Patents by Inventor Eiji Kamio
Eiji Kamio 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: 11872521Abstract: An air purifying system includes: a carbon dioxide remover including first and second spaces partitioned by a gas permeable membrane with 50 nm or less diameter micropores; a feed passage leading to-be-purified air from a room to the first space; a supply passage supplying clean gas having lower carbon dioxide and higher oxygen concentrations than the to-be-purified air to the second space; a discharge passage discharging, from the second space, mixed gas; a return passage leading purified air from the first space into the room, the purified air resulting from removing carbon dioxide from the to-be-purified air; and adjusting equipment adjusting a gas pressure in the first and second spaces to be substantially equal to each other. The to-be-purified air flows in the first space along a surface of the gas permeable membrane, and the clean gas flows in the second space along a surface of the gas permeable membrane.Type: GrantFiled: January 24, 2020Date of Patent: January 16, 2024Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Katsuya Umemoto, Kazuhiro Okumura, Kouji Fukumoto, Tomoaki Umemura, Hideto Matsuyama, Eiji Kamio
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Publication number: 20220134275Abstract: An air purifying system includes: a carbon dioxide remover including first and second spaces partitioned by a gas permeable membrane with 50 nm or less diameter micropores; a feed passage leading to-be-purified air from a room to the first space; a supply passage supplying clean gas having lower carbon dioxide and higher oxygen concentrations than the to-be-purified air to the second space; a discharge passage discharging, from the second space, mixed gas; a return passage leading purified air from the first space into the room, the purified air resulting from removing carbon dioxide from the to-be-purified air; and adjusting equipment adjusting a gas pressure in the first and second spaces to be substantially equal to each other. The to-be-purified air flows in the first space along a surface of the gas permeable membrane, and the clean gas flows in the second space along a surface of the gas permeable membrane.Type: ApplicationFiled: January 24, 2020Publication date: May 5, 2022Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Katsuya UMEMOTO, Kazuhiro OKUMURA, Kouji FUKUMOTO, Tomoaki UMEMURA, Hideto MATSUYAMA, Eiji KAMIO
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Publication number: 20220127293Abstract: To provide a liquid metal complex having an oxygen absorbing ability, containing a cobalt-acacen complex or a derivative thereof, and an ionic liquid in which an ionic ligand having an amine structure and a counter ion thereof are paired, in which the cobalt-acacen complex or the derivative thereof is expressed by general formula (1): and the liquid metal complex has a structure in which the amine structure of the ionic ligand is axially coordinated with a cobalt atom of the cobalt-acacen complex or the derivative thereof.Type: ApplicationFiled: March 4, 2020Publication date: April 28, 2022Inventors: Yasunori NAKANISHI, Hideto MATSUYAMA, Eiji KAMIO, Atsushi MATSUOKA
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Publication number: 20210261741Abstract: The present invention relates to a method for producing an ionic liquid-containing structure, including: an inorganic network structure forming step of forming a network structure of an inorganic compound in the presence of an ionic liquid; and a polymer network structure forming step of forming a polymer network structure of a prepolymer and a crosslinking agent in the presence of the ionic liquid.Type: ApplicationFiled: August 29, 2019Publication date: August 26, 2021Inventors: Naomichi KIMURA, Yuri ITO, Terukazu IHARA, Eiji KAMIO, Hideto MATSUYAMA, Masayuki KINOSHITA, Tomoki YASUI
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Publication number: 20200362140Abstract: An object of the present invention is to provide a method which can produce an ionic liquid-containing network structure with high productivity. A method for producing an ionic liquid-containing structure, which includes an inorganic particle network structure forming step of forming a network structure by inorganic particles in the presence of an ionic liquid, and a polymer network structure forming step of forming a network structure by polymerization of a monomer component containing at least a polar group-containing monomer in the presence of the ionic liquid is provided.Type: ApplicationFiled: November 21, 2018Publication date: November 19, 2020Inventors: Naomichi KIMURA, Yuri ITO, Terukazu IHARA, Akira SHIMAZU, Hideto MATSUYAMA, Eiji KAMIO, Tomoki YASUI
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Patent number: 10814269Abstract: A liquid having oxygen absorbing ability, comprising a cobalt-salen complex or a derivative thereof and an ionic liquid formed from an anion having an amine structure and a cation of an aliphatic quaternary phosphonium or ammonium having alkyl chains with each 2-20 carbon atoms, wherein the anion of the ionic liquid is coordinated to a cobalt ion of the cobalt-salen complex or a derivative thereof.Type: GrantFiled: January 19, 2017Date of Patent: October 27, 2020Assignees: SHARP KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORP. KOBE UNIVERSITYInventors: Yasunori Nakanishi, Hideto Matsuyama, Eiji Kamio, Atsushi Matsuoka
