Patents by Inventor Toshiki Goto
Toshiki Goto 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: 9682862Abstract: An aggregate of carbon-based fine structures in which a plurality of carbon-based fine structures are collected, wherein respective carbon-based fine structures are oriented in the same direction. The above aggregate of carbon-based fine structures is an aggregate of a plurality of carbon-based fine structures in a state they are pulled by one another with strong interaction, and has such a length that allows the improvement of the handeability and workability thereof.Type: GrantFiled: May 31, 2013Date of Patent: June 20, 2017Assignee: Taiyo Nippon Sanso CorporationInventors: Yoshikazu Nakayama, Toshikazu Nosaka, Osamu Suekane, Takeshi Nagasaka, Toshiki Goto, Hiroyuki Tsuchiya, Keisuke Shiono
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Publication number: 20130266764Abstract: An aggregate of carbon-based fine structures in which a plurality of carbon-based fine structures are collected, wherein respective carbon-based fine structures are oriented in the same direction. The above aggregate of carbon-based fine structures is an aggregate of a plurality of carbon-based fine structures in a state they are pulled by one another with strong interaction, and has such a length that allows the improvement of the handeability and workability thereof.Type: ApplicationFiled: May 31, 2013Publication date: October 10, 2013Applicants: OTSUKA CHEMICAL CO., LTD., TAIYO NIPPON SANSO CORPORATIONInventors: Yoshikazu NAKAYAMA, Toshikazu NOSAKA, Osamu SUEKANE, Takeshi NAGASAKA, Toshiki GOTO, Hiroyuki TSUCHIYA, Keisuke SHIONO
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Patent number: 8505478Abstract: Developed is high-efficiency synthesis method and apparatus capable of promoting the initial growth of carbon nanostructure by eliminating the initial fluctuation time and rising time in raw gas flow quantity.-A high-efficiency synthesis method of carbon nanostructure according to the present invention is a high-efficiency synthesis method of carbon nanostructure, the method comprising: bringing raw material gas and a catalyst into contact with each other under reactive conditions so as to produce a carbon nanostructure, wherein: the initiation of contact of the raw material gas with the catalyst is carried out instantaneously. Reaction conditions such as temperature and raw material gas concentration are set so as to meet those for catalyst growth, and under the reaction conditions, the initiation of contact of raw material gas G with catalyst 6 is carried out instantaneously.Type: GrantFiled: August 4, 2010Date of Patent: August 13, 2013Assignee: Taiyo Nippon Sanso CorporationInventors: Osamu Suekane, Toshikazu Nosaka, Yoshikazu Nakayama, Lujun Pan, Takeshi Nagasaka, Toru Sakai, Hiroyuki Tsuchiya, Toshiki Goto, Xu Li
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Patent number: 8481158Abstract: An aggregate of carbon-based fine structures in which a plurality of carbon-based fine structures are collected, wherein respective carbon-based fine structures are oriented in the same direction. The above aggregate of carbon-based fine structures is an aggregate of a plurality of carbon-based fine structures in a state they are pulled by one another with strong interaction, and has such a length that allows the improvement of the handleability and workability thereof.Type: GrantFiled: April 19, 2005Date of Patent: July 9, 2013Assignees: Technology Research Institute of Osaka Prefecture, Taiyo Nippon Sanso Corporation, Otsuka Chemical Co., Ltd., Nissin Electric Co., Ltd., Public University Corporation, Osaka Prefecture UniversityInventors: Yoshikazu Nakayama, Toshikazu Nosaka, Osamu Suekane, Takeshi Nagasaka, Toshiki Goto, Hiroyuki Tsuchiya, Keisuke Shiono
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Publication number: 20110038785Abstract: To efficiently and easily manufacture carbon nanotubes oriented in one direction. A method for manufacturing carbon nanotubes is characterized by including the steps of: bringing crystalline metal oxide particles into contact with a solution containing metal ions serving as a catalyst for forming carbon nanotubes, thereby attaching the catalyst to the surfaces of the metal oxide particles; subjecting the surfaces of the metal oxide particles to which the catalyst is attached to a CVD method or a combustion method, thereby forming carbon nanotubes on the surface of each of the metal oxide particles and resulting in producing metal oxide particles each supporting carbon nanotubes grown substantially perpendicularly to the surface of the metal oxide particle and in parallel with each other; and removing metal oxide particles from the metal oxide particles supporting carbon nanotubes.Type: ApplicationFiled: March 16, 2009Publication date: February 17, 2011Applicant: OTSUKA CHEMICAL CO., LTD.Inventors: Toshiki Goto, Masato Tani
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Method and apparatus for high-efficiency synthesis of carbon nanostructure, and carbon nanostructure
