Patents by Inventor Akiyoshi Manabe
Akiyoshi Manabe 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: 20180175425Abstract: Electric power energy required in an alkaline water electrolytic device and an alkaline fuel cell for continuing an electrolytic treatment, a hydrogen gas and an oxygen gas serving as raw materials for the electric power energy, an amount of water corresponding to raw water lost through the electrolytic treatment, and an electrolytic solution are efficiently circulated and used in a water treatment system to considerably reduce electric power consumption.Type: ApplicationFiled: June 16, 2016Publication date: June 21, 2018Applicant: DE NORA PERMELEC LTDInventors: Akiyoshi MANABE, Fumiya TSUJII, Akihiro KATO
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Publication number: 20180171494Abstract: A diaphragm includes a porous supporting body and a polymer porous membrane. When one of surfaces of the porous membrane is defined as a surface A, the other surface opposite to the surface A is defined as a surface B, a section of the porous membrane parallel to the surfaces A and B is defined as a section C, an average pore diameter on the surface A is defined as an average pore diameter DA, an average pore diameter on the surface B is defined as an average pore diameter DB, and an average pore diameter on the section C is defined as an average pore diameter DC, the average pore diameters DA and DB are substantially equal to each other, and the average pore diameter DC is larger than each of the average pore diameters DA and DB.Type: ApplicationFiled: May 16, 2016Publication date: June 21, 2018Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, DE NORA PERMELEC LTD, THYSSENKRUPP UHDE CHLORINE ENGINEERS (JAPAN) LTD.Inventors: Takafumi ITO, Ikuo SHIMOMURA, Yuji KAMEI, Akiyoshi MANABE, Akihiro KATO, Terumi HASHIMOTO
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Patent number: 9890062Abstract: An electrolytic enrichment method for heavy water includes enriching heavy water by electrolysis using an alkaline water electrolysis cell including an anode chamber that holds an anode, a cathode chamber that holds a cathode, and a diaphragm.Type: GrantFiled: July 24, 2014Date of Patent: February 13, 2018Assignee: INDUSTRIE DE NORA S.P.A.Inventors: Akiyoshi Manabe, Yoshinori Nishiki, Akira Kunimatsu
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Patent number: 9818496Abstract: The present invention relates to a method for treating tritium water-containing raw water, the method including supplying a part of raw water containing tritium water and alkali water to a circulation tank, mixing the raw water with alkali water in the circulation tank to obtain an electrolyte adjusted so as to have a desired alkali concentration, and continuously electrolyzing the electrolyte while circulating the electrolyte, thereby subjecting the raw water stored in the storage tank to alkali water electrolysis and thus gasifying the raw water. According to the invention, by gasifying tritium water-containing raw water by alkali water electrolysis, the tritium concentration in a tritium-containing hydrogen gas is diluted to 1/1,244 and the tritium water-containing raw water can be reduced in volume.Type: GrantFiled: January 28, 2015Date of Patent: November 14, 2017Assignee: DE NORA PERMELEC LTDInventors: Akiyoshi Manabe, Masahiro Ohara, Yoshinori Nishiki, Akira Kunimatsu
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Publication number: 20170314145Abstract: An organic hydride production apparatus that enables the reduction reaction at the cathode of an organic compound having an unsaturated bond to proceed at high current efficiency and at a low electric power consumption rate, and a method for producing an organic hydride that uses this production apparatus.Type: ApplicationFiled: November 19, 2015Publication date: November 2, 2017Applicants: NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, DE NORA PERMELEC LTD.Inventors: Shigenori MITSUSHIMA, Yasutomo TAKAKUWA, Yoshinori NISHIKI, Akihiro KATO, Akiyoshi MANABE
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Publication number: 20170292198Abstract: To provide an electrolysis cell for producing an organic chemical hydride capable of advancing a reduction reaction in a cathode of an organic compound having an unsaturated bond with high current efficiency and a small electric power consumption unit.Type: ApplicationFiled: September 18, 2015Publication date: October 12, 2017Applicants: NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, De Nora Permelec Ltd.Inventors: Shigenori MITSUSHIMA, Yasutomo TAKAKUWA, Yoshinori NISHIKI, Akihiro KATO, Akiyoshi MANABE
