse section extraction liquid supply line extracting a portion of the rinse water containing the CO2 absorbent from the rinse water circulation line, and introducing the same into a reflux section of an absorption liquid regeneration tower; and a refluxed water supply line extracting a portion of refluxed water, introducing the same as pre-rinse water for the pre-rinse section, and connected on the pre-rinse section side.Type: ApplicationFiled: December 12, 2018Publication date: April 18, 2019Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINEERING LTD.Inventors: Hiroshi Tanaka, Takuya Hirata, Atsuhiro Yukumoto, Tsuyoshi Oishi, Takahiko Endo, Tatsuya Tsujiuchi
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Patent number: 10201781Abstract: An absorption column is equipped with: a CO2 absorption section absorbing CO2 from CO2-containing exhaust gas using a lean solution; a main rinse section recovering an entrained CO2 absorbent using rinse water; a rinse water circulation line circulating a rinse water containing the CO2 absorbent recovered in a liquid storage section of the main rinse section; a pre-rinse section provided between the CO2 absorption section and the main rinse section; a rinse section extraction liquid supply line extracting a portion of the rinse water containing the CO2 absorbent from the rinse water circulation line, and introducing the same into a reflux section of an absorption liquid regeneration tower; and a refluxed water supply line extracting a portion of refluxed water, introducing the same as pre-rinse water for the pre-rinse section, and connected on the pre-rinse section side.Type: GrantFiled: October 23, 2015Date of Patent: February 12, 2019Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Hiroshi Tanaka, Takuya Hirata, Atsuhiro Yukumoto, Tsuyoshi Oishi, Takahiko Endo, Tatsuya Tsujiuchi
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Publication number: 20190030480Abstract: A reclaiming device that separates an absorption liquid from a coexisting material other than an absorbent includes: a gas-liquid separator that accepts the absorption liquid to be reclaimed together with water and separates the absorption liquid into a non-volatile material and a vaporized material; a first discharged liquid line that introduces a first discharged liquid discharged from the gas-liquid separator into the gas-liquid separator at a position below an absorption liquid introduction port; a first heater, disposed on the first discharged liquid line, that heats the first discharged liquid; a second discharged liquid line that introduces a second discharged liquid discharged from the gas-liquid separator into the gas-liquid separator at a position below a first discharged liquid introduction port; and a mixing tank, disposed on the second discharged liquid line, that mixes the second discharged liquid with an alkaline agent.Type: ApplicationFiled: November 29, 2016Publication date: January 31, 2019Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
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Publication number: 20190022575Abstract: A CO2 recovery device includes an advanced desulfurization-cooling column that removes sulfur oxides in an exhaust gas and reduces a temperature of the exhaust gas; a CO2 absorption column that removes CO2 in the exhaust gas by bringing the CO2 into contact with a CO2 absorption liquid; and a regeneration column that recovers the CO2 by causing the CO2 absorption liquid to release the CO2 while regenerating the CO2 absorption liquid, and feeds the regenerated CO2 absorption liquid to the CO2 absorption column, where the advanced desulfurization-cooling column includes a circulating line that supplies and circulates a desulfurization-cooling circulation liquid used in order to conduct desulfurization and cooling from a lower part to an upper part of the advanced desulfurization-cooling column, a deep SOx recovery packed bed, and a first cooler that cools the circulation liquid.Type: ApplicationFiled: December 12, 2016Publication date: January 24, 2019Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
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Patent number: 10137407Abstract: An absorbent is prepared by dissolving in water 1) monoethanolamine (MEA) and 2) a primary amine represented by the following formula (1) and having high steric hindrance. Releasability of CO2 or H2S during regeneration of the absorbent is thereby improved, and the amount of water vapor used during regeneration of the absorbent in a facility for recovering CO2 or H2S can be reduced. R1 to R3: H or a hydrocarbon group having 1 to 3 carbon atoms, at least one of R1 to R3 being a hydrocarbon.Type: GrantFiled: April 25, 2013Date of Patent: November 27, 2018Assignees: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD., THE KANSAI ELECTRIC POWER CO., INC.Inventors: Hiroshi Tanaka, Hiromitsu Nagayasu, Takuya Hirata, Tsuyoshi Oishi, Takashi Kamijo