Publication number: 20100303675Abstract: Developed is high-efficiency synthesis method and apparatus capable of promoting the initial growth of carbon nanostructure by eliminating the initial fluctuation time and rising time in raw gas flow quantity. A high-efficiency synthesis method of carbon nanostructure according to the present invention is a high-efficiency synthesis method of carbon nanostructure, the method comprising: bringing raw material gas and a catalyst into contact with each other under reactive conditions so as to produce a carbon nanostructure, wherein: the initiation of contact of the raw material gas with the catalyst is carried out instantaneously. Reaction conditions such as temperature and raw material gas concentration are set so as to meet those for catalyst growth, and under the reaction conditions, the initiation of contact of raw material gas G with catalyst 6 is carried out instantaneously.Type: ApplicationFiled: August 4, 2010Publication date: December 2, 2010Inventors: Osamu Suekane, Toshikazu Nosaka, Yoshikazu Nakayama, Lujun Pan, Takeshi Nagasaka, Toru Sakai, Hiroyuki Tsuchiya, Toshiki Goto, Xu Li -
Patent number: 7829494Abstract: A method for synthesizing carbon nanocoils with high efficiency, by determining the structure of carbon nuclei that have been attached to the ends of carbon nanocoils and thus specifying a true catalyst for synthesizing carbon nanocoils is implemented. The catalyst for synthesizing carbon nanocoils according to the present invention is a carbide catalyst that contains at least elements (a transition metal element, In, C) or (a transition metal element, Sn, C), and in particular, it is preferable for the transition metal element to be Fe, Co or Ni. In addition to this carbide catalyst, a metal catalyst of (Fe, Al, Sn) and (Fe, Cr, Sn) are effective. From among these, catalysts such as Fe3InC0.5, Fe3InC0.5Snw and Fe3SnC are particularly preferable. The wire diameter and the coil diameter can be controlled by using a catalyst where any of these catalysts is carried by a porous carrier.Type: GrantFiled: May 28, 2004Date of Patent: November 9, 2010Assignees: Japan Science and Technology Agency, Public University Corporation, Osaka Prefecture University, Otsuka Chemical Co., Ltd., Nissin Electric Co., Ltd.Inventors: Yoshikazu Nakayama, Lujun Pan, Toshikazu Nosaka, Osamu Suekane, Nobuharu Okazaki, Takeshi Nagasaka, Toshiki Goto, Hiroyuki Tsuchiya, Takashi Okawa, Keisuke Shiono
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Patent number: 7790228Abstract: Developed is high-efficiency synthesis method and apparatus capable of promoting the initial growth of carbon nanostructure by eliminating the initial fluctuation time and rising time in raw gas flow quantity. A high-efficiency synthesis method of carbon nanostructure according to the present invention is a high-efficiency synthesis method of carbon nanostructure, the method comprising: bringing raw material gas and a catalyst into contact with each other under reactive conditions so as to produce a carbon nanostructure, wherein: the initiation of contact of the raw material gas with the catalyst is carried out instantaneously. Reaction conditions such as temperature and raw material gas concentration are set so as to meet those for catalyst growth, and under the reaction conditions, the initiation of contact of raw material gas G with catalyst 6 is carried out instantaneously.Type: GrantFiled: March 23, 2004Date of Patent: September 7, 2010Assignees: Japan Science and Technology Agency, Osaka Prefecture, Taiyo Nippon Sanso Corporation, Nissin Electric Co., Ltd., Otsuka Chemical Co., Ltd.Inventors: Osamu Suekane, Toshikazu Nosaka, Yoshikazu Nakayama, Lujun Pan, Takeshi Nagasaka, Toru Sakai, Hiroyuki Tsuchiya, Toshiki Goto, Xu Li
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Patent number: 7651668Abstract: A material gas and a catalyst are introduced through a material supplying tube path and a catalyst supplying tube path together with a carrier gas into a reactor equipped on its outer periphery with a heat applicator for thermally decomposing the material gas. The reactor has a convention regulator fitted to the discharge end of the catalyst supplying tube path. The convection regulator covers an edge side of the reactor to regulate gas flow in the reactor so that the flow does not reach the edge side. Due to this, a convection state can be efficiently produced in a reaction region. Consequently, it becomes possible to prevent contamination defect caused by accumulation/adherence of concretion of catalyst, which was generated by aggregation of cooled catalyst in the low-temperature region of the reactor and a decomposition product of the material gas. Thus the efficiency of carbon nanostructure production can be improved.Type: GrantFiled: September 21, 2005Date of Patent: January 26, 2010Assignees: Japan Science and Technology Agency, Public University Corporation Osaka Prefecture University, Taiyo Nippon Sanso Corporation, Otsuka Chemical Co., Ltd., Nissin Electric Co., Ltd.Inventors: Yoshikazu Nakayama, Hiroyuki Tsuchiya, Yugo Higashi, Toshiki Goto, Keisuke Shiono, Takeshi Nagasaka, Nobuharu Okazaki