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Publication number: 20170206991Abstract: The present invention relates to a method for treating tritium water-containing raw water, the method including supplying a part of raw water containing tritium water and alkali water to a circulation tank, mixing the raw water with alkali water in the circulation tank to obtain an electrolyte adjusted so as to have a desired alkali concentration, and continuously electrolyzing the electrolyte while circulating the electrolyte, thereby subjecting the raw water stored in the storage tank to alkali water electrolysis and thus gasifying the raw water. According to the invention, by gasifying tritium water-containing raw water by alkali water electrolysis, the tritium concentration in a tritium-containing hydrogen gas is diluted to 1/1,244 and the tritium water-containing raw water can be reduced in volume.Type: ApplicationFiled: January 28, 2015Publication date: July 20, 2017Applicant: De Nora Permelec Ltd.Inventors: Akiyoshi MANABE, Masahiro OHARA, Yoshinori NISHIKI, Akira KUNIMATSU
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Publication number: 20170130344Abstract: A device for producing an organic hydride 10 of an aspect of the present invention has an electrochemical cell provided with an anode 12 on a surface of an electrolyte membrane 11 and a cathode including a cathode catalyst layer 13 and a cathode diffusion layer 14 on another surface of the electrolyte membrane 11. A gap is provided between the anode 12 and the electrolyte membrane 11. The anode 12 has a network structure with an aperture ratio of 30 to 70%, and has an electrical supply supporting material formed of an electronic conductor and the electrode catalyst held by the electrical supply supporting material.Type: ApplicationFiled: March 24, 2015Publication date: May 11, 2017Inventors: Shigenori MITSUSHIMA, Yasutomo TAKAKUWA, Yoshinori NISHIKI, Akihiro KATO, Akiyoshi MANABE, Yasushi SATO, Kota MIYOSHI, Kojiro NAKAGAWA, Shinji OSHIMA
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Publication number: 20160368789Abstract: An electrolytic enrichment method for heavy water includes enriching heavy water by electrolysis using an alkaline water electrolysis cell including an anode chamber that holds an anode, a cathode chamber that holds a cathode, and a diaphragm.Type: ApplicationFiled: July 24, 2014Publication date: December 22, 2016Inventors: Akiyoshi MANABE, Yoshinori NISHIKI, Akira KUNIMATSU
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ALKALINE WATER ELECTROLYSIS DIAPHRAGM, METHOD OF MANUFACTURING SAME, AND ALKALINE WATER ELECTROLYZER
Publication number: 20160312371Abstract: An alkaline water electrolysis diaphragm includes: a polymer porous layer containing at least one polymer compound selected from polyether sulfone having a contact angle of 20 to 90° and polysulfone having the contact angle of 20 to 90°; and an organic fiber fabric layer coupled to the polymer porous layer. The polyether sulfone having the contact angle of 20 to 90° is at least one polymer compound selected from the group made of polyether sulfone, hydrophilic polyether sulfone, cationic polyether sulfone, and cationic hydrophilic polyether sulfone. The polysulfone having the contact angle of 20 to 90° is at least one polymer compound selected from the group made of polysulfone, hydrophilic polysulfone, cationic polysulfone, and cationic hydrophilic polysulfone.Type: ApplicationFiled: December 16, 2014Publication date: October 27, 2016Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, DE NORA PERMELEC LTD, thyssenkrupp UHDE CHLORINE ENGINEERS (JAPAN) LTD.Inventors: Yuji KAMEI, Koki TAGUCHI, Ikuo SHIMOMURA, Takafumi ITO, Jun KAWAGUCHI, Tomonori TAKASE, Akihiro KATO, Akiyoshi MANABE, Terumi HASHIMOTO -
Publication number: 20160237578Abstract: An anode for alkaline water electrolysis includes a conductive substrate having at least a surface made of nickel or a nickel-base alloy and a lithium-containing nickel oxide catalytic layer formed on a surface of the substrate. The molar ratio (Li/Ni) of lithium and nickel in the catalytic layer is in the range of 0.005 to 0.15.Type: ApplicationFiled: October 29, 2014Publication date: August 18, 2016Inventors: Hiroki ICHIKAWA, Shigenori MITSUSHIMA, Ikuo NAGASHIMA, Yoshio SUNADA, Akihiro KATO, Liang YIN, Akiyoshi MANABE, Yoshinoñ NISHIKI