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Patent number: 10137415Abstract: Provided are a reclaimer 51 that introduces, through a branch line L11, and stores a part 17a of an absorbent 17 regenerated in a regenerator of a recovery unit that recovers CO2 or H2S in a gas, a first alkaline agent supply section 53A that supplies an alkaline agent 52 to the reclaimer 51, a heating section 54 that heats the absorbent 17 stored in the reclaimer 51 and to which the alkaline agent 52 has been mixed to obtain recovered vapor 61, a first vapor cooler 55A that cools the recovered vapor 61 discharged from the reclaimer 51 through a vapor line L12, a first gas-liquid separator 56A that separates a coexisting substance 62 entrained in the cooled recovered vapor 61 into a recovered absorption agent vapor (gas) 17b and the liquid coexisting substance 62 by gas-liquid separation, and an introduction line L13 that introduces the recovered absorption agent vapor 17b separated in the first gas-liquid separator 56A into a regenerator 20.Type: GrantFiled: October 22, 2014Date of Patent: November 27, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Hiroshi Tanaka, Hiromitsu Nagayasu, Takuya Hirata, Atsuhiro Yukumoto, Tsuyoshi Oishi, Shinsuke Nakatani
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Publication number: 20180318760Abstract: An acid gas recovery method includes removing acid gas from a target gas by bringing the target gas containing the acid gas into gas-liquid contact with an absorbent amine solution and causing the absorbent amine solution to absorb the acid gas; regenerating the absorbent amine solution by releasing the acid gas from the absorbent amine solution that has absorbed the acid gas; causing a chelate resin to adsorb iron ions from the absorbent amine solution by causing the absorbent amine solution to pass through the chelate resin; causing a regenerant solution to pass through a chelate resin having iron ions adsorbed thereon; regenerating the chelate resin and obtaining a regenerant solution containing the iron ions and quantitatively measuring the iron ions in the regenerant solution containing the iron ions and calculating a concentration of iron ions in the absorbent amine solution.Type: ApplicationFiled: October 20, 2016Publication date: November 8, 2018Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Takuya Hirata, Shinichi Okamoto, Hiromitsu Nagayasu, Masaru Chiyomaru, Tatsuya Tsujiuchi
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Publication number: 20180321122Abstract: A system for analyzing a CO2 concentration of an amine-based absorbing solution includes a measurement apparatus that measures a viscosity of the amine-based absorbing solution and at least one selected from conductivity and ultrasonic propagation velocity of the amine-based absorbing solution, wherein the amine-based absorbing solution absorbs and removes CO2 from a target gas by gas-liquid contact with the target gas; and a controller that determines the CO2 concentration of the amine-based absorbing solution from results measured by the measurement apparatus.Type: ApplicationFiled: October 26, 2016Publication date: November 8, 2018Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Takuya Hirata, Masakazu Sakaguchi, Tatsuya Tsujiuchi, Hiroshi Tanaka
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Publication number: 20180280867Abstract: An absorbent liquid which absorbs at least one of CO2 and H2S from a gas, including a secondary linear monoamine; a tertiary linear monoamine or a sterically hindered primary monoamine; and a secondary cyclic diamine, wherein a concentration of each of the secondary linear monoamine, the tertiary linear monoamine or the sterically hindered primary monoamine; and the secondary cyclic diamine is less than 30% by weight.Type: ApplicationFiled: September 23, 2016Publication date: October 4, 2018Applicants: Mitsubishi Heavy Industries Engineering, Ltd., The Kansai Electric Power Co., Inc.Inventors: Hiroshi Tanaka, Takuya Hirata, Masami Kondo, Takashi Kamijo, Tatsuya Tsujiuchi