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Publication number: 20100004372Abstract: The invention provides novel metal oxide particles on which carbon nanotubes are supported. Needle- or flake-like crystalline metal oxide particles characterized in that carbon nanotubes grown parallel to each other in the direction nearly perpendicular to the surface of each particle are supported on the surfaces of the particles and that the carbon nanotubes supported on the particles are 1 to 500 ?m in length in the direction nearly perpendicular to the surface of each particle.Type: ApplicationFiled: September 20, 2007Publication date: January 7, 2010Inventors: Toshiki Goto, Masato Tani
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Publication number: 20090191352Abstract: The present invention provides a combustion-based method and apparatus for producing and isolating carbon nanotubes. The nanotubes are formed when hot combustion gases are contacted with a catalytic surface, which is readily separated from the catalyst support and subsequently dissolved. The process is suitable for large-scale manufacture of carbon nanotubes.Type: ApplicationFiled: January 24, 2008Publication date: July 30, 2009Inventors: Douglas P. DuFaux, Randy Vander Wal, Masato Tani, Toshiki Goto
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Publication number: 20090022651Abstract: Carbon nanotubes are more efficiently produced with a simpler apparatus. The process, which is for producing carbon nanotubes by the combustion method, is characterized by comprising: a step in which a catalyst-supporting powder comprising a base powder and a catalyst supported on the surface thereof is prepared; a step in which the catalyst-supporting powder is deposited on a porous support (2) having through-holes through which a flame passes, so that the powder particles are held in the through-holes without tenaciously adhering to one another; a step in which the porous support (2) having the catalyst-supporting powder held thereon is disposed in a combustion oven (1) in which one end (1b) is open; and a step in which a carbon-containing flame is generated in a burner part (3) disposed at the other end (1a) of the combustion oven (1) and the flame is fed to the through-holes of the porous support (2) to produce carbon nanotubes on the surface of the catalyst-supporting powder present in the through-holes.Type: ApplicationFiled: January 31, 2007Publication date: January 22, 2009Inventors: Masato Tani, Toshiki Goto
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Publication number: 20080213138Abstract: A material gas and a catalyst are introduced through a material supplying tube path and a catalyst supplying tube path together with a carrier gas into a reactor equipped on its outer periphery with a heat applicator for thermally decomposing the material gas. The reactor has a convention regulator fitted to the discharge end of the catalyst supplying tube path. The convection regulator covers an edge side of the reactor to regulate gas flow in the reactor so that the flow does not reach the edge side. Due to this, a convection state can be efficiently produced in a reaction region. Consequently, it becomes possible to prevent contamination defect caused by accumulation/adherence of concretion of catalyst, which was generated by aggregation of cooled catalyst in the low-temperature region of the reactor and a decomposition product of the material gas. Thus the efficiency of carbon nanostructure production can be improved.Type: ApplicationFiled: September 21, 2005Publication date: September 4, 2008Inventors: Yoshikazu Nakayama, Hiroyuki Tsuchiya, Yugo Higashi, Toshiki Goto, Keisuke Shiono, Takeshi Nagasaka, Nobuharu Okazaki
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Publication number: 20080160311Abstract: Disclosed is a carbon nanotube-loaded inorganic particle which exhibits excellent reinforcing performance when blended in resins or the like. Specifically disclosed is a carbon nanotube-loaded inorganic particle characterized in that the surface of an inorganic particle is loaded with carbon nanotubes. This carbon nanotube-loaded inorganic particle can be produced by loading the surface of a fiber-like or plate-like inorganic particle of potassium titanate or wollastonite with fine particles of an iron catalyst and growing carbon nanotubes on the surface of the inorganic particle by a polystyrene method or the like.Type: ApplicationFiled: February 1, 2006Publication date: July 3, 2008Inventors: Masato Tani, Hiroyoshi Tosa, Toshiki Goto
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Publication number: 20080095694Abstract: An aggregate of carbon-based fine structures in which a plurality of carbon-based fine structures are collected, wherein respective carbon-based fine structures are oriented in the same direction. The above aggregate of carbon-based fine structures is an aggregate of a plurality of carbon-based fine structures in a state they are pulled by one another with strong interaction, and has such a length that allows the improvement of the handleability and workability thereof.Type: ApplicationFiled: April 19, 2005Publication date: April 24, 2008Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Yoshikazu Nakayama, Toshikazu Nosaka, Osamu Suekane, Takeshi Nagasaka, Toshiki Goto, Hiroyuki Tsuchiya, Keisuke Shiono