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Patent number: 7700055Abstract: A hydrogen combustion system comprising: an external cylinder 1 constituting the exterior of a double tube construction; an internal cylinder 2 formed by a porous metal plate constituting the interior of said double tube construction; hydrogen combustion catalyst 4 supported with precious metals on spherical ceramic support surface, formed in pellet state, being packed in said internal cylinder 2; an insert pipe 3 formed by porous metal plate inserted in the center of said internal cylinder 2; pre-heating heaters 5 installed between said insert pipe 3 and said internal cylinder 2 to preheat said hydrogen combustion catalyst 4 to ambient atmosphere of over catalytic reaction temperatures; a hydrogen introducing port 8 connecting to said insert pipe 3; an air introducing port 9 provided at the bottom of said external cylinder 1 in the area between said external cylinder 1 and said internal cylinder 2, wherein air for hydrogen combustion is introduced by the drift effect resulting from the differential pressureType: GrantFiled: July 20, 2007Date of Patent: April 20, 2010Assignee: Chlorine Engineers Corp., Ltd.Inventors: Akiyoshi Manabe, Masaaki Kato, Kazumasa Mochizuki, Masakazu Mimura
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Publication number: 20080179185Abstract: According to the system by the present invention, multiple numbers of grooves 13 are formed on the internal surface of said anode compartment frame 6 and said cathode compartment frame 12, an anolyte gas-liquid separation tower 4 to separate anolyte from ozone-containing gas generated from said anode compartment 1, being connected to said anode compartment 1 and a catholyte gas-liquid separation tower 5 to separate catholyte from hydrogen gas generated from said cathode compartment 2, being connected to said cathode compartment 2 are installed outside of said electrolytic cell 3 for ozone producing; achieving enhanced cooling effect of anolyte and catholyte and producing ozone gas at a high efficiency.Type: ApplicationFiled: August 2, 2007Publication date: July 31, 2008Applicant: CHLORINE ENGINEERS CORP., LTD.Inventors: Terumi Hashimoto, Masaaki Kato, Akiyoshi Manabe
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Publication number: 20080060936Abstract: In an ozone producing electrolytic cell for producing ozone gas by water electrolysis, said anode compartment 1, said cathode compartment 2, said anode compartment frame 6, said anode 8, said ion exchange membrane 9, said cathode 10, said current collector 11, and said cathode compartment frame 12 constituting the electrolytic cell for ozone production 3 are all in the same shape of square or rectangular; and multiple numbers of grooves 13 are formed on the internal surfaces of said anode compartment frame 6 and said cathode compartment frame 12, thereby reducing current density to suppress load on the electrolytic cell for ozone production, even under a given current value supplied to the electrolytic cells for producing ozone.Type: ApplicationFiled: September 5, 2007Publication date: March 13, 2008Applicant: CHLORINE ENGINEERS CORP., LTD.Inventors: Terumi Hashimoto, Masaaki Kato, Akiyoshi Manabe
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Publication number: 20080025886Abstract: A hydrogen combustion system comprising: an external cylinder 1 constituting the exterior of a double tube construction; an internal cylinder 2 formed by a porous metal plate constituting the interior of said double tube construction; hydrogen combustion catalyst 4 supported with precious metals on spherical ceramic support surface, formed in pellet state, being packed in said internal cylinder 2; an insert pipe 3 formed by porous metal plate inserted in the center of said internal cylinder 2; pre-heating heaters 5 installed between said insert pipe 3 and said internal cylinder 2 to preheat said hydrogen combustion catalyst 4 to ambient atmosphere of over catalytic reaction temperatures; a hydrogen introducing port 8 connecting to said insert pipe 3; an air introducing port 9 provided at the bottom of said external cylinder 1 in the area between said external cylinder 1 and said internal cylinder 2, wherein air for hydrogen combustion is introduced by the drift effect resulting from the differential pressureType: ApplicationFiled: July 20, 2007Publication date: January 31, 2008Applicant: CHLORINE ENGINEERS CORP., LTD.Inventors: Akiyoshi Manabe, Masaaki Kato, Kazumasa Mochizuki, Masakazu Mimura