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Patent number: 10065149Abstract: A gas-liquid contactor is obtained by including a header pipe for supplying washing water, in a direction perpendicular to a vertical axis direction, the header pipe being disposed above a packed bed contacting section through which exhaust gas moves upward and passes; and spray nozzles for discharging spray water, the nozzles being disposed, in an upward orientation, with predetermined intervals on the header pipe. The spray water that has been discharged from the spray nozzles is supplied at a low liquid flow rate. The discharged spray water becomes a liquid film and falls downward along the surface of the header pipe, and then falls and spreads in the packed bed contacting section, so that the washing water is made to contact the exhaust gas moving upward through the packed bed contacting section. Accordingly, the washing water is used to clear and remove water-soluble substances contained in the exhaust gas.Type: GrantFiled: January 21, 2015Date of Patent: September 4, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING LTD.Inventors: Hiroshi Tanaka, Hiromitsu Nagayasu, Takuya Hirata, Atsuhiro Yukumoto, Tsuyoshi Oishi, Takahiko Endo, Shimpei Kawasaki
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Patent number: 10016718Abstract: When CO2 gas is absorbed by using an absorbent circulating in an absorption tower and an absorbent regeneration tower, a first sampling part at which a lean solution sample is collected in the vicinity of an inlet for a lean solution supply line in the absorption tower, a second sampling part at which a rich solution sample is collected in the vicinity of an outlet for a rich solution supply line in the absorption tower, and an analyzing device which analyzes the collected lean solution sample and rich solution sample are provided; the lean solution sample at the first sampling part and the rich solution sample at the second sampling part are collected, respectively, in the same time period, and concentrations of CO2 gas in the lean solution sample and the rich solution sample are measured, and then the gas absorbing/regenerating operation is controlled based on measured results.Type: GrantFiled: January 21, 2015Date of Patent: July 10, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Shinichi Okamoto, Masaru Chiyomaru, Hiroshi Tanaka, Hiromitsu Nagayasu, Takuya Hirata, Tsuyoshi Oishi, Daisuke Shimada
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Patent number: 10010828Abstract: A filtration membrane device which uses a filter to collect solid contents remaining in a branched lean solution cleans the filter by using a low-concentration CO2 absorption liquid circulating within the system as cleaning water (containing the absorption liquid); rough cleaning, which returns the low-concentration CO2 absorption liquid used for cleaning to a lean solution supply line, is performed; the filter is finish-cleaned by cleaning water from outside the system which does not include the CO2 absorption liquid; the CO2 absorption liquid which is adhered to the solid contents is washed and removed; finish-cleaning water which includes the CO2 absorption liquid is returned to the lean solution supply line the moisture content within the system is maintained at a prescribed value by adjusting the water balance in an absorption tower and the concentration of the CO2 absorption liquid which circulates within the system is kept at a prescribed concentration.Type: GrantFiled: February 2, 2015Date of Patent: July 3, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Takuya Hirata, Hiromitsu Nagayasu, Hiroshi Tanaka, Tomoki Noborisato, Tsuyoshi Oishi
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Patent number: 9987279Abstract: The problem to be solved by the present invention is to provide a novel pharmaceutical composition for prevention and/or treatment of urinary incontinence, which differs from conventional drugs. The present invention provides a therapeutic agent for prevention and/or treatment of urinary incontinence having 1-[2-({[trans-3-fluoro-1-(3-fluoropyridin-2-yl)cyclobutyl]methyl}amino)pyrimidin-5-yl]-1H-pyrrole-3-carboxamide or a salt thereof, as an active ingredient.Type: GrantFiled: September 9, 2015Date of Patent: June 5, 2018Assignees: ASTELLAS PHARMA INC., CYTOKINETICS INCORPORATEDInventors: Shinobu Mori, Yusuke Kajihara, Hiroko Inamura, Takuya Hirata