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Publication number: 20200316529Abstract: A method of producing a DN gel membrane includes a step (1) including producing a 1st gel membrane by (i) casting, on a substrate, a solution containing an ionic liquid A and an ionic liquid B, the ionic liquid A being made up of 1st monomers each of which has a polymerizable functional group and (ii) polymerizing the 1st monomers; and a step (2) including producing the DN gel membrane by (i) immersing the 1st gel membrane in a solution containing 2nd monomers which are different from the 1st monomers and (ii) polymerizing the 2nd monomers. This method allows for continuous-type production which is suitable for industrial mass production of DN gel membranes or acid gas separation membranes.Type: ApplicationFiled: May 29, 2017Publication date: October 8, 2020Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shohei KASAHARA, Yudai OTA, Hideto MATSUYAMA, Eiji KAMIO, Farhad MOGHADAM
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Publication number: 20190291046Abstract: An oxygen separation membrane includes a porous material and a liquid complex contained in the porous material. The complex contains a metal salen complex or a derivative thereof and a first ionic liquid. The first ionic liquid is constituted by an anion having an amine structure and an imidazolium cation, an aliphatic quaternary phosphonium cation, or an ammonium cation that have alkyl chains, alkylene oxide chains, or alkyl ether chains with each 2 to 20 carbon atoms. The anion of the first ionic liquid is axially coordinated to a central metal ion of the metal salen complex or the derivative thereof.Type: ApplicationFiled: July 10, 2017Publication date: September 26, 2019Inventors: Yasunori NAKANISHI, Hideto MATSUYAMA, Eiji KAMIO, Atsushi MATSUOKA
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Publication number: 20190001260Abstract: A liquid having oxygen absorbing ability, comprising a cobalt-salen complex or a derivative thereof and an ionic liquid formed from an anion having an amine structure and a cation of an aliphatic quaternary phosphonium or ammonium having alkyl chains with each 2-20 carbon atoms, wherein the anion of the ionic liquid is coordinated to a cobalt ion of the cobalt-salen complex or a derivative thereof.Type: ApplicationFiled: January 19, 2017Publication date: January 3, 2019Inventors: Yasunori NAKANISHI, Hideto MATSUYAMA, Eiji KAMIO, Atsushi MATSUOKA
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Patent number: 9827535Abstract: A steam permselective membrane containing a crosslinked hydrophilic polymer is provided. The steam permselective membrane may further contain at least one alkali metal compound selected from the group consisting of a cesium compound, a potassium compound and a rubidium compound.Type: GrantFiled: July 26, 2011Date of Patent: November 28, 2017Assignee: Renaissance Energy Research CorporationInventors: Osamu Okada, Eiji Kamio, Nobuaki Hanai, Miwako Obama
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Patent number: 9597632Abstract: Disclosed is a CO2 permselective membrane 1 having an amino acid ionic liquid and a porous membrane impregnated with the amino acid ionic liquid, wherein the amino acid ionic liquid contains a certain range of water.Type: GrantFiled: February 6, 2013Date of Patent: March 21, 2017Assignees: Renaissance Energy Research Corporation, National University Corporation Kobe UniversityInventors: Osamu Okada, Nobuaki Hanai, Eiji Kamio, Shohei Kasahara, Hideto Matsuyama
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Patent number: 9242206Abstract: In a gas separation apparatus that separates carbon dioxide and water vapor from a first mixture gas containing at least carbon dioxide, nitrogen and water vapor, the energy utilization efficiency thereof is improved. The gas separation apparatus is constructed to include a first separation membrane 33 and a second separation membrane 34 that are made of different materials. When the first mixture gas is supplied, the first separation membrane 33 separates a second mixture gas containing carbon dioxide and water vapor that permeate through the first separation membrane by allowing carbon dioxide and water vapor to permeate selectively. When the second mixture gas is supplied, the second separation membrane 34 separates water vapor that permeates through the second separation membrane 34 by allowing water vapor to permeate selectively.Type: GrantFiled: June 11, 2014Date of Patent: January 26, 2016Assignee: RENAISSANCE ENERGY RESEARCH CORPORATIONInventors: Osamu Okada, Masaaki Teramoto, Eiji Kamio, Nobuaki Hanai, Yasato Kiyohara
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Publication number: 20140377156Abstract: Disclosed is a CO2 permselective membrane 1 having an amino acid ionic liquid and a porous membrane impregnated with the amino acid ionic liquid, wherein the amino acid ionic liquid contains a certain range of water.Type: ApplicationFiled: February 6, 2013Publication date: December 25, 2014Applicants: NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, RENAISSANCE ENERGY RESEARCH CORPORATIONInventors: Osamu Okada, Nobuaki Hanai, Eiji Kamio, Shohei Kasahara, Hideto Matsuyama
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Publication number: 20140352540Abstract: CO2-facilitated transport membrane that can be applied to a CO2-permeable membrane reactor is stably provided. The CO2-facilitated transport membrane is provided such that a gel layer 1 composed of a hydrogel membrane is deposited onto a porous membrane 2. More preferably, the gel layer 1 deposited onto a hydrophilic porous membrane 2 is coated with and supported by hydrophobic porous membranes 3 and 4. The gel layer contains a deprotonating agent including an alkali metal element together with glycine. The deprotonating agent is preferably a carbonate or a hydroxide of an alkali metal element, and more preferably, the alkali metal element is potassium, cesium, or rubidium.Type: ApplicationFiled: July 26, 2012Publication date: December 4, 2014Applicant: RENAISSANCE ENERGY RESEARCH CORPORATIONInventors: Osamu Okada, Eiji Kamio, Masaaki Teramoto, Nobuaki Hanai, Hideto Matsuyama