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Publication number: 20080063589Abstract: The subject invention provides a stable mass production method of carbon nano structure at low cost immune to variation of particle diameter of the catalyst microparticle in the catalyst material. The subject invention also provides a production device used for the method, and a new carbon nano structure having a conformation suitable for the mass production. The production method of carbon nano structure comprising fluidizing a material gas and catalyst microparticles in the reactor so that the material gas and the catalyst microparticles are brought into contact with each other, wherein said catalyst microparticles are suspended by the instantaneous spraying of the high-pressure gas, and then the suspension effect of the catalyst microparticles is stopped so that the catalyst microparticles naturally fall. The particle diameter of the catalyst microparticles is thus selected. With this arrangement, only the selected catalyst microparticles with the desired diameter are supplied to the reactor.Type: ApplicationFiled: July 13, 2005Publication date: March 13, 2008Applicants: JAPAN SCIENCE AND TECHNOLOGY AGENCY, PUBLIC UNIVERSITY CORPORATION OSAKA PREFECTURE UNIVERSITY, TAIYO NIPPON SANSO CORPORATION, OTSUKA CHEMICAL CO., LTD., NISSIN ELECTRIC CO., LTD.Inventors: Yoshikazu Nakayama, Takeshi Nagasaka, Toru Sakai, Toshiki Goto, Hiroyuki Tsuchiya, Keisuke Shiono, Nobuharu Okazaki
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Publication number: 20070098622Abstract: A method for synthesizing carbon nanocoils with high efficiency, by determining the structure of carbon nuclei that have been attached to the ends of carbon nanocoils and thus specifying a true catalyst for synthesizing carbon nanocoils is implemented. The catalyst for synthesizing carbon nanocoils according to the present invention is a carbide catalyst that contains at least elements (a transition metal element, In, C) or (a transition metal element, Sn, C), and in particular, it is preferable for the transition metal element to be Fe, Co or Ni. In addition to this carbide catalyst, a metal catalyst of (Fe, Al, Sn) and (Fe, Cr, Sn) are effective. From among these, catalysts such as Fe3InC0.5, Fe3InC0.5Snw and Fe3SnC are particularly preferable. The wire diameter and the coil diameter can be controlled by using a catalyst where any of these catalysts is carried by a porous carrier.Type: ApplicationFiled: May 28, 2004Publication date: May 3, 2007Applicants: Japan Science and Technology Agency, Public University Corporation, Osaka Prefecture University, Taiyo Nippon Sanso Corporation, Otsuka Chemical Co., Ltd., Nissin Electric Co., Ltd.Inventors: Yoshikazu Nakayama, Lujun Pan, Toshikazu Nosaka, Osamu Suekane, Nobuharu Okazaki, Takeshi Nagasaka, Toshiki Goto, Hiroyuki Tsuchiya, Takashi Okawa, Keisuke Shiono
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Method and apparatus for high-efficiency synthesis of carbon nanostructure, and carbon nanostructure
Publication number: 20070037370Abstract: Developed is high-efficiency synthesis method and apparatus capable of promoting the initial growth of carbon nanostructure by eliminating the initial fluctuation time and rising time in raw gas flow quantity. A high-efficiency synthesis method of carbon nanostructure according to the present invention is a high-efficiency synthesis method of carbon nanostructure, the method comprising: bringing raw material gas and a catalyst into contact with each other under reactive conditions so as to produce a carbon nanostructure, wherein: the initiation of contact of the raw material gas with the catalyst is carried out instantaneously. Reaction conditions such as temperature and raw material gas concentration are set so as to meet those for catalyst growth, and under the reaction conditions, the initiation of contact of raw material gas G with catalyst 6 is carried out instantaneously.Type: ApplicationFiled: March 23, 2004Publication date: February 15, 2007Inventors: Osamu Suekane, Toshikazu Nosaka, Yoshikazu Nakayama, Lujun Pan, Takeshi Nagasaka, Toru Sakai, Hiroyuki Tsuchiya, Toshiki Goto, Xu Li -
Patent number: 5139856Abstract: A plated ceramic or glass substrate having a plated surface, wherein an undercoat is formed between the surface of the substrate and the plating film. The undercoat includes nitrogen and at least one of chromium and titanium as major components thereof.Type: GrantFiled: December 20, 1989Date of Patent: August 18, 1992Assignee: NGK Insulators, Ltd.Inventors: Yukihisa Takeuchi, Azuma Yamamoto, Susumu Hama, Toshiki Goto
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Patent number: 4914260Abstract: A ceramic multi-layer printed circuit board is manufactured by forming a wiring pattern layer on a ceramic substrate through copper plating and forming an insulating layer thereon and then repeating the steps for forming both layers.Type: GrantFiled: March 30, 1989Date of Patent: April 3, 1990Assignee: NGK Insulators, Ltd.Inventors: Go Suzuki, Toshiki Goto