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Patent number: 9919267Abstract: A gas-liquid contactor includes: a plurality of packing material sections through which exhaust gas passes; and a plurality of liquid distributors provided upon each of the plurality of packing material sections, dispersing a CO2 absorption liquid caused to come in contact with the exhaust gas, and supplying the CO2 absorption liquid to the plurality of packing material sections. The plurality of packing material sections include a first packing material layer and a second packing material layer that have provided therein flow paths (111a, 112a) for the CO2 absorption fluid that each extend in prescribed directions (D2, D3). The first packing material layer and the second packing material layer are characterized by being laminated such that the directions (D2, D3) of extension of the flow paths (111a, 112a) in the flow direction (D1) for the exhaust gas are different from each other.Type: GrantFiled: January 13, 2015Date of Patent: March 20, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroshi Tanaka, Hiromitsu Nagayasu, Takuya Hirata, Atsuhiro Yukumoto, Tsuyoshi Oishi, Yoshinori Kajiya
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Patent number: 9914088Abstract: A CO2 recovery unit for recovery and removal of CO2 in a CO2-containing flue gas using a CO2-absorbent within a CO2 absorber is provided. The CO2 absorber includes a CO2-absorbing unit for the absorption of CO2 in a CO2-containing flue gas, a main water rinsing unit that is provided on a gas flow downstream side of the CO2-absorbing unit and that uses rinsing water to recover the accompanying CO2-absorbent while cooling decarbonated flue gas, and a preliminary water rinsing unit provided between the CO2-absorbing unit and the main water rinsing unit. A portion of the rinsing water containing the CO2-absorbent that is circulated in the main water rinsing unit is withdrawn and is subjected to preliminary water rinsing in the preliminary water rinsing unit. The preliminary rinsing water is allowed to meet with a CO2-absorbent while allowing the rinsing water to directly flow down on the CO2-absorbing unit side.Type: GrantFiled: May 29, 2013Date of Patent: March 13, 2018Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., THE KANSAI ELECTRIC POWER CO., INC.Inventors: Hiroshi Tanaka, Hiromitsu Nagayasu, Takuya Hirata, Tsuyoshi Oishi, Takashi Kamijo
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Patent number: 9914482Abstract: The configuration of a vehicle side structure according to the present invention is characterized by including an upper pillar reinforcing member that forms an upper edge of a front door opening of a vehicle, a pillar hinge reinforcing member that forms a front edge of the front door opening, and a side sill strengthening member that forms a lower edge of the front door opening, wherein the pillar hinge reinforcing member has a hinge bulged portion that is bulged toward the vehicle exterior, along a vertical direction, the hinge bulged portion has at least one ridge line that is curved so as to protrude toward the vehicle front side, and the at least one ridge line links a joining point between the pillar hinge reinforcing member and the upper pillar reinforcing member and a joining point between the pillar hinge reinforcing member and the side sill strengthening member.Type: GrantFiled: May 29, 2015Date of Patent: March 13, 2018Assignee: SUZUKI MOTOR CORPORATIONInventor: Takuya Hirata
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Patent number: 9901872Abstract: An air pollution control system includes CO2 absorber that removes CO2, and an absorbent regenerator that releases CO2 from the amine absorbent. The CO2 absorber is equipped with a CO2 absorption unit that absorbs CO2 in the flue gas by the amine absorbent (lean solution), and a water-repellent filter unit that is provided on an upper part (gas flow downstream) side of the CO2 absorption unit and collects the mist amine absorbent accompanied by the CO2-free flue gas. The mist amine accompanied by the CO2-free flue gas is collected.Type: GrantFiled: June 5, 2013Date of Patent: February 27, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiromitsu Nagayasu, Takashi Kamijo, Yuichiro Sato, Takuya Hirata, Hiroshi Tanaka, Kouji Horizoe
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Patent number: 9901873Abstract: CO2 absorber includes a CO2 absorbing section in which a CO2-containing flue gas and a CO2 absorbent are brought into contact with each other to remove CO2, and an aqueous cleaning section in which a decarbonated flue gas and rinsing water are brought into contact with each other to remove an accompanying substance. A lean solution is re-used in the absorber. The CO2 recovery device includes a degassing basin which is interposed in a rich solution supply line that supplies the rich solution from the CO2 absorber to the absorbent regenerator, and which includes a retaining section configured to remove oxygen in the rich solution.Type: GrantFiled: July 31, 2013Date of Patent: February 27, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tsuyoshi Oishi, Hiromitsu Nagayasu, Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Daisuke Shimada