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Publication number: 20140290479Abstract: In a gas separation apparatus that separates carbon dioxide and water vapor from a first mixture gas containing at least carbon dioxide, nitrogen and water vapor, the energy utilization efficiency thereof is improved. The gas separation apparatus is constructed to include a first separation membrane 33 and a second separation membrane 34 that are made of different materials. When the first mixture gas is supplied, the first separation membrane 33 separates a second mixture gas containing carbon dioxide and water vapor that permeate through the first separation membrane by allowing carbon dioxide and water vapor to permeate selectively. When the second mixture gas is supplied, the second separation membrane 34 separates water vapor that permeates through the second separation membrane 34 by allowing water vapor to permeate selectively.Type: ApplicationFiled: June 11, 2014Publication date: October 2, 2014Applicant: RENAISSANCE ENERGY RESEARCH CORPORATIONInventors: OSAMU OKADA, MASAAKI TERAMOTO, EIJI KAMIO, NOBUAKI HANAI, YASATO KIYOHARA
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Patent number: 8784531Abstract: In a gas separation apparatus that separates carbon dioxide and water vapor from a first mixture gas containing a predetermined major component gas, carbon dioxide, and water vapor, the energy utilization efficiency thereof is improved. Also, by utilizing the function of this gas separation apparatus, a membrane reactor and a hydrogen production apparatus exhibiting high energy utilization efficiency are provided. The gas separation apparatus is constructed to include a first separation membrane 33 and a second separation membrane 34 that are made of different materials. When the first mixture gas is supplied at a temperature of 100° C. or higher, the first separation membrane 33 separates a second mixture gas containing carbon dioxide and water vapor that permeate through the first separation membrane by allowing carbon dioxide and water vapor to permeate selectively.Type: GrantFiled: December 26, 2011Date of Patent: July 22, 2014Assignee: Renaissance Energy Research CorporationInventors: Osamu Okada, Masaaki Teramoto, Eiji Kamio, Nobuaki Hanai, Yasato Kiyohara
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Publication number: 20130287678Abstract: In a gas separation apparatus that separates carbon dioxide and water vapor from a first mixture gas containing a predetermined major component gas, carbon dioxide, and water vapor, the energy utilization efficiency thereof is improved. Also, by utilizing the function of this gas separation apparatus, a membrane reactor and a hydrogen production apparatus exhibiting high energy utilization efficiency are provided. The gas separation apparatus is constructed to include a first separation membrane 33 and a second separation membrane 34 that are made of different materials. When the first mixture gas is supplied at a temperature of 100° C. or higher, the first separation membrane 33 separates a second mixture gas containing carbon dioxide and water vapor that permeate through the first separation membrane by allowing carbon dioxide and water vapor to permeate selectively.Type: ApplicationFiled: December 26, 2011Publication date: October 31, 2013Applicant: Renaissance Energy CorporationInventors: Osamu Okada, Masaaki Teramoto, Eiji Kamio, Nobuaki Hanai, Yasato Kiyohara
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Publication number: 20130199370Abstract: A steam permselective membrane containing a crosslinked hydrophilic polymer is provided. The steam permselective membrane may further contain at least one alkali metal compound selected from the group consisting of a cesium compound, a potassium compound and a rubidium compound.Type: ApplicationFiled: July 26, 2011Publication date: August 8, 2013Applicant: RENAISSANCE ENERGY RESEARCH CORPORATIONInventors: Osamu Okada, Eiji Kamio, Nobuaki Hanai, Miwako Obama
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Publication number: 20100163114Abstract: A micro mixer including a first tubular member for guiding a first fluid to be directed in a first direction; a second tubular member having a discharge portion in the downstream portion of said first tubular member for guiding a second fluid to be directed in a direction opposite to said first direction, said discharge portion having a flow passage space narrower than the flow passage space of the downstream portion of the first tubular member; a first annular space defined by the downstream portion of the first tubular member and the discharge portion of the second tubular member for guiding a mixed fluid caused by colliding the first fluid flowing in the first tubular member with the second fluid flowing in the second tubular member in a counter-flow manner to be directed in the same direction as said first direction and further for increasing the pressure of said mixed fluid; a mixing-promoting space communicating with said first annular space for lowering the pressure of the mixed fluid discharged from sType: ApplicationFiled: March 14, 2008Publication date: July 1, 2010Applicant: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITYInventors: Hidekazu Yoshizawa, Eiji Kamio