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Patent number: 6416904Abstract: An improved design and manufacturing method is disclosed for calendered, double side segment coated webs. By staggering the leading edges and/or the trailing edges of the segment coatings on one side of the web from those on the other side, web damage, including the incidence of breakage, can be reduced. Further, vibration and wear on the calendering apparatus can be reduced. The invention is particularly useful for heavily calendered webs such as the electrodes in non-aqueous rechargeable lithium ion batteries.Type: GrantFiled: October 23, 2000Date of Patent: July 9, 2002Assignee: E-One Moli Energy (Canada) LimitedInventors: Jan Naess Reimers, Akiyoshi Manabe, Alexander Man-Chung Leung
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Patent number: 6146694Abstract: An improved design and manufacturing method is disclosed for calendered, double side segment coated webs. By staggering the leading edges and/or the trailing edges of the segment coatings on one side of the web from those on the other side, web damage, including the incidence of breakage, can be reduced. Further, vibration and wear on the calendering apparatus can be reduced. The invention is particularly useful for heavily calendered webs such as the electrodes in non-aqueous rechargeable lithium ion batteries.Type: GrantFiled: July 15, 1998Date of Patent: November 14, 2000Assignee: E-One Moli Energy (Canada) LimitedInventors: Jan Naess Reimers, Akiyoshi Manabe, Alexander Man-Chung Leung
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Patent number: 5760160Abstract: An aromatic polycarbonate resin granule formed of an aggregate of fine powder particles, the granule having a specific surface area of 0.05 to 2.0 m.sup.2 /g, a bulk density of 0.3 to 0.8 g/ml, and an average particle diameter of 0.2 to 5 mm. At least 90% of the fine powder particles forming the granule have a particle diameter of 50 .mu.m or less, and the content of a halogenated hydrocarbon as an organic solvent in the granule is 50 ppm or less in terms of a halogen amount. The polycarbonate granule is obtained by preparing a slurry or wet paste containing a polycarbonate, in which the amount of an organic solvent based on the total amount of the polycarbonate and the organic solvent is 10 to 65% by weight, and the amount of water based on the polycarbonate is at least 5% by weight. The above slurry or wet paste is subjected to a pulverization step to form the fine powder particles in which at least 90% have a particle diameter of 50 .mu.m or less.Type: GrantFiled: March 7, 1997Date of Patent: June 2, 1998Assignee: Teijin Chemicals Ltd.Inventors: Hideki Isshiki, Akiyoshi Manabe, Katsuhiro Kutsuna
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Patent number: 5663277Abstract: An aromatic polycarbonate resin granule formed of an aggregate of fine powder particles, the granule having a specific surface area of 0.05 to 2.0 m.sup.2 /g, a bulk density of 0.3 to 0.8 g/ml, and an average particle diameter of 0.2 to 5 mm. At least 90% of the fine powder particles forming the granule have a particle diameter of 50 .mu.m or less, and the content of a halogenated hydrocarbon as an organic solvent in the granule is 50 ppm or less in terms of a halogen amount. The polycarbonate granule is obtained by preparing a slurry or wet paste containing a polycarbonate, in which the amount of an organic solvent based on the total amount of the polycarbonate and the organic solvent is 10 to 65% by weight, and the amount of water based on the polycarbonate is at least 5% by weight. The above slurry or wet paste is subjected to a pulverization step to form the fine powder particles in which at least 90% have a particle diameter of 50 .mu.m or less.Type: GrantFiled: June 23, 1995Date of Patent: September 2, 1997Assignee: Teijin Chemicals, Ltd.Inventors: Hideki Isshiki, Akiyoshi Manabe, Toshinori Kitachi, Yoshifumi Ikemura, Katsuhiro Kutsuna, Tatsumi Horie
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Patent number: 5319065Abstract: There is provided a process for producing a polycarbonate resin containing less amounts of a terminal OH group and a residual monomer and having excellent heat resistance efficiently with a simple equipment. Said process comprises emulsifying an oligomer-containing reaction mixture obtained by the reaction of an alkaline aqueous solution of an aromatic dihydroxy compound with phosgene in the presence of an organic solvent, after adding a molecular weight modifier thereto, and performing polymerization while the reaction mixture is allowed to stand still in the emulsified state.Type: GrantFiled: April 19, 1993Date of Patent: June 7, 1994Assignee: Teijin Chemicals, Ltd.Inventors: Shinji Kikumoto, Hiroki Okuyama, Akiyoshi Manabe, Hidekazu Ito